Merge branch 'linked-identities' (and fix OperationHelper ids)

Merge Linked Identities. Also includes an important fix for OperationHelper ids, which had an error in the bit mask logic. Conflicts: Graphics/update-drawables.sh OpenKeychain/build.gradle OpenKeychain/src/main/java/org/sufficientlysecure/keychain/operations/results/OperationResult.java OpenKeychain/src/main/java/org/sufficientlysecure/keychain/provider/KeychainProvider.java OpenKeychain/src/main/java/org/sufficientlysecure/keychain/provider/ProviderHelper.java OpenKeychain/src/main/java/org/sufficientlysecure/keychain/service/CertifyActionsParcel.java OpenKeychain/src/main/java/org/sufficientlysecure/keychain/service/KeychainIntentService.java OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/CreateYubiKeyImportFragment.java OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/KeyListFragment.java OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/ViewKeyActivity.java OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/KeyAdapter.java OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/widget/CertifyKeySpinner.java OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/widget/KeySpinner.java OpenKeychain/src/main/res/anim/fade_in.xml OpenKeychain/src/main/res/anim/fade_out.xml OpenKeychain/src/main/res/layout/decrypt_text_fragment.xml OpenKeychain/src/main/res/layout/encrypt_decrypt_overview_fragment.xml OpenKeychain/src/main/res/layout/view_key_fragment.xml OpenKeychain/src/main/res/menu/key_view.xml OpenKeychain/src/main/res/values/strings.xml OpenKeychain/src/test/java/org/sufficientlysecure/keychain/operations/CertifyOperationTest.java README.md
author: Vincent Breitmoser <valodim@mugenguild.com> 2015-08-29 13:28:56 +0200
committer: Vincent Breitmoser <valodim@mugenguild.com> 2015-08-29 13:28:56 +0200
commit: a6e25e6448ab162b351288ee0c241512e05c3611 (patch)
tree: d7eec4fcd2d98bc9d00e880ab3c103c86a8edbe2
parent: 765ec094c9415fcaddd65b7b743179b2ea7dc098 (diff)
parent: 5b75b542e8d2d467ce9e34bd9df2038d6c88885e (diff)
download: open-keychain-a6e25e6448ab162b351288ee0c241512e05c3611.tar.gz
open-keychain-a6e25e6448ab162b351288ee0c241512e05c3611.tar.bz2
open-keychain-a6e25e6448ab162b351288ee0c241512e05c3611.zip
115 files changed, 6277 insertions, 97 deletions
diff --git a/Graphics/drawables/linked_dns.svg b/Graphics/drawables/linked_dns.svg
new file mode 100644
index 000000000..c04c265c2
--- /dev/null
+++ b/Graphics/drawables/linked_dns.svg
@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg viewBox="0 0 24 24">
+    <path fill="#000000" d="M7,9A2,2 0 0,1 5,7A2,2 0 0,1 7,5A2,2 0 0,1 9,7A2,2 0 0,1 7,9M20,3H4A1,1 0 0,0 3,4V10A1,1 0 0,0 4,11H20A1,1 0 0,0 21,10V4A1,1 0 0,0 20,3M7,19A2,2 0 0,1 5,17A2,2 0 0,1 7,15A2,2 0 0,1 9,17A2,2 0 0,1 7,19M20,13H4A1,1 0 0,0 3,14V20A1,1 0 0,0 4,21H20A1,1 0 0,0 21,20V14A1,1 0 0,0 20,13Z" />
+</svg>
diff --git a/Graphics/drawables/linked_github.svg b/Graphics/drawables/linked_github.svg
new file mode 100644
index 000000000..11f4076d5
--- /dev/null
+++ b/Graphics/drawables/linked_github.svg
@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<svg viewBox="0 0 24 24">
+    <path fill="#000000" d="M12,2A10,10 0 0,0 2,12C2,16.42 4.87,20.17 8.84,21.5C9.34,21.58 9.5,21.27 9.5,21C9.5,20.77 9.5,20.14 9.5,19.31C6.73,19.91 6.14,17.97 6.14,17.97C5.68,16.81 5.03,16.5 5.03,16.5C4.12,15.88 5.1,15.9 5.1,15.9C6.1,15.97 6.63,16.93 6.63,16.93C7.5,18.45 8.97,18 9.54,17.76C9.63,17.11 9.89,16.67 10.17,16.42C7.95,16.17 5.62,15.31 5.62,11.5C5.62,10.39 6,9.5 6.65,8.79C6.55,8.54 6.2,7.5 6.75,6.15C6.75,6.15 7.59,5.88 9.5,7.17C10.29,6.95 11.15,6.84 12,6.84C12.85,6.84 13.71,6.95 14.5,7.17C16.41,5.88 17.25,6.15 17.25,6.15C17.8,7.5 17.45,8.54 17.35,8.79C18,9.5 18.38,10.39 18.38,11.5C18.38,15.32 16.04,16.16 13.81,16.41C14.17,16.72 14.5,17.33 14.5,18.26C14.5,19.6 14.5,20.68 14.5,21C14.5,21.27 14.66,21.59 15.17,21.5C19.14,20.16 22,16.42 22,12A10,10 0 0,0 12,2Z" />
+</svg>
diff --git a/Graphics/drawables/linked_https.svg b/Graphics/drawables/linked_https.svg
new file mode 100644
index 000000000..876f46276
--- /dev/null
+++ b/Graphics/drawables/linked_https.svg
@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg viewBox="0 0 24 24">
+    <path fill="#000000" d="M16.36,14C16.44,13.34 16.5,12.68 16.5,12C16.5,11.32 16.44,10.66 16.36,10H19.74C19.9,10.64 20,11.31 20,12C20,12.69 19.9,13.36 19.74,14M14.59,19.56C15.19,18.45 15.65,17.25 15.97,16H18.92C17.96,17.65 16.43,18.93 14.59,19.56M14.34,14H9.66C9.56,13.34 9.5,12.68 9.5,12C9.5,11.32 9.56,10.65 9.66,10H14.34C14.43,10.65 14.5,11.32 14.5,12C14.5,12.68 14.43,13.34 14.34,14M12,19.96C11.17,18.76 10.5,17.43 10.09,16H13.91C13.5,17.43 12.83,18.76 12,19.96M8,8H5.08C6.03,6.34 7.57,5.06 9.4,4.44C8.8,5.55 8.35,6.75 8,8M5.08,16H8C8.35,17.25 8.8,18.45 9.4,19.56C7.57,18.93 6.03,17.65 5.08,16M4.26,14C4.1,13.36 4,12.69 4,12C4,11.31 4.1,10.64 4.26,10H7.64C7.56,10.66 7.5,11.32 7.5,12C7.5,12.68 7.56,13.34 7.64,14M12,4.03C12.83,5.23 13.5,6.57 13.91,8H10.09C10.5,6.57 11.17,5.23 12,4.03M18.92,8H15.97C15.65,6.75 15.19,5.55 14.59,4.44C16.43,5.07 17.96,6.34 18.92,8M12,2C6.47,2 2,6.5 2,12A10,10 0 0,0 12,22A10,10 0 0,0 22,12A10,10 0 0,0 12,2Z" />
+</svg>
diff --git a/Graphics/drawables/linked_twitter.svg b/Graphics/drawables/linked_twitter.svg
new file mode 100644
index 000000000..38028f2e9
--- /dev/null
+++ b/Graphics/drawables/linked_twitter.svg
@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg viewBox="0 0 24 24">
+    <path fill="#000000" d="M22.46,6C21.69,6.35 20.86,6.58 20,6.69C20.88,6.16 21.56,5.32 21.88,4.31C21.05,4.81 20.13,5.16 19.16,5.36C18.37,4.5 17.26,4 16,4C13.65,4 11.73,5.92 11.73,8.29C11.73,8.63 11.77,8.96 11.84,9.27C8.28,9.09 5.11,7.38 3,4.79C2.63,5.42 2.42,6.16 2.42,6.94C2.42,8.43 3.17,9.75 4.33,10.5C3.62,10.5 2.96,10.3 2.38,10C2.38,10 2.38,10 2.38,10.03C2.38,12.11 3.86,13.85 5.82,14.24C5.46,14.34 5.08,14.39 4.69,14.39C4.42,14.39 4.15,14.36 3.89,14.31C4.43,16 6,17.26 7.89,17.29C6.43,18.45 4.58,19.13 2.56,19.13C2.22,19.13 1.88,19.11 1.54,19.07C3.44,20.29 5.7,21 8.12,21C16,21 20.33,14.46 20.33,8.79C20.33,8.6 20.33,8.42 20.32,8.23C21.16,7.63 21.88,6.87 22.46,6Z" />
+</svg>
diff --git a/Graphics/drawables/status_signature_verified_inner.svg b/Graphics/drawables/status_signature_verified_inner.svg
new file mode 100644
index 000000000..554df0643
--- /dev/null
+++ b/Graphics/drawables/status_signature_verified_inner.svg
@@ -0,0 +1,77 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns:sketch="http://www.bohemiancoding.com/sketch/ns"
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   width="100px"
+   height="100px"
+   viewBox="0 0 100 100"
+   version="1.1"
+   id="svg2"
+   inkscape:version="0.48.5 r10040"
+   sodipodi:docname="status_signature_verified_cutout.svg">
+  <metadata
+     id="metadata16">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+        <dc:title>signature-verified-cutout</dc:title>
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <sodipodi:namedview
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1"
+     objecttolerance="10"
+     gridtolerance="10"
+     guidetolerance="10"
+     inkscape:pageopacity="0"
+     inkscape:pageshadow="2"
+     inkscape:window-width="1280"
+     inkscape:window-height="784"
+     id="namedview14"
+     showgrid="false"
+     inkscape:zoom="2.36"
+     inkscape:cx="50"
+     inkscape:cy="50"
+     inkscape:window-x="0"
+     inkscape:window-y="16"
+     inkscape:window-maximized="0"
+     inkscape:current-layer="signature-verified-cutout" />
+  <!-- Generator: Sketch 3.0.4 (8053) - http://www.bohemiancoding.com/sketch -->
+  <title
+     id="title4">signature-verified-cutout</title>
+  <desc
+     id="desc6">Created with Sketch.</desc>
+  <defs
+     id="defs8" />
+  <g
+     id="Page-1"
+     sketch:type="MSPage"
+     stroke-width="1"
+     stroke="none"
+     fill-rule="evenodd"
+     fill="none">
+    <g
+       id="signature-verified-cutout"
+       sketch:type="MSArtboardGroup"
+       transform="translate(0.110156, 0.000000)"
+       fill="#000000">
+      <path
+         d="M 46.273291,77.5085 20,57.830916 27.91844,47.63497 43.309686,59.515226 70.31112,23 80.867825,30.778219 z"
+         sketch:type="MSShapeGroup"
+         id="path12"
+         inkscape:connector-curvature="0"
+         sodipodi:nodetypes="ccccccc" />
+    </g>
+  </g>
+</svg>
diff --git a/Graphics/update-drawables.sh b/Graphics/update-drawables.sh
index 5acfba19a..fd70ff8c2 100755
--- a/Graphics/update-drawables.sh
+++ b/Graphics/update-drawables.sh
@@ -22,7 +22,7 @@ SRC_DIR=./drawables/
 #inkscape -w 512 -h 512 -e "$PLAY_DIR/$NAME.png" $NAME.svg
 
 
-for NAME in "ic_cloud_search" "ic_action_encrypt_file" "ic_action_encrypt_text" "ic_action_verified_cutout" "ic_action_encrypt_copy" "ic_action_encrypt_save" "ic_action_encrypt_share" "status_lock_closed" "status_lock_error" "status_lock_open" "status_signature_expired_cutout" "status_signature_invalid_cutout" "status_signature_revoked_cutout" "status_signature_unknown_cutout" "status_signature_unverified_cutout" "status_signature_verified_cutout" "key_flag_authenticate" "key_flag_certify" "key_flag_encrypt" "key_flag_sign" "yubi_icon" "ic_stat_notify"
+for NAME in "ic_cloud_search" "ic_action_encrypt_file" "ic_action_encrypt_text" "ic_action_verified_cutout" "ic_action_encrypt_copy" "ic_action_encrypt_save" "ic_action_encrypt_share" "status_lock_closed" "status_lock_error" "status_lock_open" "status_signature_expired_cutout" "status_signature_invalid_cutout" "status_signature_revoked_cutout" "status_signature_unknown_cutout" "status_signature_unverified_cutout" "status_signature_verified_cutout" "key_flag_authenticate" "key_flag_certify" "key_flag_encrypt" "key_flag_sign" "yubi_icon" "ic_stat_notify" "status_signature_verified_inner"
 do
 echo $NAME
 inkscape -w 24 -h 24 -e "$MDPI_DIR/${NAME}_24dp.png" "$SRC_DIR/$NAME.svg"
@@ -32,7 +32,7 @@ inkscape -w 72 -h 72 -e "$XXDPI_DIR/${NAME}_24dp.png" "$SRC_DIR/$NAME.svg"
 inkscape -w 96 -h 96 -e "$XXXDPI_DIR/${NAME}_24dp.png" "$SRC_DIR/$NAME.svg"
 done
 
-for NAME in "status_signature_expired_cutout" "status_signature_invalid_cutout" "status_signature_revoked_cutout" "status_signature_unknown_cutout" "status_signature_unverified_cutout" "status_signature_verified_cutout"
+for NAME in "status_signature_expired_cutout" "status_signature_invalid_cutout" "status_signature_revoked_cutout" "status_signature_unknown_cutout" "status_signature_unverified_cutout" "status_signature_verified_cutout" "status_signature_verified_inner"
 do
 echo $NAME
 inkscape -w 96 -h 96 -e "$MDPI_DIR/${NAME}_96dp.png" "$SRC_DIR/$NAME.svg"
@@ -41,7 +41,7 @@ inkscape -w 192 -h 192 -e "$XDPI_DIR/${NAME}_96dp.png" "$SRC_DIR/$NAME.svg"
 inkscape -w 256 -h 256 -e "$XXDPI_DIR/${NAME}_96dp.png" "$SRC_DIR/$NAME.svg"
 done
 
-for NAME in "create_key_robot"
+for NAME in "create_key_robot" "linked_dns" "linked_https" "linked_github" "linked_twitter"
 do
 echo $NAME
 inkscape -w 48 -h 48 -e "$MDPI_DIR/$NAME.png" "$SRC_DIR/$NAME.svg"
diff --git a/OpenKeychain-Test/src/test/java/org/sufficientlysecure/keychain/util/KeyFormattingUtilsTest.java b/OpenKeychain-Test/src/test/java/org/sufficientlysecure/keychain/util/KeyFormattingUtilsTest.java
new file mode 100644
index 000000000..6aa4e7b8e
--- /dev/null
+++ b/OpenKeychain-Test/src/test/java/org/sufficientlysecure/keychain/util/KeyFormattingUtilsTest.java
@@ -0,0 +1,44 @@
+package org.sufficientlysecure.keychain.util;
+
+
+import org.junit.Assert;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.robolectric.RobolectricTestRunner;
+import org.sufficientlysecure.keychain.ui.util.KeyFormattingUtils;
+
+
+@RunWith(RobolectricTestRunner.class)
+@org.robolectric.annotation.Config(emulateSdk = 18) // Robolectric doesn't yet support 19
+public class KeyFormattingUtilsTest {
+
+    static final byte[] fp = new byte[] {
+        (byte) 0xD4, (byte) 0xAB, (byte) 0x19, (byte) 0x29, (byte) 0x64,
+        (byte) 0xF7, (byte) 0x6A, (byte) 0x7F, (byte) 0x8F, (byte) 0x8A,
+        (byte) 0x9B, (byte) 0x35, (byte) 0x7B, (byte) 0xD1, (byte) 0x83,
+        (byte) 0x20, (byte) 0xDE, (byte) 0xAD, (byte) 0xFA, (byte) 0x11
+    };
+    static final long keyId = 0x7bd18320deadfa11L;
+
+    @Test
+    public void testStuff() {
+        Assert.assertEquals(KeyFormattingUtils.convertFingerprintToKeyId(fp), keyId);
+
+        Assert.assertEquals(
+            "d4ab192964f76a7f8f8a9b357bd18320deadfa11",
+            KeyFormattingUtils.convertFingerprintToHex(fp)
+        );
+
+        Assert.assertEquals(
+            "0x7bd18320deadfa11",
+            KeyFormattingUtils.convertKeyIdToHex(keyId)
+        );
+
+        Assert.assertEquals(
+                "0xdeadfa11",
+                KeyFormattingUtils.convertKeyIdToHexShort(keyId)
+        );
+
+    }
+
+}
diff --git a/OpenKeychain/build.gradle b/OpenKeychain/build.gradle
index 2ca1d752a..7c68ae062 100644
--- a/OpenKeychain/build.gradle
+++ b/OpenKeychain/build.gradle
@@ -46,7 +46,8 @@ dependencies {
     compile 'com.jpardogo.materialtabstrip:library:1.0.9'
     compile 'com.getbase:floatingactionbutton:1.9.0'
     compile 'org.commonjava.googlecode.markdown4j:markdown4j:2.2-cj-1.0'
-    compile 'com.splitwise:tokenautocomplete:1.3.3@aar'
+    compile 'org.ocpsoft.prettytime:prettytime:3.2.7.Final'
+    compile "com.splitwise:tokenautocomplete:1.3.3@aar"
     compile 'se.emilsjolander:stickylistheaders:2.6.0'
     compile 'org.sufficientlysecure:html-textview:1.2'
     compile 'com.mikepenz:materialdrawer:3.0.9@aar'
@@ -56,6 +57,7 @@ dependencies {
     compile 'com.mikepenz.iconics:community-material-typeface:1.0.0@aar'
     compile 'com.nispok:snackbar:2.11.0'
     compile 'com.squareup.okhttp:okhttp:2.4.0'
+    compile 'org.thoughtcrime.ssl.pinning:AndroidPinning:1.0.0'
 
     // libs as submodules
     compile project(':extern:openpgp-api-lib:openpgp-api')
@@ -206,6 +208,7 @@ android {
     // Disable preDexing, causes com.android.dx.cf.iface.ParseException: bad class file magic (cafebabe) or version (0034.0000) on some systems
     dexOptions {
         preDexLibraries = false
+        javaMaxHeapSize "2g"
     }
 
     packagingOptions {
diff --git a/OpenKeychain/src/main/AndroidManifest.xml b/OpenKeychain/src/main/AndroidManifest.xml
index f8708722a..00c861ccc 100644
--- a/OpenKeychain/src/main/AndroidManifest.xml
+++ b/OpenKeychain/src/main/AndroidManifest.xml
@@ -111,6 +111,10 @@
             android:label="@string/title_edit_key" />
         <!-- NOTE: Dont use configChanges for QR Code view! We use a different layout for landscape -->
         <activity
+            android:name=".ui.linked.LinkedIdWizard"
+            android:configChanges="orientation|screenSize|keyboardHidden|keyboard"
+            android:label="@string/title_linked_create" />
+        <activity
             android:name=".ui.QrCodeViewActivity"
             android:label="@string/share_qr_code_dialog_title" />
         <activity
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/linked/LinkedAttribute.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/linked/LinkedAttribute.java
new file mode 100644
index 000000000..3b05afbb3
--- /dev/null
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/linked/LinkedAttribute.java
@@ -0,0 +1,32 @@
+package org.sufficientlysecure.keychain.linked;
+
+import java.net.URI;
+
+import android.content.Context;
+import android.support.annotation.DrawableRes;
+
+public class LinkedAttribute extends UriAttribute {
+
+    public final LinkedResource mResource;
+
+    protected LinkedAttribute(URI uri, LinkedResource resource) {
+        super(uri);
+        if (resource == null) {
+            throw new AssertionError("resource must not be null in a LinkedIdentity!");
+        }
+        mResource = resource;
+    }
+
+    public @DrawableRes int getDisplayIcon() {
+        return mResource.getDisplayIcon();
+    }
+
+    public String getDisplayTitle(Context context) {
+        return mResource.getDisplayTitle(context);
+    }
+
+    public String getDisplayComment(Context context) {
+        return mResource.getDisplayComment(context);
+    }
+
+}
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/linked/LinkedResource.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/linked/LinkedResource.java
new file mode 100644
index 000000000..dffeea65e
--- /dev/null
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/linked/LinkedResource.java
@@ -0,0 +1,25 @@
+package org.sufficientlysecure.keychain.linked;
+
+import java.net.URI;
+
+import android.content.Context;
+import android.content.Intent;
+import android.support.annotation.DrawableRes;
+import android.support.annotation.StringRes;
+
+public abstract class LinkedResource {
+
+    public abstract URI toUri();
+
+    public abstract @DrawableRes int getDisplayIcon();
+    public abstract @StringRes int getVerifiedText(boolean isSecret);
+    public abstract String getDisplayTitle(Context context);
+    public abstract String getDisplayComment(Context context);
+    public boolean isViewable() {
+        return false;
+    }
+    public Intent getViewIntent() {
+        return null;
+    }
+
+}
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/linked/LinkedTokenResource.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/linked/LinkedTokenResource.java
new file mode 100644
index 000000000..61e275166
--- /dev/null
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/linked/LinkedTokenResource.java
@@ -0,0 +1,300 @@
+package org.sufficientlysecure.keychain.linked;
+
+import org.apache.http.HttpEntity;
+import org.apache.http.HttpResponse;
+import org.apache.http.client.HttpClient;
+import org.apache.http.client.methods.HttpRequestBase;
+import org.apache.http.impl.client.DefaultHttpClient;
+import org.apache.http.params.BasicHttpParams;
+import org.json.JSONException;
+import org.sufficientlysecure.keychain.Constants;
+import org.sufficientlysecure.keychain.linked.resources.DnsResource;
+import org.sufficientlysecure.keychain.linked.resources.GenericHttpsResource;
+import org.sufficientlysecure.keychain.linked.resources.GithubResource;
+import org.sufficientlysecure.keychain.linked.resources.TwitterResource;
+import org.sufficientlysecure.keychain.operations.results.LinkedVerifyResult;
+import org.sufficientlysecure.keychain.operations.results.OperationResult.LogType;
+import org.sufficientlysecure.keychain.operations.results.OperationResult.OperationLog;
+import org.sufficientlysecure.keychain.ui.util.KeyFormattingUtils;
+import org.sufficientlysecure.keychain.util.Log;
+import org.thoughtcrime.ssl.pinning.util.PinningHelper;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.net.MalformedURLException;
+import java.net.URI;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.Map.Entry;
+import java.util.Set;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+import android.content.Context;
+
+
+public abstract class LinkedTokenResource extends LinkedResource {
+
+    protected final URI mSubUri;
+    protected final Set<String> mFlags;
+    protected final HashMap<String,String> mParams;
+
+    public static Pattern magicPattern =
+            Pattern.compile("\\[Verifying my (?:Open|)?PGP key(?::|) openpgp4fpr:([a-zA-Z0-9]+)]");
+
+    protected LinkedTokenResource(Set<String> flags, HashMap<String, String> params, URI uri) {
+        mFlags = flags;
+        mParams = params;
+        mSubUri = uri;
+    }
+
+    @SuppressWarnings("unused")
+    public URI getSubUri () {
+        return mSubUri;
+    }
+
+    public Set<String> getFlags () {
+        return new HashSet<>(mFlags);
+    }
+
+    public HashMap<String,String> getParams () {
+        return new HashMap<>(mParams);
+    }
+
+    public static String generate (byte[] fingerprint) {
+        return String.format("[Verifying my OpenPGP key: openpgp4fpr:%s]",
+                KeyFormattingUtils.convertFingerprintToHex(fingerprint));
+    }
+
+    protected static LinkedTokenResource fromUri (URI uri) {
+
+        if (!"openpgpid+token".equals(uri.getScheme())
+                && !"openpgpid+cookie".equals(uri.getScheme())) {
+            Log.e(Constants.TAG, "unknown uri scheme in (suspected) linked id packet");
+            return null;
+        }
+
+        if (!uri.isOpaque()) {
+            Log.e(Constants.TAG, "non-opaque uri in (suspected) linked id packet");
+            return null;
+        }
+
+        String specific = uri.getSchemeSpecificPart();
+        if (!specific.contains("@")) {
+            Log.e(Constants.TAG, "unknown uri scheme in linked id packet");
+            return null;
+        }
+
+        String[] pieces = specific.split("@", 2);
+        URI subUri = URI.create(pieces[1]);
+
+        Set<String> flags = new HashSet<>();
+        HashMap<String,String> params = new HashMap<>();
+        if (!pieces[0].isEmpty()) {
+            String[] rawParams = pieces[0].split(";");
+            for (String param : rawParams) {
+                String[] p = param.split("=", 2);
+                if (p.length == 1) {
+                    flags.add(param);
+                } else {
+                    params.put(p[0], p[1]);
+                }
+            }
+        }
+
+        return findResourceType(flags, params, subUri);
+
+    }
+
+    protected static LinkedTokenResource findResourceType (Set<String> flags,
+            HashMap<String,String> params, URI  subUri) {
+
+        LinkedTokenResource res;
+
+        res = GenericHttpsResource.create(flags, params, subUri);
+        if (res != null) {
+            return res;
+        }
+        res = DnsResource.create(flags, params, subUri);
+        if (res != null) {
+            return res;
+        }
+        res = TwitterResource.create(flags, params, subUri);
+        if (res != null) {
+            return res;
+        }
+        res = GithubResource.create(flags, params, subUri);
+        if (res != null) {
+            return res;
+        }
+
+        return null;
+
+    }
+
+    public URI toUri () {
+
+        StringBuilder b = new StringBuilder();
+        b.append("openpgpid+token:");
+
+        // add flags
+        if (mFlags != null) {
+            boolean first = true;
+            for (String flag : mFlags) {
+                if (!first) {
+                    b.append(";");
+                }
+                first = false;
+                b.append(flag);
+            }
+        }
+
+        // add parameters
+        if (mParams != null) {
+            boolean first = true;
+            for (Entry<String, String> stringStringEntry : mParams.entrySet()) {
+                if (!first) {
+                    b.append(";");
+                }
+                first = false;
+                b.append(stringStringEntry.getKey()).append("=").append(stringStringEntry.getValue());
+            }
+        }
+
+        b.append("@");
+        b.append(mSubUri);
+
+        return URI.create(b.toString());
+
+    }
+
+    public LinkedVerifyResult verify(Context context, byte[] fingerprint) {
+
+        OperationLog log = new OperationLog();
+        log.add(LogType.MSG_LV, 0);
+
+        // Try to fetch resource. Logs for itself
+        String res = null;
+        try {
+            res = fetchResource(context, log, 1);
+        } catch (HttpStatusException e) {
+            // log verbose output to logcat
+            Log.e(Constants.TAG, "http error (" + e.getStatus() + "): " + e.getReason());
+            log.add(LogType.MSG_LV_FETCH_ERROR, 2, Integer.toString(e.getStatus()));
+        } catch (MalformedURLException e) {
+            log.add(LogType.MSG_LV_FETCH_ERROR_URL, 2);
+        } catch (IOException e) {
+            Log.e(Constants.TAG, "io error", e);
+            log.add(LogType.MSG_LV_FETCH_ERROR_IO, 2);
+        } catch (JSONException e) {
+            Log.e(Constants.TAG, "json error", e);
+            log.add(LogType.MSG_LV_FETCH_ERROR_FORMAT, 2);
+        }
+
+        if (res == null) {
+            // if this is null, an error was recorded in fetchResource above
+            return new LinkedVerifyResult(LinkedVerifyResult.RESULT_ERROR, log);
+        }
+
+        Log.d(Constants.TAG, "Resource data: '" + res + "'");
+
+        return verifyString(log, 1, res, fingerprint);
+
+    }
+
+    protected abstract String fetchResource (Context context, OperationLog log, int indent)
+            throws HttpStatusException, IOException, JSONException;
+
+    protected Matcher matchResource (OperationLog log, int indent, String res) {
+        return magicPattern.matcher(res);
+    }
+
+    protected LinkedVerifyResult verifyString (OperationLog log, int indent,
+                                               String res,
+                                               byte[] fingerprint) {
+
+        log.add(LogType.MSG_LV_MATCH, indent);
+        Matcher match = matchResource(log, indent+1, res);
+        if (!match.find()) {
+            log.add(LogType.MSG_LV_MATCH_ERROR, 2);
+            return new LinkedVerifyResult(LinkedVerifyResult.RESULT_ERROR, log);
+        }
+
+        String candidateFp = match.group(1).toLowerCase();
+        String fp = KeyFormattingUtils.convertFingerprintToHex(fingerprint);
+        if (!fp.equals(candidateFp)) {
+            log.add(LogType.MSG_LV_FP_ERROR, indent);
+            return new LinkedVerifyResult(LinkedVerifyResult.RESULT_ERROR, log);
+        }
+        log.add(LogType.MSG_LV_FP_OK, indent);
+
+        return new LinkedVerifyResult(LinkedVerifyResult.RESULT_OK, log);
+
+    }
+
+    @SuppressWarnings("deprecation") // HttpRequestBase is deprecated
+    public static String getResponseBody(Context context, HttpRequestBase request)
+            throws IOException, HttpStatusException {
+        return getResponseBody(context, request, null);
+    }
+
+    @SuppressWarnings("deprecation") // HttpRequestBase is deprecated
+    public static String getResponseBody(Context context, HttpRequestBase request, String[] pins)
+        throws IOException, HttpStatusException {
+        StringBuilder sb = new StringBuilder();
+
+        request.setHeader("User-Agent", "Open Keychain");
+
+
+        HttpClient httpClient;
+        if (pins == null) {
+            httpClient = new DefaultHttpClient(new BasicHttpParams());
+        } else {
+            httpClient = PinningHelper.getPinnedHttpClient(context, pins);
+        }
+
+        HttpResponse response = httpClient.execute(request);
+        int statusCode = response.getStatusLine().getStatusCode();
+        String reason = response.getStatusLine().getReasonPhrase();
+
+        if (statusCode != 200) {
+            throw new HttpStatusException(statusCode, reason);
+        }
+
+        HttpEntity entity = response.getEntity();
+        InputStream inputStream = entity.getContent();
+
+        BufferedReader bReader = new BufferedReader(
+                new InputStreamReader(inputStream, "UTF-8"), 8);
+        String line;
+        while ((line = bReader.readLine()) != null) {
+            sb.append(line);
+        }
+
+        return sb.toString();
+    }
+
+    public static class HttpStatusException extends Throwable {
+
+        private final int mStatusCode;
+        private final String mReason;
+
+        HttpStatusException(int statusCode, String reason) {
+            super("http status " + statusCode + ": " + reason);
+            mStatusCode = statusCode;
+            mReason = reason;
+        }
+
+        public int getStatus() {
+            return mStatusCode;
+        }
+
+        public String getReason() {
+            return mReason;
+        }
+
+    }
+
+}
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/linked/UriAttribute.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/linked/UriAttribute.java
new file mode 100644
index 000000000..7a8ece2cb
--- /dev/null
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/linked/UriAttribute.java
@@ -0,0 +1,79 @@
+package org.sufficientlysecure.keychain.linked;
+
+import org.spongycastle.util.Strings;
+import org.sufficientlysecure.keychain.Constants;
+import org.sufficientlysecure.keychain.R;
+import org.sufficientlysecure.keychain.pgp.WrappedUserAttribute;
+import org.sufficientlysecure.keychain.util.Log;
+
+import java.io.IOException;
+import java.net.URI;
+
+import android.content.Context;
+import android.support.annotation.DrawableRes;
+
+/** The RawLinkedIdentity contains raw parsed data from a Linked Identity subpacket. */
+public class UriAttribute {
+
+    public final URI mUri;
+
+    protected UriAttribute(URI uri) {
+        mUri = uri;
+    }
+
+    public byte[] getEncoded() {
+        return Strings.toUTF8ByteArray(mUri.toASCIIString());
+    }
+
+    public static UriAttribute fromAttributeData(byte[] data) throws IOException {
+        WrappedUserAttribute att = WrappedUserAttribute.fromData(data);
+
+        byte[][] subpackets = att.getSubpackets();
+        if (subpackets.length >= 1) {
+            return fromSubpacketData(subpackets[0]);
+        }
+
+        throw new IOException("no subpacket data");
+    }
+
+    static UriAttribute fromSubpacketData(byte[] data) {
+
+        try {
+            String uriStr = Strings.fromUTF8ByteArray(data);
+            URI uri = URI.create(uriStr);
+
+            LinkedResource res = LinkedTokenResource.fromUri(uri);
+            if (res == null) {
+                return new UriAttribute(uri);
+            }
+
+            return new LinkedAttribute(uri, res);
+
+        } catch (IllegalArgumentException e) {
+            Log.e(Constants.TAG, "error parsing uri in (suspected) linked id packet");
+            return null;
+        }
+    }
+
+    public static UriAttribute fromResource (LinkedTokenResource res) {
+        return new UriAttribute(res.toUri());
+    }
+
+
+    public WrappedUserAttribute toUserAttribute () {
+        return WrappedUserAttribute.fromSubpacket(WrappedUserAttribute.UAT_URI_ATTRIBUTE, getEncoded());
+    }
+
+    public @DrawableRes int getDisplayIcon() {
+        return R.drawable.ic_warning_grey_24dp;
+    }
+
+    public String getDisplayTitle(Context context) {
+        return "Unknown Identity";
+    }
+
+    public String getDisplayComment(Context context) {
+        return null;
+    }
+
+}
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/linked/resources/DnsResource.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/linked/resources/DnsResource.java
new file mode 100644
index 000000000..86b672cc1
--- /dev/null
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/linked/resources/DnsResource.java
@@ -0,0 +1,130 @@
+package org.sufficientlysecure.keychain.linked.resources;
+
+import android.content.Context;
+import android.support.annotation.DrawableRes;
+import android.support.annotation.StringRes;
+
+import org.sufficientlysecure.keychain.R;
+import org.sufficientlysecure.keychain.operations.results.OperationResult.OperationLog;
+import org.sufficientlysecure.keychain.linked.LinkedTokenResource;
+import org.sufficientlysecure.keychain.ui.util.KeyFormattingUtils;
+
+import java.net.URI;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.Set;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+import de.measite.minidns.Client;
+import de.measite.minidns.DNSMessage;
+import de.measite.minidns.Question;
+import de.measite.minidns.Record;
+import de.measite.minidns.Record.CLASS;
+import de.measite.minidns.Record.TYPE;
+import de.measite.minidns.record.TXT;
+
+public class DnsResource extends LinkedTokenResource {
+
+    final static Pattern magicPattern =
+            Pattern.compile("openpgpid\\+token=([a-zA-Z0-9]+)(?:#|;)([a-zA-Z0-9]+)");
+
+    String mFqdn;
+    CLASS mClass;
+    TYPE mType;
+
+    DnsResource(Set<String> flags, HashMap<String, String> params, URI uri,
+                String fqdn, CLASS clazz, TYPE type) {
+        super(flags, params, uri);
+
+        mFqdn = fqdn;
+        mClass = clazz;
+        mType = type;
+    }
+
+    public static String generateText(byte[] fingerprint) {
+
+        return String.format("openpgp4fpr=%s",
+                KeyFormattingUtils.convertFingerprintToHex(fingerprint));
+
+    }
+
+    public static DnsResource createNew (String domain) {
+        HashSet<String> flags = new HashSet<>();
+        HashMap<String,String> params = new HashMap<>();
+        URI uri = URI.create("dns:" + domain + "?TYPE=TXT");
+        return create(flags, params, uri);
+    }
+
+    public static DnsResource create(Set<String> flags, HashMap<String,String> params, URI uri) {
+        if ( ! ("dns".equals(uri.getScheme())
+                && (flags == null || flags.isEmpty())
+                && (params == null || params.isEmpty()))) {
+            return null;
+        }
+
+        //
+        String spec = uri.getSchemeSpecificPart();
+        // If there are // at the beginning, this includes an authority - we don't support those!
+        if (spec.startsWith("//")) {
+            return null;
+        }
+
+        String[] pieces = spec.split("\\?", 2);
+        // In either case, part before a ? is the fqdn
+        String fqdn = pieces[0];
+        // There may be a query part
+        /*
+        if (pieces.length > 1) {
+            // parse CLASS and TYPE query paramters
+        }
+        */
+
+        CLASS clazz = CLASS.IN;
+        TYPE type = TYPE.TXT;
+
+        return new DnsResource(flags, params, uri, fqdn, clazz, type);
+    }
+
+    @SuppressWarnings("unused")
+    public String getFqdn() {
+        return mFqdn;
+    }
+
+    @Override
+    protected String fetchResource (Context context, OperationLog log, int indent) {
+
+        Client c = new Client();
+        DNSMessage msg = c.query(new Question(mFqdn, mType, mClass));
+        Record aw = msg.getAnswers()[0];
+        TXT txt = (TXT) aw.getPayload();
+        return txt.getText().toLowerCase();
+
+    }
+
+    @Override
+    protected Matcher matchResource(OperationLog log, int indent, String res) {
+        return magicPattern.matcher(res);
+    }
+
+    @Override
+    public @StringRes
+    int getVerifiedText(boolean isSecret) {
+        return isSecret ? R.string.linked_verified_secret_dns : R.string.linked_verified_dns;
+    }
+
+    @Override
+    public @DrawableRes int getDisplayIcon() {
+        return R.drawable.linked_dns;
+    }
+
+    @Override
+    public String getDisplayTitle(Context context) {
+        return context.getString(R.string.linked_title_dns);
+    }
+
+    @Override
+    public String getDisplayComment(Context context) {
+        return mFqdn;
+    }
+}
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/linked/resources/GenericHttpsResource.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/linked/resources/GenericHttpsResource.java
new file mode 100644
index 000000000..82240c405
--- /dev/null
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/linked/resources/GenericHttpsResource.java
@@ -0,0 +1,95 @@
+package org.sufficientlysecure.keychain.linked.resources;
+
+import android.content.Context;
+import android.content.Intent;
+import android.net.Uri;
+import android.support.annotation.DrawableRes;
+import android.support.annotation.StringRes;
+
+import org.apache.http.client.methods.HttpGet;
+import org.sufficientlysecure.keychain.R;
+import org.sufficientlysecure.keychain.operations.results.OperationResult.LogType;
+import org.sufficientlysecure.keychain.operations.results.OperationResult.OperationLog;
+import org.sufficientlysecure.keychain.linked.LinkedTokenResource;
+import org.sufficientlysecure.keychain.ui.util.KeyFormattingUtils;
+
+import java.io.IOException;
+import java.net.URI;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.Set;
+
+public class GenericHttpsResource extends LinkedTokenResource {
+
+    GenericHttpsResource(Set<String> flags, HashMap<String,String> params, URI uri) {
+        super(flags, params, uri);
+    }
+
+    public static String generateText (Context context, byte[] fingerprint) {
+        String token = LinkedTokenResource.generate(fingerprint);
+
+        return String.format(context.getResources().getString(R.string.linked_id_generic_text),
+                token, "0x" + KeyFormattingUtils.convertFingerprintToHex(fingerprint).substring(24));
+    }
+
+    @SuppressWarnings("deprecation") // HttpGet is deprecated
+    @Override
+    protected String fetchResource (Context context, OperationLog log, int indent)
+            throws HttpStatusException, IOException {
+
+        log.add(LogType.MSG_LV_FETCH, indent, mSubUri.toString());
+        HttpGet httpGet = new HttpGet(mSubUri);
+        return getResponseBody(context, httpGet);
+
+    }
+
+    public static GenericHttpsResource createNew (URI uri) {
+        HashSet<String> flags = new HashSet<>();
+        flags.add("generic");
+        HashMap<String,String> params = new HashMap<>();
+        return create(flags, params, uri);
+    }
+
+    public static GenericHttpsResource create(Set<String> flags, HashMap<String,String> params, URI uri) {
+        if ( ! ("https".equals(uri.getScheme())
+                && flags != null && flags.size() == 1 && flags.contains("generic")
+                && (params == null || params.isEmpty()))) {
+            return null;
+        }
+        return new GenericHttpsResource(flags, params, uri);
+    }
+
+    @Override
+    public @DrawableRes
+    int getDisplayIcon() {
+        return R.drawable.linked_https;
+    }
+
+    @Override
+    public @StringRes
+    int getVerifiedText(boolean isSecret) {
+        return isSecret ? R.string.linked_verified_secret_https : R.string.linked_verified_https;
+    }
+
+    @Override
+    public String getDisplayTitle(Context context) {
+        return context.getString(R.string.linked_title_https);
+    }
+
+    @Override
+    public String getDisplayComment(Context context) {
+        return mSubUri.toString();
+    }
+
+    @Override
+    public boolean isViewable() {
+        return true;
+    }
+
+    @Override
+    public Intent getViewIntent() {
+        Intent intent = new Intent(Intent.ACTION_VIEW);
+        intent.setData(Uri.parse(mSubUri.toString()));
+        return intent;
+    }
+}
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/linked/resources/GithubResource.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/linked/resources/GithubResource.java
new file mode 100644
index 000000000..30ce075b4
--- /dev/null
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/linked/resources/GithubResource.java
@@ -0,0 +1,217 @@
+package org.sufficientlysecure.keychain.linked.resources;
+
+import android.content.Context;
+import android.content.Intent;
+import android.net.Uri;
+import android.support.annotation.DrawableRes;
+import android.support.annotation.StringRes;
+
+import org.apache.http.client.methods.HttpGet;
+import org.json.JSONArray;
+import org.json.JSONException;
+import org.json.JSONObject;
+import org.sufficientlysecure.keychain.Constants;
+import org.sufficientlysecure.keychain.R;
+import org.sufficientlysecure.keychain.operations.results.OperationResult.LogType;
+import org.sufficientlysecure.keychain.operations.results.OperationResult.OperationLog;
+import org.sufficientlysecure.keychain.linked.LinkedTokenResource;
+import org.sufficientlysecure.keychain.util.Log;
+
+import java.io.IOException;
+import java.net.MalformedURLException;
+import java.net.URI;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.Iterator;
+import java.util.Set;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+
+public class GithubResource extends LinkedTokenResource {
+
+    final String mHandle;
+    final String mGistId;
+
+    GithubResource(Set<String> flags, HashMap<String,String> params, URI uri,
+            String handle, String gistId) {
+        super(flags, params, uri);
+
+        mHandle = handle;
+        mGistId = gistId;
+    }
+
+    public static String generate(Context context, byte[] fingerprint) {
+        String token = LinkedTokenResource.generate(fingerprint);
+
+        return String.format(context.getResources().getString(R.string.linked_id_github_text), token);
+    }
+
+    @SuppressWarnings("deprecation") // HttpGet is deprecated
+    @Override
+    protected String fetchResource (Context context, OperationLog log, int indent)
+            throws HttpStatusException, IOException, JSONException {
+
+        log.add(LogType.MSG_LV_FETCH, indent, mSubUri.toString());
+        indent += 1;
+
+        HttpGet httpGet = new HttpGet("https://api.github.com/gists/" + mGistId);
+        String response = getResponseBody(context, httpGet);
+
+        JSONObject obj = new JSONObject(response);
+
+        JSONObject owner = obj.getJSONObject("owner");
+        if (!mHandle.equals(owner.getString("login"))) {
+            log.add(LogType.MSG_LV_ERROR_GITHUB_HANDLE, indent);
+            return null;
+        }
+
+        JSONObject files = obj.getJSONObject("files");
+        Iterator<String> it = files.keys();
+        if (it.hasNext()) {
+            // TODO can there be multiple candidates?
+            JSONObject file = files.getJSONObject(it.next());
+            return file.getString("content");
+        }
+
+        log.add(LogType.MSG_LV_ERROR_GITHUB_NOT_FOUND, indent);
+        return null;
+
+    }
+
+    @SuppressWarnings("deprecation")
+    public static GithubResource searchInGithubStream(
+            Context context, String screenName, String needle, OperationLog log) {
+
+        // narrow the needle down to important part
+        Matcher matcher = magicPattern.matcher(needle);
+        if (!matcher.find()) {
+            throw new AssertionError("Needle must contain token pattern! This is a programming error, please report.");
+        }
+        needle = matcher.group();
+
+        try {
+
+            JSONArray array; {
+                HttpGet httpGet =
+                        new HttpGet("https://api.github.com/users/" + screenName + "/gists");
+                httpGet.setHeader("Content-Type", "application/json");
+                httpGet.setHeader("User-Agent", "OpenKeychain");
+
+                String response = getResponseBody(context, httpGet);
+                array = new JSONArray(response);
+            }
+
+            for (int i = 0, j = Math.min(array.length(), 5); i < j; i++) {
+                JSONObject obj = array.getJSONObject(i);
+
+                JSONObject files = obj.getJSONObject("files");
+                Iterator<String> it = files.keys();
+                if (it.hasNext()) {
+
+                    JSONObject file = files.getJSONObject(it.next());
+                    String type = file.getString("type");
+                    if (!"text/plain".equals(type)) {
+                        continue;
+                    }
+                    String id = obj.getString("id");
+                    HttpGet httpGet = new HttpGet("https://api.github.com/gists/" + id);
+                    httpGet.setHeader("User-Agent", "OpenKeychain");
+
+                    JSONObject gistObj = new JSONObject(getResponseBody(context, httpGet));
+                    JSONObject gistFiles = gistObj.getJSONObject("files");
+                    Iterator<String> gistIt = gistFiles.keys();
+                    if (!gistIt.hasNext()) {
+                        continue;
+                    }
+                    // TODO can there be multiple candidates?
+                    JSONObject gistFile = gistFiles.getJSONObject(gistIt.next());
+                    String content = gistFile.getString("content");
+                    if (!content.contains(needle)) {
+                        continue;
+                    }
+
+                    URI uri = URI.create("https://gist.github.com/" + screenName + "/" + id);
+                    return create(uri);
+                }
+            }
+
+            // update the results with the body of the response
+            log.add(LogType.MSG_LV_FETCH_ERROR_NOTHING, 2);
+            return null;
+
+        } catch (HttpStatusException e) {
+            // log verbose output to logcat
+            Log.e(Constants.TAG, "http error (" + e.getStatus() + "): " + e.getReason());
+            log.add(LogType.MSG_LV_FETCH_ERROR, 2, Integer.toString(e.getStatus()));
+        } catch (MalformedURLException e) {
+            log.add(LogType.MSG_LV_FETCH_ERROR_URL, 2);
+        } catch (IOException e) {
+            Log.e(Constants.TAG, "io error", e);
+            log.add(LogType.MSG_LV_FETCH_ERROR_IO, 2);
+        } catch (JSONException e) {
+            Log.e(Constants.TAG, "json error", e);
+            log.add(LogType.MSG_LV_FETCH_ERROR_FORMAT, 2);
+        }
+
+        return null;
+    }
+
+    public static GithubResource create(URI uri) {
+        return create(new HashSet<String>(), new HashMap<String,String>(), uri);
+    }
+
+    public static GithubResource create(Set<String> flags, HashMap<String,String> params, URI uri) {
+
+        // no params or flags
+        if (!flags.isEmpty() || !params.isEmpty()) {
+            return null;
+        }
+
+        Pattern p = Pattern.compile("https://gist\\.github\\.com/([a-zA-Z0-9_]+)/([0-9a-f]+)");
+        Matcher match = p.matcher(uri.toString());
+        if (!match.matches()) {
+            return null;
+        }
+        String handle = match.group(1);
+        String gistId = match.group(2);
+
+        return new GithubResource(flags, params, uri, handle, gistId);
+
+    }
+
+
+    @Override
+    public @DrawableRes
+    int getDisplayIcon() {
+        return R.drawable.linked_github;
+    }
+
+    @Override
+    public @StringRes
+    int getVerifiedText(boolean isSecret) {
+        return isSecret ? R.string.linked_verified_secret_github : R.string.linked_verified_github;
+    }
+
+    @Override
+    public String getDisplayTitle(Context context) {
+        return context.getString(R.string.linked_title_github);
+    }
+
+    @Override
+    public String getDisplayComment(Context context) {
+        return mHandle;
+    }
+
+    @Override
+    public boolean isViewable() {
+        return true;
+    }
+
+    @Override
+    public Intent getViewIntent() {
+        Intent intent = new Intent(Intent.ACTION_VIEW);
+        intent.setData(Uri.parse(mSubUri.toString()));
+        return intent;
+    }
+}
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/linked/resources/TwitterResource.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/linked/resources/TwitterResource.java
new file mode 100644
index 000000000..73e3d3643
--- /dev/null
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/linked/resources/TwitterResource.java
@@ -0,0 +1,250 @@
+package org.sufficientlysecure.keychain.linked.resources;
+
+import android.content.Context;
+import android.content.Intent;
+import android.net.Uri;
+import android.support.annotation.DrawableRes;
+import android.support.annotation.StringRes;
+import android.util.Log;
+
+import com.textuality.keybase.lib.JWalk;
+
+import org.apache.http.client.methods.HttpGet;
+import org.apache.http.client.methods.HttpPost;
+import org.apache.http.entity.StringEntity;
+import org.json.JSONArray;
+import org.json.JSONException;
+import org.json.JSONObject;
+import org.sufficientlysecure.keychain.Constants;
+import org.sufficientlysecure.keychain.R;
+import org.sufficientlysecure.keychain.operations.results.OperationResult.LogType;
+import org.sufficientlysecure.keychain.operations.results.OperationResult.OperationLog;
+import org.sufficientlysecure.keychain.linked.LinkedTokenResource;
+
+import java.io.IOException;
+import java.net.MalformedURLException;
+import java.net.URI;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.Set;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+public class TwitterResource extends LinkedTokenResource {
+
+    public static final String[] CERT_PINS = null; /*(new String[] {
+        // Symantec Class 3 Secure Server CA - G4
+        "513fb9743870b73440418d30930699ff"
+    };*/
+
+    final String mHandle;
+    final String mTweetId;
+
+    TwitterResource(Set<String> flags, HashMap<String,String> params,
+            URI uri, String handle, String tweetId) {
+        super(flags, params, uri);
+
+        mHandle = handle;
+        mTweetId = tweetId;
+    }
+
+    public static TwitterResource create(URI uri) {
+        return create(new HashSet<String>(), new HashMap<String,String>(), uri);
+    }
+
+    public static TwitterResource create(Set<String> flags, HashMap<String,String> params, URI uri) {
+
+        // no params or flags
+        if (!flags.isEmpty() || !params.isEmpty()) {
+            return null;
+        }
+
+        Pattern p = Pattern.compile("https://twitter\\.com/([a-zA-Z0-9_]+)/status/([0-9]+)");
+        Matcher match = p.matcher(uri.toString());
+        if (!match.matches()) {
+            return null;
+        }
+        String handle = match.group(1);
+        String tweetId = match.group(2);
+
+        return new TwitterResource(flags, params, uri, handle, tweetId);
+
+    }
+
+    @SuppressWarnings("deprecation")
+    @Override
+    protected String fetchResource(Context context, OperationLog log, int indent)
+            throws IOException, HttpStatusException, JSONException {
+
+        String authToken;
+        try {
+            authToken = getAuthToken(context);
+        } catch (IOException | HttpStatusException | JSONException e) {
+            log.add(LogType.MSG_LV_ERROR_TWITTER_AUTH, indent);
+            return null;
+        }
+
+        HttpGet httpGet =
+                new HttpGet("https://api.twitter.com/1.1/statuses/show.json"
+                        + "?id=" + mTweetId
+                        + "&include_entities=false");
+
+        // construct a normal HTTPS request and include an Authorization
+        // header with the value of Bearer <>
+        httpGet.setHeader("Authorization", "Bearer " + authToken);
+        httpGet.setHeader("Content-Type", "application/json");
+
+        try {
+            String response = getResponseBody(context, httpGet, CERT_PINS);
+            JSONObject obj = new JSONObject(response);
+            JSONObject user = obj.getJSONObject("user");
+            if (!mHandle.equalsIgnoreCase(user.getString("screen_name"))) {
+                log.add(LogType.MSG_LV_ERROR_TWITTER_HANDLE, indent);
+                return null;
+            }
+
+            // update the results with the body of the response
+            return obj.getString("text");
+        } catch (JSONException e) {
+            log.add(LogType.MSG_LV_ERROR_TWITTER_RESPONSE, indent);
+            return null;
+        }
+
+    }
+
+    @Override
+    public @DrawableRes int getDisplayIcon() {
+        return R.drawable.linked_twitter;
+    }
+
+    @Override
+    public @StringRes
+    int getVerifiedText(boolean isSecret) {
+        return isSecret ? R.string.linked_verified_secret_twitter : R.string.linked_verified_twitter;
+    }
+
+    @Override
+    public String getDisplayTitle(Context context) {
+        return context.getString(R.string.linked_title_twitter);
+    }
+
+    @Override
+    public String getDisplayComment(Context context) {
+        return "@" + mHandle;
+    }
+
+    @Override
+    public boolean isViewable() {
+        return true;
+    }
+
+    @Override
+    public Intent getViewIntent() {
+        Intent intent = new Intent(Intent.ACTION_VIEW);
+        intent.setData(Uri.parse(mSubUri.toString()));
+        return intent;
+    }
+
+    @SuppressWarnings("deprecation")
+    public static TwitterResource searchInTwitterStream(
+            Context context, String screenName, String needle, OperationLog log) {
+
+        String authToken;
+        try {
+            authToken = getAuthToken(context);
+        } catch (IOException | HttpStatusException | JSONException e) {
+            log.add(LogType.MSG_LV_ERROR_TWITTER_AUTH, 1);
+            return null;
+        }
+
+        HttpGet httpGet =
+                new HttpGet("https://api.twitter.com/1.1/statuses/user_timeline.json"
+                        + "?screen_name=" + screenName
+                        + "&count=15"
+                        + "&include_rts=false"
+                        + "&trim_user=true"
+                        + "&exclude_replies=true");
+
+        // construct a normal HTTPS request and include an Authorization
+        // header with the value of Bearer <>
+        httpGet.setHeader("Authorization", "Bearer " + authToken);
+        httpGet.setHeader("Content-Type", "application/json");
+
+        try {
+            String response = getResponseBody(context, httpGet, CERT_PINS);
+            JSONArray array = new JSONArray(response);
+
+            for (int i = 0; i < array.length(); i++) {
+                JSONObject obj = array.getJSONObject(i);
+                String tweet = obj.getString("text");
+                if (tweet.contains(needle)) {
+                    String id = obj.getString("id_str");
+                    URI uri = URI.create("https://twitter.com/" + screenName + "/status/" + id);
+                    return create(uri);
+                }
+            }
+
+            // update the results with the body of the response
+            log.add(LogType.MSG_LV_FETCH_ERROR_NOTHING, 1);
+            return null;
+
+        } catch (HttpStatusException e) {
+            // log verbose output to logcat
+            Log.e(Constants.TAG, "http error (" + e.getStatus() + "): " + e.getReason());
+            log.add(LogType.MSG_LV_FETCH_ERROR, 1, Integer.toString(e.getStatus()));
+        } catch (MalformedURLException e) {
+            log.add(LogType.MSG_LV_FETCH_ERROR_URL, 1);
+        } catch (IOException e) {
+            Log.e(Constants.TAG, "io error", e);
+            log.add(LogType.MSG_LV_FETCH_ERROR_IO, 1);
+        } catch (JSONException e) {
+            Log.e(Constants.TAG, "json error", e);
+            log.add(LogType.MSG_LV_FETCH_ERROR_FORMAT, 1);
+        }
+
+        return null;
+    }
+
+    private static String cachedAuthToken;
+
+    @SuppressWarnings("deprecation")
+    private static String getAuthToken(Context context)
+            throws IOException, HttpStatusException, JSONException {
+        if (cachedAuthToken != null) {
+            return cachedAuthToken;
+        }
+        String base64Encoded = rot13("D293FQqanH0jH29KIaWJER5DomqSGRE2Ewc1LJACn3cbD1c"
+                    + "Fq1bmqSAQAz5MI2cIHKOuo3cPoRAQI1OyqmIVFJS6LHMXq2g6MRLkIj") + "==";
+
+        // Step 2: Obtain a bearer token
+        HttpPost httpPost = new HttpPost("https://api.twitter.com/oauth2/token");
+        httpPost.setHeader("Authorization", "Basic " + base64Encoded);
+        httpPost.setHeader("Content-Type", "application/x-www-form-urlencoded;charset=UTF-8");
+        httpPost.setEntity(new StringEntity("grant_type=client_credentials"));
+        JSONObject rawAuthorization = new JSONObject(getResponseBody(context, httpPost, CERT_PINS));
+
+        // Applications should verify that the value associated with the
+        // token_type key of the returned object is bearer
+        if (!"bearer".equals(JWalk.getString(rawAuthorization, "token_type"))) {
+            throw new JSONException("Expected bearer token in response!");
+        }
+
+        cachedAuthToken = rawAuthorization.getString("access_token");
+        return cachedAuthToken;
+
+    }
+
+    public static String rot13(String input) {
+        StringBuilder sb = new StringBuilder();
+        for (int i = 0; i < input.length(); i++) {
+            char c = input.charAt(i);
+            if       (c >= 'a' && c <= 'm') c += 13;
+            else if  (c >= 'A' && c <= 'M') c += 13;
+            else if  (c >= 'n' && c <= 'z') c -= 13;
+            else if  (c >= 'N' && c <= 'Z') c -= 13;
+            sb.append(c);
+        }
+        return sb.toString();
+    }
+
+}
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/operations/results/LinkedVerifyResult.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/operations/results/LinkedVerifyResult.java
new file mode 100644
index 000000000..42e9ec3f0
--- /dev/null
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/operations/results/LinkedVerifyResult.java
@@ -0,0 +1,49 @@
+/*
+ * Copyright (C) 2014 Dominik Schürmann <dominik@dominikschuermann.de>
+ * Copyright (C) 2014 Vincent Breitmoser <v.breitmoser@mugenguild.com>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package org.sufficientlysecure.keychain.operations.results;
+
+import android.os.Parcel;
+
+public class LinkedVerifyResult extends OperationResult {
+
+    public LinkedVerifyResult(int result, OperationLog log) {
+        super(result, log);
+    }
+
+    /** Construct from a parcel - trivial because we have no extra data. */
+    public LinkedVerifyResult(Parcel source) {
+        super(source);
+    }
+
+    @Override
+    public void writeToParcel(Parcel dest, int flags) {
+        super.writeToParcel(dest, flags);
+    }
+
+    public static Creator<LinkedVerifyResult> CREATOR = new Creator<LinkedVerifyResult>() {
+        public LinkedVerifyResult createFromParcel(final Parcel source) {
+            return new LinkedVerifyResult(source);
+        }
+
+        public LinkedVerifyResult[] newArray(final int size) {
+            return new LinkedVerifyResult[size];
+        }
+    };
+
+}
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/operations/results/OperationResult.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/operations/results/OperationResult.java
index a2164009a..f213b1aad 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/operations/results/OperationResult.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/operations/results/OperationResult.java
@@ -782,12 +782,33 @@ public abstract class OperationResult implements Parcelable {
                 R.string.msg_keybase_error_msg_payload_mismatch),
 
         // export log
+        MSG_LV (LogLevel.START, R.string.msg_lv),
+        MSG_LV_MATCH (LogLevel.DEBUG, R.string.msg_lv_match),
+        MSG_LV_MATCH_ERROR (LogLevel.ERROR, R.string.msg_lv_match_error),
+        MSG_LV_FP_OK (LogLevel.DEBUG, R.string.msg_lv_fp_ok),
+        MSG_LV_FP_ERROR (LogLevel.ERROR, R.string.msg_lv_fp_error),
+
+        MSG_LV_ERROR_TWITTER_AUTH (LogLevel.ERROR, R.string.msg_lv_error_twitter_auth),
+        MSG_LV_ERROR_TWITTER_HANDLE (LogLevel.ERROR, R.string.msg_lv_error_twitter_handle),
+        MSG_LV_ERROR_TWITTER_RESPONSE (LogLevel.ERROR, R.string.msg_lv_error_twitter_response),
+        MSG_LV_ERROR_GITHUB_HANDLE (LogLevel.ERROR, R.string.msg_lv_error_github_handle),
+        MSG_LV_ERROR_GITHUB_NOT_FOUND (LogLevel.ERROR, R.string.msg_lv_error_github_not_found),
+
+        MSG_LV_FETCH (LogLevel.DEBUG, R.string.msg_lv_fetch),
+        MSG_LV_FETCH_REDIR (LogLevel.DEBUG, R.string.msg_lv_fetch_redir),
+        MSG_LV_FETCH_OK (LogLevel.DEBUG, R.string.msg_lv_fetch_ok),
+        MSG_LV_FETCH_ERROR (LogLevel.ERROR, R.string.msg_lv_fetch_error),
+        MSG_LV_FETCH_ERROR_URL (LogLevel.ERROR, R.string.msg_lv_fetch_error_url),
+        MSG_LV_FETCH_ERROR_IO (LogLevel.ERROR, R.string.msg_lv_fetch_error_io),
+        MSG_LV_FETCH_ERROR_FORMAT(LogLevel.ERROR, R.string.msg_lv_fetch_error_format),
+        MSG_LV_FETCH_ERROR_NOTHING (LogLevel.ERROR, R.string.msg_lv_fetch_error_nothing),
+
+        //export log
         MSG_EXPORT_LOG(LogLevel.START,R.string.msg_export_log_start),
         MSG_EXPORT_LOG_EXPORT_ERROR_NO_FILE(LogLevel.ERROR,R.string.msg_export_log_error_no_file),
         MSG_EXPORT_LOG_EXPORT_ERROR_FOPEN(LogLevel.ERROR,R.string.msg_export_log_error_fopen),
         MSG_EXPORT_LOG_EXPORT_ERROR_WRITING(LogLevel.ERROR,R.string.msg_export_log_error_writing),
-        MSG_EXPORT_LOG_EXPORT_SUCCESS (LogLevel.OK, R.string.msg_export_log_success),
-        ;
+        MSG_EXPORT_LOG_EXPORT_SUCCESS (LogLevel.OK, R.string.msg_export_log_success);
 
         public final int mMsgId;
         public final LogLevel mLevel;
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/UncachedPublicKey.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/UncachedPublicKey.java
index 26f046372..013a6bf14 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/UncachedPublicKey.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/UncachedPublicKey.java
@@ -368,4 +368,5 @@ public class UncachedPublicKey {
 
         return calendar.getTime();
     }
+
 }
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/WrappedUserAttribute.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/WrappedUserAttribute.java
index 2c7f0187a..535314607 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/WrappedUserAttribute.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/WrappedUserAttribute.java
@@ -1,4 +1,8 @@
 /*
+<<<<<<< HEAD
+ * Copyright (C) 2014 Dominik Schürmann <dominik@dominikschuermann.de>
+=======
+>>>>>>> development
  * Copyright (C) 2014 Vincent Breitmoser <v.breitmoser@mugenguild.com>
  *
  * This program is free software: you can redistribute it and/or modify
@@ -37,6 +41,7 @@ public class WrappedUserAttribute implements Serializable {
 
     public static final int UAT_NONE = 0;
     public static final int UAT_IMAGE = UserAttributeSubpacketTags.IMAGE_ATTRIBUTE;
+    public static final int UAT_URI_ATTRIBUTE = 101;
 
     private PGPUserAttributeSubpacketVector mVector;
 
@@ -77,7 +82,7 @@ public class WrappedUserAttribute implements Serializable {
     public static WrappedUserAttribute fromData (byte[] data) throws IOException {
         UserAttributeSubpacketInputStream in =
                 new UserAttributeSubpacketInputStream(new ByteArrayInputStream(data));
-        ArrayList<UserAttributeSubpacket> list = new ArrayList<UserAttributeSubpacket>();
+        ArrayList<UserAttributeSubpacket> list = new ArrayList<>();
         while (in.available() > 0) {
             list.add(in.readPacket());
         }
@@ -121,6 +126,7 @@ public class WrappedUserAttribute implements Serializable {
     private void readObjectNoData() throws ObjectStreamException {
     }
 
+    @SuppressWarnings("SimplifiableIfStatement")
     @Override
     public boolean equals(Object o) {
         if (!WrappedUserAttribute.class.isInstance(o)) {
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/provider/KeychainContract.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/provider/KeychainContract.java
index 73a687efe..ee28b5f36 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/provider/KeychainContract.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/provider/KeychainContract.java
@@ -113,6 +113,7 @@ public class KeychainContract {
     public static final String PATH_PUBLIC = "public";
     public static final String PATH_SECRET = "secret";
     public static final String PATH_USER_IDS = "user_ids";
+    public static final String PATH_LINKED_IDS = "linked_ids";
     public static final String PATH_KEYS = "keys";
     public static final String PATH_CERTS = "certs";
 
@@ -279,6 +280,11 @@ public class KeychainContract {
         public static Uri buildUserIdsUri(Uri uri) {
             return CONTENT_URI.buildUpon().appendPath(uri.getPathSegments().get(1)).appendPath(PATH_USER_IDS).build();
         }
+
+        public static Uri buildLinkedIdsUri(Uri uri) {
+            return CONTENT_URI.buildUpon().appendPath(uri.getPathSegments().get(1)).appendPath(PATH_LINKED_IDS).build();
+        }
+
     }
 
     public static class ApiApps implements ApiAppsColumns, BaseColumns {
@@ -367,7 +373,14 @@ public class KeychainContract {
         }
 
         public static Uri buildCertsUri(Uri uri) {
-            return CONTENT_URI.buildUpon().appendPath(uri.getPathSegments().get(1)).appendPath(PATH_CERTS).build();
+            return CONTENT_URI.buildUpon().appendPath(uri.getPathSegments().get(1))
+                    .appendPath(PATH_CERTS).build();
+        }
+
+        public static Uri buildLinkedIdCertsUri(Uri uri, int rank) {
+            return CONTENT_URI.buildUpon().appendPath(uri.getPathSegments().get(1))
+                    .appendPath(PATH_LINKED_IDS).appendPath(Integer.toString(rank))
+                    .appendPath(PATH_CERTS).build();
         }
 
     }
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/provider/KeychainProvider.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/provider/KeychainProvider.java
index 178199805..d722fa9e7 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/provider/KeychainProvider.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/provider/KeychainProvider.java
@@ -31,6 +31,7 @@ import android.net.Uri;
 import android.text.TextUtils;
 
 import org.sufficientlysecure.keychain.Constants;
+import org.sufficientlysecure.keychain.pgp.WrappedUserAttribute;
 import org.sufficientlysecure.keychain.provider.KeychainContract.ApiAccounts;
 import org.sufficientlysecure.keychain.provider.KeychainContract.ApiAllowedKeys;
 import org.sufficientlysecure.keychain.provider.KeychainContract.ApiApps;
@@ -63,6 +64,8 @@ public class KeychainProvider extends ContentProvider {
     private static final int KEY_RING_SECRET = 204;
     private static final int KEY_RING_CERTS = 205;
     private static final int KEY_RING_CERTS_SPECIFIC = 206;
+    private static final int KEY_RING_LINKED_IDS = 207;
+    private static final int KEY_RING_LINKED_ID_CERTS = 208;
 
     private static final int API_APPS = 301;
     private static final int API_APPS_BY_PACKAGE_NAME = 302;
@@ -131,6 +134,9 @@ public class KeychainProvider extends ContentProvider {
          * key_rings/_/unified
          * key_rings/_/keys
          * key_rings/_/user_ids
+         * key_rings/_/linked_ids
+         * key_rings/_/linked_ids/_
+         * key_rings/_/linked_ids/_/certs
          * key_rings/_/public
          * key_rings/_/secret
          * key_rings/_/certs
@@ -147,6 +153,13 @@ public class KeychainProvider extends ContentProvider {
                 + KeychainContract.PATH_USER_IDS,
                 KEY_RING_USER_IDS);
         matcher.addURI(authority, KeychainContract.BASE_KEY_RINGS + "/*/"
+                        + KeychainContract.PATH_LINKED_IDS,
+                KEY_RING_LINKED_IDS);
+        matcher.addURI(authority, KeychainContract.BASE_KEY_RINGS + "/*/"
+                        + KeychainContract.PATH_LINKED_IDS + "/*/"
+                        + KeychainContract.PATH_CERTS,
+                KEY_RING_LINKED_ID_CERTS);
+        matcher.addURI(authority, KeychainContract.BASE_KEY_RINGS + "/*/"
                 + KeychainContract.PATH_PUBLIC,
                 KEY_RING_PUBLIC);
         matcher.addURI(authority, KeychainContract.BASE_KEY_RINGS + "/*/"
@@ -492,7 +505,8 @@ public class KeychainProvider extends ContentProvider {
             }
 
             case KEY_RINGS_USER_IDS:
-            case KEY_RING_USER_IDS: {
+            case KEY_RING_USER_IDS:
+            case KEY_RING_LINKED_IDS: {
                 HashMap<String, String> projectionMap = new HashMap<>();
                 projectionMap.put(UserPackets._ID, Tables.USER_PACKETS + ".oid AS _id");
                 projectionMap.put(UserPackets.MASTER_KEY_ID, Tables.USER_PACKETS + "." + UserPackets.MASTER_KEY_ID);
@@ -517,13 +531,15 @@ public class KeychainProvider extends ContentProvider {
                 groupBy = Tables.USER_PACKETS + "." + UserPackets.MASTER_KEY_ID
                         + ", " + Tables.USER_PACKETS + "." + UserPackets.RANK;
 
-                // for now, we only respect user ids here, so TYPE must be NULL
-                // TODO expand with KEY_RING_USER_PACKETS query type which lifts this restriction
-                qb.appendWhere(Tables.USER_PACKETS + "." + UserPackets.TYPE + " IS NULL");
+                if (match == KEY_RING_LINKED_IDS) {
+                    qb.appendWhere(Tables.USER_PACKETS + "." + UserPackets.TYPE + " = "
+                            + WrappedUserAttribute.UAT_URI_ATTRIBUTE);
+                } else {
+                    qb.appendWhere(Tables.USER_PACKETS + "." + UserPackets.TYPE + " IS NULL");
+                }
 
                 // If we are searching for a particular keyring's ids, add where
-                if (match == KEY_RING_USER_IDS) {
-                    // TODO remove with the thing above
+                if (match == KEY_RING_USER_IDS || match == KEY_RING_LINKED_IDS) {
                     qb.appendWhere(" AND ");
                     qb.appendWhere(Tables.USER_PACKETS + "." + UserPackets.MASTER_KEY_ID + " = ");
                     qb.appendWhereEscapeString(uri.getPathSegments().get(1));
@@ -574,7 +590,8 @@ public class KeychainProvider extends ContentProvider {
             }
 
             case KEY_RING_CERTS:
-            case KEY_RING_CERTS_SPECIFIC: {
+            case KEY_RING_CERTS_SPECIFIC:
+            case KEY_RING_LINKED_ID_CERTS: {
                 HashMap<String, String> projectionMap = new HashMap<>();
                 projectionMap.put(Certs._ID, Tables.CERTS + ".oid AS " + Certs._ID);
                 projectionMap.put(Certs.MASTER_KEY_ID, Tables.CERTS + "." + Certs.MASTER_KEY_ID);
@@ -595,10 +612,6 @@ public class KeychainProvider extends ContentProvider {
                         + " AND "
                             + Tables.CERTS + "." + Certs.RANK + " = "
                             + Tables.USER_PACKETS + "." + UserPackets.RANK
-                        // for now, we only return user ids here, so TYPE must be NULL
-                        // TODO at some point, we should lift this restriction
-                        + " AND "
-                            + Tables.USER_PACKETS + "." + UserPackets.TYPE + " IS NULL"
                     + ") LEFT JOIN " + Tables.USER_PACKETS + " AS signer ON ("
                             + Tables.CERTS + "." + Certs.KEY_ID_CERTIFIER + " = "
                             + "signer." + UserPackets.MASTER_KEY_ID
@@ -618,6 +631,17 @@ public class KeychainProvider extends ContentProvider {
                     qb.appendWhereEscapeString(uri.getPathSegments().get(4));
                 }
 
+                if (match == KEY_RING_LINKED_ID_CERTS) {
+                    qb.appendWhere(" AND " + Tables.USER_PACKETS + "."
+                            + UserPackets.TYPE + " IS NOT NULL");
+
+                    qb.appendWhere(" AND " + Tables.USER_PACKETS + "."
+                            + UserPackets.RANK + " = ");
+                    qb.appendWhereEscapeString(uri.getPathSegments().get(3));
+                } else {
+                    qb.appendWhere(" AND " + Tables.USER_PACKETS + "." + UserPackets.TYPE + " IS NULL");
+                }
+
                 break;
             }
 
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/provider/ProviderHelper.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/provider/ProviderHelper.java
index cbb71276c..d9ef4f3c8 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/provider/ProviderHelper.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/provider/ProviderHelper.java
@@ -32,10 +32,15 @@ import android.support.v4.util.LongSparseArray;
 import org.spongycastle.bcpg.CompressionAlgorithmTags;
 import org.sufficientlysecure.keychain.Constants;
 import org.sufficientlysecure.keychain.R;
+import org.sufficientlysecure.keychain.operations.results.ImportKeyResult;
+import org.sufficientlysecure.keychain.pgp.WrappedUserAttribute;
+import org.sufficientlysecure.keychain.provider.KeychainContract.UserPackets;
+import org.sufficientlysecure.keychain.ui.util.KeyFormattingUtils;
+import org.sufficientlysecure.keychain.util.ParcelableFileCache.IteratorWithSize;
+import org.sufficientlysecure.keychain.util.Preferences;
 import org.sufficientlysecure.keychain.keyimport.ParcelableKeyRing;
 import org.sufficientlysecure.keychain.operations.ImportOperation;
 import org.sufficientlysecure.keychain.operations.results.ConsolidateResult;
-import org.sufficientlysecure.keychain.operations.results.ImportKeyResult;
 import org.sufficientlysecure.keychain.operations.results.OperationResult.LogType;
 import org.sufficientlysecure.keychain.operations.results.OperationResult.OperationLog;
 import org.sufficientlysecure.keychain.operations.results.SaveKeyringResult;
@@ -50,7 +55,6 @@ import org.sufficientlysecure.keychain.pgp.Progressable;
 import org.sufficientlysecure.keychain.pgp.UncachedKeyRing;
 import org.sufficientlysecure.keychain.pgp.UncachedPublicKey;
 import org.sufficientlysecure.keychain.pgp.WrappedSignature;
-import org.sufficientlysecure.keychain.pgp.WrappedUserAttribute;
 import org.sufficientlysecure.keychain.pgp.exception.PgpGeneralException;
 import org.sufficientlysecure.keychain.provider.KeychainContract.ApiAllowedKeys;
 import org.sufficientlysecure.keychain.provider.KeychainContract.ApiApps;
@@ -62,12 +66,9 @@ import org.sufficientlysecure.keychain.provider.KeychainContract.UserPackets;
 import org.sufficientlysecure.keychain.provider.KeychainContract.UpdatedKeys;
 import org.sufficientlysecure.keychain.remote.AccountSettings;
 import org.sufficientlysecure.keychain.remote.AppSettings;
-import org.sufficientlysecure.keychain.ui.util.KeyFormattingUtils;
 import org.sufficientlysecure.keychain.util.IterableIterator;
 import org.sufficientlysecure.keychain.util.Log;
 import org.sufficientlysecure.keychain.util.ParcelableFileCache;
-import org.sufficientlysecure.keychain.util.ParcelableFileCache.IteratorWithSize;
-import org.sufficientlysecure.keychain.util.Preferences;
 import org.sufficientlysecure.keychain.util.ProgressFixedScaler;
 import org.sufficientlysecure.keychain.util.ProgressScaler;
 import org.sufficientlysecure.keychain.util.Utf8Util;
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/service/CertifyActionsParcel.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/service/CertifyActionsParcel.java
index e76dcfb49..3cdbca633 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/service/CertifyActionsParcel.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/service/CertifyActionsParcel.java
@@ -23,6 +23,9 @@ import android.os.Parcelable;
 
 import java.io.Serializable;
 import java.util.ArrayList;
+import java.util.List;
+import java.util.Date;
+import java.util.Map;
 
 import org.sufficientlysecure.keychain.pgp.WrappedUserAttribute;
 import org.sufficientlysecure.keychain.util.ParcelableProxy;
@@ -86,17 +89,10 @@ public class CertifyActionsParcel implements Parcelable {
         final public ArrayList<String> mUserIds;
         final public ArrayList<WrappedUserAttribute> mUserAttributes;
 
-        public CertifyAction(long masterKeyId, ArrayList<String> userIds) {
+        public CertifyAction(long masterKeyId, List<String> userIds, List<WrappedUserAttribute> attributes) {
             mMasterKeyId = masterKeyId;
-            mUserIds = userIds;
-            mUserAttributes = null;
-        }
-
-        public CertifyAction(long masterKeyId, ArrayList<String> userIds,
-                             ArrayList<WrappedUserAttribute> attributes) {
-            mMasterKeyId = masterKeyId;
-            mUserIds = userIds;
-            mUserAttributes = attributes;
+            mUserIds = userIds == null ? null : new ArrayList<>(userIds);
+            mUserAttributes = attributes == null ? null : new ArrayList<>(attributes);
         }
     }
 
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/CertifyKeyFragment.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/CertifyKeyFragment.java
index 5ca7c6bc7..357b445f0 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/CertifyKeyFragment.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/CertifyKeyFragment.java
@@ -83,7 +83,9 @@ public class CertifyKeyFragment
     };
     private static final int INDEX_MASTER_KEY_ID = 1;
     private static final int INDEX_USER_ID = 2;
+    @SuppressWarnings("unused")
     private static final int INDEX_IS_PRIMARY = 3;
+    @SuppressWarnings("unused")
     private static final int INDEX_IS_REVOKED = 4;
 
     private MultiUserIdsAdapter mUserIdsAdapter;
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/EditKeyFragment.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/EditKeyFragment.java
index 4769e68d8..07b0a12d3 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/EditKeyFragment.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/EditKeyFragment.java
@@ -280,7 +280,7 @@ public class EditKeyFragment extends QueueingCryptoOperationFragment<SaveKeyring
             case LOADER_ID_USER_IDS: {
                 Uri baseUri = UserPackets.buildUserIdsUri(mDataUri);
                 return new CursorLoader(getActivity(), baseUri,
-                        UserIdsAdapter.USER_IDS_PROJECTION, null, null, null);
+                        UserIdsAdapter.USER_PACKETS_PROJECTION, null, null, null);
             }
 
             case LOADER_ID_SUBKEYS: {
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/KeyListFragment.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/KeyListFragment.java
index 9630463fc..ce6994ba4 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/KeyListFragment.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/KeyListFragment.java
@@ -63,7 +63,6 @@ import org.sufficientlysecure.keychain.provider.KeychainDatabase;
 import org.sufficientlysecure.keychain.provider.ProviderHelper;
 import org.sufficientlysecure.keychain.service.ConsolidateInputParcel;
 import org.sufficientlysecure.keychain.service.ImportKeyringParcel;
-import org.sufficientlysecure.keychain.service.KeyserverSyncAdapterService;
 import org.sufficientlysecure.keychain.ui.adapter.KeyAdapter;
 import org.sufficientlysecure.keychain.ui.base.CryptoOperationHelper;
 import org.sufficientlysecure.keychain.ui.util.FormattingUtils;
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/PassphraseDialogActivity.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/PassphraseDialogActivity.java
index 881fb05aa..e71349880 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/PassphraseDialogActivity.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/PassphraseDialogActivity.java
@@ -71,6 +71,7 @@ import org.sufficientlysecure.keychain.util.Preferences;
  * internally and is NOT meant to be used by signing operations before adding a signature time
  */
 public class PassphraseDialogActivity extends FragmentActivity {
+
     public static final String RESULT_CRYPTO_INPUT = "result_data";
 
     public static final String EXTRA_REQUIRED_INPUT = "required_input";
@@ -261,6 +262,9 @@ public class PassphraseDialogActivity extends FragmentActivity {
                         case DIVERT_TO_CARD:
                             message = getString(R.string.yubikey_pin_for, userId);
                             break;
+                        // special case: empty passphrase just returns the empty passphrase
+                        case PASSPHRASE_EMPTY:
+                            finishCaching(new Passphrase(""));
                         default:
                             throw new AssertionError("Unhandled SecretKeyType (should not happen)");
                     }
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/ViewKeyActivity.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/ViewKeyActivity.java
index 06126ebc4..fd50ed5ef 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/ViewKeyActivity.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/ViewKeyActivity.java
@@ -68,6 +68,7 @@ import org.sufficientlysecure.keychain.provider.KeychainContract;
 import org.sufficientlysecure.keychain.provider.KeychainContract.KeyRings;
 import org.sufficientlysecure.keychain.provider.ProviderHelper;
 import org.sufficientlysecure.keychain.service.ImportKeyringParcel;
+import org.sufficientlysecure.keychain.ui.linked.LinkedIdWizard;
 import org.sufficientlysecure.keychain.ui.base.BaseNfcActivity;
 import org.sufficientlysecure.keychain.ui.base.CryptoOperationHelper;
 import org.sufficientlysecure.keychain.ui.util.FormattingUtils;
@@ -357,6 +358,12 @@ public class ViewKeyActivity extends BaseNfcActivity implements
                 }
                 return true;
             }
+            case R.id.menu_key_view_add_linked_identity: {
+                Intent intent = new Intent(this, LinkedIdWizard.class);
+                intent.setData(mDataUri);
+                startActivity(intent);
+                return true;
+            }
             case R.id.menu_key_view_edit: {
                 editKey(mDataUri);
                 return true;
@@ -377,8 +384,13 @@ public class ViewKeyActivity extends BaseNfcActivity implements
     public boolean onPrepareOptionsMenu(Menu menu) {
         MenuItem editKey = menu.findItem(R.id.menu_key_view_edit);
         editKey.setVisible(mIsSecret);
+
         MenuItem exportKey = menu.findItem(R.id.menu_key_view_export_file);
         exportKey.setVisible(mIsSecret);
+
+        MenuItem addLinked = menu.findItem(R.id.menu_key_view_add_linked_identity);
+        addLinked.setVisible(mIsSecret);
+
         MenuItem certifyFingerprint = menu.findItem(R.id.menu_key_view_certify_fingerprint);
         certifyFingerprint.setVisible(!mIsSecret && !mIsVerified && !mIsExpired && !mIsRevoked);
         MenuItem certifyFingerprintWord = menu.findItem(R.id.menu_key_view_certify_fingerprint_word);
@@ -459,13 +471,13 @@ public class ViewKeyActivity extends BaseNfcActivity implements
             return;
         }
 
-        if (resultCode != Activity.RESULT_OK) {
-            return;
-        }
-
         switch (requestCode) {
             case REQUEST_QR_FINGERPRINT: {
 
+                if (resultCode != Activity.RESULT_OK) {
+                    return;
+                }
+
                 // If there is an EXTRA_RESULT, that's an error. Just show it.
                 if (data.hasExtra(OperationResult.EXTRA_RESULT)) {
                     OperationResult result = data.getParcelableExtra(OperationResult.EXTRA_RESULT);
@@ -487,11 +499,19 @@ public class ViewKeyActivity extends BaseNfcActivity implements
             }
 
             case REQUEST_BACKUP: {
+                if (resultCode != Activity.RESULT_OK) {
+                    return;
+                }
+
                 backupToFile();
                 return;
             }
 
             case REQUEST_CERTIFY: {
+                if (resultCode != Activity.RESULT_OK) {
+                    return;
+                }
+
                 if (data.hasExtra(OperationResult.EXTRA_RESULT)) {
                     OperationResult result = data.getParcelableExtra(OperationResult.EXTRA_RESULT);
                     result.createNotify(this).show();
@@ -500,6 +520,10 @@ public class ViewKeyActivity extends BaseNfcActivity implements
             }
 
             case REQUEST_DELETE: {
+                if (resultCode != Activity.RESULT_OK) {
+                    return;
+                }
+
                 setResult(RESULT_OK, data);
                 finish();
                 return;
@@ -552,7 +576,6 @@ public class ViewKeyActivity extends BaseNfcActivity implements
                             finish();
                         }
                     }, R.string.snack_yubikey_view).show();
-
             // and if it's not found, offer import
         } catch (PgpKeyNotFoundException e) {
             Notify.create(this, R.string.snack_yubi_other, Notify.LENGTH_LONG,
@@ -986,4 +1009,6 @@ public class ViewKeyActivity extends BaseNfcActivity implements
     public boolean onCryptoSetProgress(String msg, int progress, int max) {
         return true;
     }
+
 }
+
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/ViewKeyAdvUserIdsFragment.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/ViewKeyAdvUserIdsFragment.java
index 7bfebaf62..ad437f924 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/ViewKeyAdvUserIdsFragment.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/ViewKeyAdvUserIdsFragment.java
@@ -133,7 +133,7 @@ public class ViewKeyAdvUserIdsFragment extends LoaderFragment implements
             case LOADER_ID_USER_IDS: {
                 Uri baseUri = UserPackets.buildUserIdsUri(mDataUri);
                 return new CursorLoader(getActivity(), baseUri,
-                        UserIdsAdapter.USER_IDS_PROJECTION, null, null, null);
+                        UserIdsAdapter.USER_PACKETS_PROJECTION, null, null, null);
             }
 
             default:
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/ViewKeyFragment.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/ViewKeyFragment.java
index a929d52f0..89e5d741f 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/ViewKeyFragment.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/ViewKeyFragment.java
@@ -18,29 +18,42 @@
 
 package org.sufficientlysecure.keychain.ui;
 
+import java.io.IOException;
 import android.content.ContentResolver;
 import android.content.Context;
 import android.content.Intent;
 import android.database.Cursor;
 import android.graphics.Bitmap;
 import android.net.Uri;
+import android.os.Build;
 import android.os.Bundle;
+import android.os.Handler;
 import android.provider.ContactsContract;
 import android.support.v4.app.LoaderManager;
 import android.support.v4.content.CursorLoader;
 import android.support.v4.content.Loader;
 import android.support.v7.widget.CardView;
+import android.transition.Fade;
+import android.transition.Transition;
+import android.transition.TransitionInflater;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
+import android.widget.AdapterView;
+import android.widget.AdapterView.OnItemClickListener;
+import android.widget.ListView;
+import android.widget.TextView;
 import android.widget.*;
 
 import org.sufficientlysecure.keychain.Constants;
 import org.sufficientlysecure.keychain.R;
 import org.sufficientlysecure.keychain.compatibility.DialogFragmentWorkaround;
+import org.sufficientlysecure.keychain.ui.adapter.LinkedIdsAdapter;
 import org.sufficientlysecure.keychain.provider.KeychainContract;
 import org.sufficientlysecure.keychain.ui.adapter.UserIdsAdapter;
 import org.sufficientlysecure.keychain.ui.dialog.UserIdInfoDialogFragment;
+import org.sufficientlysecure.keychain.ui.linked.LinkedIdViewFragment;
+import org.sufficientlysecure.keychain.ui.linked.LinkedIdViewFragment.OnIdentityLoadedListener;
 import org.sufficientlysecure.keychain.util.ContactHelper;
 import org.sufficientlysecure.keychain.util.Log;
 
@@ -64,6 +77,7 @@ public class ViewKeyFragment extends LoaderFragment implements
     private static final int LOADER_ID_UNIFIED = 0;
     private static final int LOADER_ID_USER_IDS = 1;
     private static final int LOADER_ID_LINKED_CONTACT = 2;
+    private static final int LOADER_ID_LINKED_IDS = 3;
 
     private static final String LOADER_EXTRA_LINKED_CONTACT_MASTER_KEY_ID
             = "loader_linked_contact_master_key_id";
@@ -71,8 +85,13 @@ public class ViewKeyFragment extends LoaderFragment implements
             = "loader_linked_contact_is_secret";
 
     private UserIdsAdapter mUserIdsAdapter;
+    private LinkedIdsAdapter mLinkedIdsAdapter;
 
     private Uri mDataUri;
+    private ListView mLinkedIds;
+    private CardView mLinkedIdsCard;
+    private byte[] mFingerprint;
+    private TextView mLinkedIdsExpander;
 
     /**
      * Creates new instance of this fragment
@@ -93,6 +112,11 @@ public class ViewKeyFragment extends LoaderFragment implements
         View view = inflater.inflate(R.layout.view_key_fragment, getContainer());
 
         mUserIds = (ListView) view.findViewById(R.id.view_key_user_ids);
+        mLinkedIdsCard = (CardView) view.findViewById(R.id.card_linked_ids);
+
+        mLinkedIds = (ListView) view.findViewById(R.id.view_key_linked_ids);
+
+        mLinkedIdsExpander = (TextView) view.findViewById(R.id.view_key_linked_ids_expander);
 
         mUserIds.setOnItemClickListener(new AdapterView.OnItemClickListener() {
             @Override
@@ -100,6 +124,12 @@ public class ViewKeyFragment extends LoaderFragment implements
                 showUserIdInfo(position);
             }
         });
+        mLinkedIds.setOnItemClickListener(new OnItemClickListener() {
+            @Override
+            public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
+                showLinkedId(position);
+            }
+        });
 
         mSystemContactCard = (CardView) view.findViewById(R.id.linked_system_contact_card);
         mSystemContactLayout = (LinearLayout) view.findViewById(R.id.system_contact_layout);
@@ -109,6 +139,47 @@ public class ViewKeyFragment extends LoaderFragment implements
         return root;
     }
 
+    private void showLinkedId(final int position) {
+        final LinkedIdViewFragment frag;
+        try {
+            frag = mLinkedIdsAdapter.getLinkedIdFragment(mDataUri, position, mFingerprint);
+        } catch (IOException e) {
+            e.printStackTrace();
+            return;
+        }
+
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
+            Transition trans = TransitionInflater.from(getActivity())
+                            .inflateTransition(R.transition.linked_id_card_trans);
+            // setSharedElementReturnTransition(trans);
+            setExitTransition(new Fade());
+            frag.setSharedElementEnterTransition(trans);
+        }
+
+        getFragmentManager().beginTransaction()
+                .add(R.id.view_key_fragment, frag)
+                .hide(frag)
+                .commit();
+
+        frag.setOnIdentityLoadedListener(new OnIdentityLoadedListener() {
+            @Override
+            public void onIdentityLoaded() {
+                new Handler().post(new Runnable() {
+                    @Override
+                    public void run() {
+                        getFragmentManager().beginTransaction()
+                                .show(frag)
+                                .addSharedElement(mLinkedIdsCard, "card_linked_ids")
+                                .remove(ViewKeyFragment.this)
+                                .addToBackStack("linked_id")
+                                .commit();
+                    }
+                });
+            }
+        });
+
+    }
+
     private void showUserIdInfo(final int position) {
         if (!mIsSecret) {
             final boolean isRevoked = mUserIdsAdapter.getIsRevoked(position);
@@ -129,8 +200,6 @@ public class ViewKeyFragment extends LoaderFragment implements
      * Hides card if no linked system contact exists. Sets name, picture
      * and onClickListener for the linked system contact's layout.
      * In the case of a secret key, "me" (own profile) contact details are loaded.
-     *
-     * @param contactId
      */
     private void loadLinkedSystemContact(final long contactId) {
         // contact doesn't exist, stop
@@ -188,7 +257,6 @@ public class ViewKeyFragment extends LoaderFragment implements
      * ContactsContract.Contact table)
      *
      * @param contactId _ID for row in ContactsContract.Contacts table
-     * @param context
      */
     private void launchContactActivity(final long contactId, Context context) {
         Intent intent = new Intent(Intent.ACTION_VIEW);
@@ -225,12 +293,17 @@ public class ViewKeyFragment extends LoaderFragment implements
     };
 
     static final int INDEX_MASTER_KEY_ID = 1;
+    @SuppressWarnings("unused")
     static final int INDEX_USER_ID = 2;
+    @SuppressWarnings("unused")
     static final int INDEX_IS_REVOKED = 3;
+    @SuppressWarnings("unused")
     static final int INDEX_IS_EXPIRED = 4;
+    @SuppressWarnings("unused")
     static final int INDEX_VERIFIED = 5;
     static final int INDEX_HAS_ANY_SECRET = 6;
     static final int INDEX_FINGERPRINT = 7;
+    @SuppressWarnings("unused")
     static final int INDEX_HAS_ENCRYPT = 8;
 
     private static final String[] RAWCONTACT_PROJECTION = {
@@ -246,7 +319,6 @@ public class ViewKeyFragment extends LoaderFragment implements
 
         // Prepare the loaders. Either re-connect with an existing ones,
         // or start new ones.
-        // TODO Is this loader the same as the one in the activity?
         getLoaderManager().initLoader(LOADER_ID_UNIFIED, null, this);
     }
 
@@ -259,8 +331,14 @@ public class ViewKeyFragment extends LoaderFragment implements
                 Uri baseUri = KeychainContract.KeyRings.buildUnifiedKeyRingUri(mDataUri);
                 return new CursorLoader(getActivity(), baseUri, UNIFIED_PROJECTION, null, null, null);
             }
-            case LOADER_ID_USER_IDS:
+
+            case LOADER_ID_USER_IDS: {
                 return UserIdsAdapter.createLoader(getActivity(), mDataUri);
+            }
+
+            case LOADER_ID_LINKED_IDS: {
+                return LinkedIdsAdapter.createLoader(getActivity(), mDataUri);
+            }
 
             //we need a separate loader for linked contact to ensure refreshing on verification
             case LOADER_ID_LINKED_CONTACT: {
@@ -310,12 +388,18 @@ public class ViewKeyFragment extends LoaderFragment implements
                 if (data.moveToFirst()) {
 
                     mIsSecret = data.getInt(INDEX_HAS_ANY_SECRET) != 0;
+                    mFingerprint = data.getBlob(INDEX_FINGERPRINT);
 
                     // load user ids after we know if it's a secret key
                     mUserIdsAdapter = new UserIdsAdapter(getActivity(), null, 0, !mIsSecret, null);
                     mUserIds.setAdapter(mUserIdsAdapter);
                     getLoaderManager().initLoader(LOADER_ID_USER_IDS, null, this);
 
+                    mLinkedIdsAdapter =
+                            new LinkedIdsAdapter(getActivity(), null, 0, mIsSecret, mLinkedIdsExpander);
+                    mLinkedIds.setAdapter(mLinkedIdsAdapter);
+                    getLoaderManager().initLoader(LOADER_ID_LINKED_IDS, null, this);
+
                     long masterKeyId = data.getLong(INDEX_MASTER_KEY_ID);
                     // we need to load linked contact here to prevent lag introduced by loader
                     // for the linked contact
@@ -340,6 +424,12 @@ public class ViewKeyFragment extends LoaderFragment implements
                 break;
             }
 
+            case LOADER_ID_LINKED_IDS: {
+                mLinkedIdsAdapter.swapCursor(data);
+                mLinkedIdsCard.setVisibility(mLinkedIdsAdapter.getCount() > 0 ? View.VISIBLE : View.GONE);
+                break;
+            }
+
             case LOADER_ID_LINKED_CONTACT: {
                 if (data.moveToFirst()) {// if we have a linked contact
                     long contactId = data.getLong(INDEX_CONTACT_ID);
@@ -363,6 +453,11 @@ public class ViewKeyFragment extends LoaderFragment implements
                 mUserIdsAdapter.swapCursor(null);
                 break;
             }
+            case LOADER_ID_LINKED_IDS: {
+                mLinkedIdsCard.setVisibility(View.GONE);
+                mLinkedIdsAdapter.swapCursor(null);
+                break;
+            }
         }
     }
 
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/KeyAdapter.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/KeyAdapter.java
index 59d772d63..56d273c7c 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/KeyAdapter.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/KeyAdapter.java
@@ -23,6 +23,7 @@ import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Date;
 import java.util.List;
+import java.util.Date;
 
 import android.content.Context;
 import android.database.Cursor;
@@ -193,9 +194,9 @@ public class KeyAdapter extends CursorAdapter {
                     String dateTime = DateUtils.formatDateTime(context,
                             item.mCreation.getTime(),
                             DateUtils.FORMAT_SHOW_DATE
+                                    | DateUtils.FORMAT_SHOW_TIME
                                     | DateUtils.FORMAT_SHOW_YEAR
                                     | DateUtils.FORMAT_ABBREV_MONTH);
-
                     mCreationDate.setText(context.getString(R.string.label_key_created,
                             dateTime));
                     mCreationDate.setTextColor(textColor);
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/LinkedIdsAdapter.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/LinkedIdsAdapter.java
new file mode 100644
index 000000000..805666bb2
--- /dev/null
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/LinkedIdsAdapter.java
@@ -0,0 +1,233 @@
+/*
+ * Copyright (C) 2014-2015 Dominik Schürmann <dominik@dominikschuermann.de>
+ * Copyright (C) 2015 Vincent Breitmoser <v.breitmoser@mugenguild.com>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package org.sufficientlysecure.keychain.ui.adapter;
+
+import android.animation.ObjectAnimator;
+import android.app.Activity;
+import android.content.Context;
+import android.database.Cursor;
+import android.net.Uri;
+import android.support.v4.content.CursorLoader;
+import android.util.Log;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.ImageView;
+import android.widget.TextView;
+
+import org.sufficientlysecure.keychain.Constants;
+import org.sufficientlysecure.keychain.R;
+import org.sufficientlysecure.keychain.linked.LinkedAttribute;
+import org.sufficientlysecure.keychain.linked.UriAttribute;
+import org.sufficientlysecure.keychain.provider.KeychainContract.Certs;
+import org.sufficientlysecure.keychain.provider.KeychainContract.UserPackets;
+import org.sufficientlysecure.keychain.ui.linked.LinkedIdViewFragment;
+import org.sufficientlysecure.keychain.ui.util.KeyFormattingUtils;
+import org.sufficientlysecure.keychain.ui.util.KeyFormattingUtils.State;
+import org.sufficientlysecure.keychain.ui.util.SubtleAttentionSeeker;
+import org.sufficientlysecure.keychain.util.FilterCursorWrapper;
+
+import java.io.IOException;
+import java.util.WeakHashMap;
+
+public class LinkedIdsAdapter extends UserAttributesAdapter {
+    private final boolean mIsSecret;
+    protected LayoutInflater mInflater;
+    WeakHashMap<Integer,UriAttribute> mLinkedIdentityCache = new WeakHashMap<>();
+
+    private Cursor mUnfilteredCursor;
+
+    private TextView mExpander;
+
+    public LinkedIdsAdapter(Context context, Cursor c, int flags,
+            boolean isSecret, TextView expander) {
+        super(context, c, flags);
+        mInflater = LayoutInflater.from(context);
+        mIsSecret = isSecret;
+
+        if (expander != null) {
+            expander.setVisibility(View.GONE);
+            /* don't show an expander (maybe in some sort of advanced view?)
+            mExpander = expander;
+            mExpander.setOnClickListener(new OnClickListener() {
+                @Override
+                public void onClick(View v) {
+                    showUnfiltered();
+                }
+            });
+            */
+        }
+    }
+
+    @Override
+    public Cursor swapCursor(Cursor cursor) {
+        if (cursor == null) {
+            mUnfilteredCursor = null;
+            return super.swapCursor(null);
+        }
+        mUnfilteredCursor = cursor;
+        FilterCursorWrapper filteredCursor = new FilterCursorWrapper(cursor) {
+            @Override
+            public boolean isVisible(Cursor cursor) {
+                UriAttribute id = getItemAtPosition(cursor);
+                return id instanceof LinkedAttribute;
+            }
+        };
+
+        if (mExpander != null) {
+            int hidden = filteredCursor.getHiddenCount();
+            if (hidden == 0) {
+                mExpander.setVisibility(View.GONE);
+            } else {
+                mExpander.setVisibility(View.VISIBLE);
+                mExpander.setText(mContext.getResources().getQuantityString(
+                        R.plurals.linked_id_expand, hidden));
+            }
+        }
+
+        return super.swapCursor(filteredCursor);
+    }
+
+    private void showUnfiltered() {
+        mExpander.setVisibility(View.GONE);
+        super.swapCursor(mUnfilteredCursor);
+    }
+
+    @Override
+    public void bindView(View view, Context context, Cursor cursor) {
+
+        ViewHolder holder = (ViewHolder) view.getTag();
+
+        if (!mIsSecret) {
+            int isVerified = cursor.getInt(INDEX_VERIFIED);
+            switch (isVerified) {
+                case Certs.VERIFIED_SECRET:
+                    KeyFormattingUtils.setStatusImage(mContext, holder.vVerified,
+                            null, State.VERIFIED, KeyFormattingUtils.DEFAULT_COLOR);
+                    break;
+                case Certs.VERIFIED_SELF:
+                    KeyFormattingUtils.setStatusImage(mContext, holder.vVerified,
+                            null, State.UNVERIFIED, KeyFormattingUtils.DEFAULT_COLOR);
+                    break;
+                default:
+                    KeyFormattingUtils.setStatusImage(mContext, holder.vVerified,
+                            null, State.INVALID, KeyFormattingUtils.DEFAULT_COLOR);
+                    break;
+            }
+        }
+
+        UriAttribute id = getItemAtPosition(cursor);
+        holder.setData(mContext, id);
+
+    }
+
+    public UriAttribute getItemAtPosition(Cursor cursor) {
+        int rank = cursor.getInt(INDEX_RANK);
+        Log.d(Constants.TAG, "requested rank: " + rank);
+
+        UriAttribute ret = mLinkedIdentityCache.get(rank);
+        if (ret != null) {
+            Log.d(Constants.TAG, "cached!");
+            return ret;
+        }
+        Log.d(Constants.TAG, "not cached!");
+
+        try {
+            byte[] data = cursor.getBlob(INDEX_ATTRIBUTE_DATA);
+            ret = LinkedAttribute.fromAttributeData(data);
+            mLinkedIdentityCache.put(rank, ret);
+            return ret;
+        } catch (IOException e) {
+            Log.e(Constants.TAG, "could not read linked identity subpacket data", e);
+            return null;
+        }
+    }
+
+    @Override
+    public UriAttribute getItem(int position) {
+        Cursor cursor = getCursor();
+        cursor.moveToPosition(position);
+        return getItemAtPosition(cursor);
+    }
+
+    @Override
+    public View newView(Context context, Cursor cursor, ViewGroup parent) {
+        View v = mInflater.inflate(R.layout.linked_id_item, null);
+        ViewHolder holder = new ViewHolder(v);
+        v.setTag(holder);
+        return v;
+    }
+
+    // don't show revoked user ids, irrelevant for average users
+    public static final String LINKED_IDS_WHERE = UserPackets.IS_REVOKED + " = 0";
+
+    public static CursorLoader createLoader(Activity activity, Uri dataUri) {
+        Uri baseUri = UserPackets.buildLinkedIdsUri(dataUri);
+        return new CursorLoader(activity, baseUri,
+                UserIdsAdapter.USER_PACKETS_PROJECTION, LINKED_IDS_WHERE, null, null);
+    }
+
+    public LinkedIdViewFragment getLinkedIdFragment(Uri baseUri,
+            int position, byte[] fingerprint) throws IOException {
+        Cursor c = getCursor();
+        c.moveToPosition(position);
+        int rank = c.getInt(UserIdsAdapter.INDEX_RANK);
+
+        Uri dataUri = UserPackets.buildLinkedIdsUri(baseUri);
+        return LinkedIdViewFragment.newInstance(dataUri, rank, mIsSecret, fingerprint);
+    }
+
+    public static class ViewHolder {
+        final public ImageView vVerified;
+        final public ImageView vIcon;
+        final public TextView vTitle;
+        final public TextView vComment;
+
+        public ViewHolder(View view) {
+            vVerified = (ImageView) view.findViewById(R.id.linked_id_certified_icon);
+            vIcon = (ImageView) view.findViewById(R.id.linked_id_type_icon);
+            vTitle = (TextView) view.findViewById(R.id.linked_id_title);
+            vComment = (TextView) view.findViewById(R.id.linked_id_comment);
+        }
+
+        public void setData(Context context, UriAttribute id) {
+
+            vTitle.setText(id.getDisplayTitle(context));
+
+            String comment = id.getDisplayComment(context);
+            if (comment != null) {
+                vComment.setVisibility(View.VISIBLE);
+                vComment.setText(comment);
+            } else {
+                vComment.setVisibility(View.GONE);
+            }
+
+            vIcon.setImageResource(id.getDisplayIcon());
+
+        }
+
+        public void seekAttention() {
+            ObjectAnimator anim = SubtleAttentionSeeker.tintText(vComment, 1000);
+            anim.setStartDelay(200);
+            anim.start();
+        }
+
+    }
+
+}
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/LinkedIdsCertAdapter.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/LinkedIdsCertAdapter.java
new file mode 100644
index 000000000..5ecd9f408
--- /dev/null
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/LinkedIdsCertAdapter.java
@@ -0,0 +1,57 @@
+package org.sufficientlysecure.keychain.ui.adapter;
+
+
+import android.app.Activity;
+import android.content.Context;
+import android.database.Cursor;
+import android.net.Uri;
+import android.support.v4.content.CursorLoader;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.CursorAdapter;
+
+import org.sufficientlysecure.keychain.provider.KeychainContract.UserPackets;
+
+
+public class LinkedIdsCertAdapter extends CursorAdapter {
+
+    public static final String[] USER_CERTS_PROJECTION = new String[]{
+            UserPackets._ID,
+            UserPackets.TYPE,
+            UserPackets.USER_ID,
+            UserPackets.ATTRIBUTE_DATA,
+            UserPackets.RANK,
+            UserPackets.VERIFIED,
+            UserPackets.IS_PRIMARY,
+            UserPackets.IS_REVOKED
+    };
+    protected static final int INDEX_ID = 0;
+    protected static final int INDEX_TYPE = 1;
+    protected static final int INDEX_USER_ID = 2;
+    protected static final int INDEX_ATTRIBUTE_DATA = 3;
+    protected static final int INDEX_RANK = 4;
+    protected static final int INDEX_VERIFIED = 5;
+    protected static final int INDEX_IS_PRIMARY = 6;
+    protected static final int INDEX_IS_REVOKED = 7;
+
+    public LinkedIdsCertAdapter(Context context, Cursor c, int flags) {
+        super(context, c, flags);
+    }
+
+    @Override
+    public void bindView(View view, Context context, Cursor cursor) {
+
+    }
+
+    @Override
+    public View newView(Context context, Cursor cursor, ViewGroup parent) {
+        return null;
+    }
+
+    public static CursorLoader createLoader(Activity activity, Uri dataUri) {
+        Uri baseUri = UserPackets.buildLinkedIdsUri(dataUri);
+        return new CursorLoader(activity, baseUri,
+                UserIdsAdapter.USER_PACKETS_PROJECTION, null, null, null);
+    }
+
+}
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/MultiUserIdsAdapter.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/MultiUserIdsAdapter.java
index 6b16e8445..b91abf076 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/MultiUserIdsAdapter.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/MultiUserIdsAdapter.java
@@ -171,7 +171,7 @@ public class MultiUserIdsAdapter extends CursorAdapter {
 
                 CertifyAction action = actions.get(keyId);
                 if (actions.get(keyId) == null) {
-                    actions.put(keyId, new CertifyAction(keyId, uids));
+                    actions.put(keyId, new CertifyAction(keyId, uids, null));
                 } else {
                     action.mUserIds.addAll(uids);
                 }
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/SelectKeyCursorAdapter.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/SelectKeyCursorAdapter.java
index 4ea651bb5..f01f25200 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/SelectKeyCursorAdapter.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/SelectKeyCursorAdapter.java
@@ -137,9 +137,9 @@ abstract public class SelectKeyCursorAdapter extends CursorAdapter {
             String dateTime = DateUtils.formatDateTime(context,
                     cursor.getLong(mIndexCreation) * 1000,
                     DateUtils.FORMAT_SHOW_DATE
+                            | DateUtils.FORMAT_SHOW_TIME
                             | DateUtils.FORMAT_SHOW_YEAR
                             | DateUtils.FORMAT_ABBREV_MONTH);
-
             h.creation.setText(context.getString(R.string.label_key_created, dateTime));
             h.creation.setVisibility(View.VISIBLE);
         } else {
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/UserAttributesAdapter.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/UserAttributesAdapter.java
index 457083770..e0abaf4b0 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/UserAttributesAdapter.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/UserAttributesAdapter.java
@@ -8,22 +8,24 @@ import android.view.View;
 import org.sufficientlysecure.keychain.provider.KeychainContract.UserPackets;
 
 public abstract class UserAttributesAdapter extends CursorAdapter {
-    public static final String[] USER_IDS_PROJECTION = new String[]{
+    public static final String[] USER_PACKETS_PROJECTION = new String[]{
             UserPackets._ID,
             UserPackets.TYPE,
             UserPackets.USER_ID,
+            UserPackets.ATTRIBUTE_DATA,
             UserPackets.RANK,
             UserPackets.VERIFIED,
             UserPackets.IS_PRIMARY,
             UserPackets.IS_REVOKED
     };
-    protected static final int INDEX_ID = 0;
-    protected static final int INDEX_TYPE = 1;
-    protected static final int INDEX_USER_ID = 2;
-    protected static final int INDEX_RANK = 3;
-    protected static final int INDEX_VERIFIED = 4;
-    protected static final int INDEX_IS_PRIMARY = 5;
-    protected static final int INDEX_IS_REVOKED = 6;
+    public static final int INDEX_ID = 0;
+    public static final int INDEX_TYPE = 1;
+    public static final int INDEX_USER_ID = 2;
+    public static final int INDEX_ATTRIBUTE_DATA = 3;
+    public static final int INDEX_RANK = 4;
+    public static final int INDEX_VERIFIED = 5;
+    public static final int INDEX_IS_PRIMARY = 6;
+    public static final int INDEX_IS_REVOKED = 7;
 
     public UserAttributesAdapter(Context context, Cursor c, int flags) {
         super(context, c, flags);
@@ -46,4 +48,5 @@ public abstract class UserAttributesAdapter extends CursorAdapter {
         mCursor.moveToPosition(position);
         return mCursor.getInt(INDEX_VERIFIED);
     }
+
 }
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/UserIdsAdapter.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/UserIdsAdapter.java
index e2c6b0928..0f4312dad 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/UserIdsAdapter.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/UserIdsAdapter.java
@@ -188,7 +188,7 @@ public class UserIdsAdapter extends UserAttributesAdapter {
     public static CursorLoader createLoader(Activity activity, Uri dataUri) {
         Uri baseUri = UserPackets.buildUserIdsUri(dataUri);
         return new CursorLoader(activity, baseUri,
-                UserIdsAdapter.USER_IDS_PROJECTION, USER_IDS_WHERE, null, null);
+                UserIdsAdapter.USER_PACKETS_PROJECTION, USER_IDS_WHERE, null, null);
     }
 
 }
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/base/CryptoOperationFragment.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/base/CryptoOperationFragment.java
index 52507f3e9..de90d48fd 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/base/CryptoOperationFragment.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/base/CryptoOperationFragment.java
@@ -18,9 +18,9 @@
 
 package org.sufficientlysecure.keychain.ui.base;
 
+
 import android.content.Context;
 import android.content.Intent;
-import android.os.Bundle;
 import android.os.Parcelable;
 import android.support.annotation.Nullable;
 import android.support.v4.app.Fragment;
@@ -50,17 +50,21 @@ import org.sufficientlysecure.keychain.service.input.CryptoInputParcel;
  * @see KeychainService
  *
  */
-abstract class CryptoOperationFragment<T extends Parcelable, S extends OperationResult>
+public abstract class CryptoOperationFragment<T extends Parcelable, S extends OperationResult>
         extends Fragment implements CryptoOperationHelper.Callback<T, S> {
 
     final private CryptoOperationHelper<T, S> mOperationHelper;
 
+    public CryptoOperationFragment() {
+        mOperationHelper = new CryptoOperationHelper<>(1, this, this, R.string.progress_processing);
+    }
+
     public CryptoOperationFragment(Integer initialProgressMsg) {
         mOperationHelper = new CryptoOperationHelper<>(1, this, this, initialProgressMsg);
     }
 
-    public CryptoOperationFragment() {
-        mOperationHelper = new CryptoOperationHelper<>(1, this, this, R.string.progress_processing);
+    public CryptoOperationFragment(int id, Integer initialProgressMsg) {
+        mOperationHelper = new CryptoOperationHelper<>(id, this, this, initialProgressMsg);
     }
 
     @Override
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/base/CryptoOperationHelper.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/base/CryptoOperationHelper.java
index b33128978..6d7bf4cd0 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/base/CryptoOperationHelper.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/base/CryptoOperationHelper.java
@@ -70,9 +70,11 @@ public class CryptoOperationHelper<T extends Parcelable, S extends OperationResu
     // particular helper. a request code looks as follows:
     // (id << 9) + (1<<8) + REQUEST_CODE_X
     // that is, starting from LSB, there are 8 bits request code, 1
-    // fixed bit set, then 7 bit operator-id code. the first two
-    // summands are stored in the mId for easy operation.
-    private final int mId;
+    // fixed bit set, then 7 bit helper-id code. the first two
+    // summands are stored in the mHelperId for easy operation.
+    private final int mHelperId;
+    // bitmask for helperId is everything except the least 8 bits
+    public static final int HELPER_ID_BITMASK = ~0xff;
 
     public static final int REQUEST_CODE_PASSPHRASE = 1;
     public static final int REQUEST_CODE_NFC = 2;
@@ -92,7 +94,7 @@ public class CryptoOperationHelper<T extends Parcelable, S extends OperationResu
      */
     public CryptoOperationHelper(int id, FragmentActivity activity, Callback<T, S> callback,
             Integer progressMessageString) {
-        mId = (id << 9) + (1<<8);
+        mHelperId = (id << 9) + (1<<8);
         mActivity = activity;
         mUseFragment = false;
         mCallback = callback;
@@ -103,7 +105,7 @@ public class CryptoOperationHelper<T extends Parcelable, S extends OperationResu
      * if OperationHelper is being integrated into a fragment
      */
     public CryptoOperationHelper(int id, Fragment fragment, Callback<T, S> callback, Integer progressMessageString) {
-        mId = (id << 9) + (1<<8);
+        mHelperId = (id << 9) + (1<<8);
         mFragment = fragment;
         mUseFragment = true;
         mProgressMessageResource = progressMessageString;
@@ -162,9 +164,9 @@ public class CryptoOperationHelper<T extends Parcelable, S extends OperationResu
 
     protected void startActivityForResult(Intent intent, int requestCode) {
         if (mUseFragment) {
-            mFragment.startActivityForResult(intent, mId + requestCode);
+            mFragment.startActivityForResult(intent, mHelperId + requestCode);
         } else {
-            mActivity.startActivityForResult(intent, mId + requestCode);
+            mActivity.startActivityForResult(intent, mHelperId + requestCode);
         }
     }
 
@@ -176,13 +178,13 @@ public class CryptoOperationHelper<T extends Parcelable, S extends OperationResu
     public boolean handleActivityResult(int requestCode, int resultCode, Intent data) {
         Log.d(Constants.TAG, "received activity result in OperationHelper");
 
-        if ((requestCode & mId) != mId) {
+        if ((requestCode & HELPER_ID_BITMASK) != mHelperId) {
             // this wasn't meant for us to handle
             return false;
         }
         Log.d(Constants.TAG, "handling activity result in OperationHelper");
-        // filter out mId from requestCode
-        requestCode ^= mId;
+        // filter out mHelperId from requestCode
+        requestCode ^= mHelperId;
 
         if (resultCode == Activity.RESULT_CANCELED) {
             mCallback.onCryptoOperationCancelled();
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/linked/LinkedIdCreateDnsStep1Fragment.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/linked/LinkedIdCreateDnsStep1Fragment.java
new file mode 100644
index 000000000..c54d0c948
--- /dev/null
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/linked/LinkedIdCreateDnsStep1Fragment.java
@@ -0,0 +1,129 @@
+/*
+ * Copyright (C) 2014 Dominik Schürmann <dominik@dominikschuermann.de>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package org.sufficientlysecure.keychain.ui.linked;
+
+import android.os.Bundle;
+import android.support.v4.app.Fragment;
+import android.text.Editable;
+import android.text.TextWatcher;
+import android.util.Patterns;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.View.OnClickListener;
+import android.view.ViewGroup;
+import android.widget.EditText;
+
+import org.sufficientlysecure.keychain.R;
+import org.sufficientlysecure.keychain.linked.resources.DnsResource;
+
+public class LinkedIdCreateDnsStep1Fragment extends Fragment {
+
+    LinkedIdWizard mLinkedIdWizard;
+
+    EditText mEditDns;
+
+    /**
+     * Creates new instance of this fragment
+     */
+    public static LinkedIdCreateDnsStep1Fragment newInstance() {
+        LinkedIdCreateDnsStep1Fragment frag = new LinkedIdCreateDnsStep1Fragment();
+
+        Bundle args = new Bundle();
+        frag.setArguments(args);
+
+        return frag;
+    }
+
+    @Override
+    public void onActivityCreated(Bundle savedInstanceState) {
+        super.onActivityCreated(savedInstanceState);
+
+        mLinkedIdWizard = (LinkedIdWizard) getActivity();
+
+    }
+
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
+        final View view = inflater.inflate(R.layout.linked_create_dns_fragment_step1, container, false);
+
+        view.findViewById(R.id.next_button).setOnClickListener(new OnClickListener() {
+            @Override
+            public void onClick(View v) {
+
+                String uri = mEditDns.getText().toString();
+
+                if (!checkUri(uri)) {
+                    mEditDns.setError("Please enter a valid domain name!");
+                    return;
+                }
+
+                String proofText = DnsResource.generateText(
+                        mLinkedIdWizard.mFingerprint);
+
+                LinkedIdCreateDnsStep2Fragment frag =
+                        LinkedIdCreateDnsStep2Fragment.newInstance(uri, proofText);
+
+                mLinkedIdWizard.loadFragment(null, frag, LinkedIdWizard.FRAG_ACTION_TO_RIGHT);
+
+            }
+        });
+
+        view.findViewById(R.id.back_button).setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                mLinkedIdWizard.loadFragment(null, null, LinkedIdWizard.FRAG_ACTION_TO_LEFT);
+            }
+        });
+
+        mEditDns = (EditText) view.findViewById(R.id.linked_create_dns_domain);
+
+        mEditDns.addTextChangedListener(new TextWatcher() {
+            @Override
+            public void beforeTextChanged(CharSequence charSequence, int i, int i2, int i3) {
+            }
+
+            @Override
+            public void onTextChanged(CharSequence charSequence, int i, int i2, int i3) {
+            }
+
+            @Override
+            public void afterTextChanged(Editable editable) {
+                String uri = editable.toString();
+                if (uri.length() > 0) {
+                    if (checkUri(uri)) {
+                        mEditDns.setCompoundDrawablesWithIntrinsicBounds(0, 0,
+                                R.drawable.ic_stat_retyped_ok, 0);
+                    } else {
+                        mEditDns.setCompoundDrawablesWithIntrinsicBounds(0, 0,
+                                R.drawable.ic_stat_retyped_bad, 0);
+                    }
+                } else {
+                    // remove drawable if email is empty
+                    mEditDns.setCompoundDrawablesWithIntrinsicBounds(0, 0, 0, 0);
+                }
+            }
+        });
+
+        return view;
+    }
+
+    private static boolean checkUri(String uri) {
+        return Patterns.DOMAIN_NAME.matcher(uri).matches();
+    }
+
+}
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/linked/LinkedIdCreateDnsStep2Fragment.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/linked/LinkedIdCreateDnsStep2Fragment.java
new file mode 100644
index 000000000..c9eca8882
--- /dev/null
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/linked/LinkedIdCreateDnsStep2Fragment.java
@@ -0,0 +1,172 @@
+/*
+ * Copyright (C) 2014 Dominik Schürmann <dominik@dominikschuermann.de>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package org.sufficientlysecure.keychain.ui.linked;
+
+
+import java.io.FileNotFoundException;
+import java.io.PrintWriter;
+
+import android.app.Activity;
+import android.content.ClipData;
+import android.content.ClipboardManager;
+import android.content.Context;
+import android.content.Intent;
+import android.net.Uri;
+import android.os.Bundle;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.View.OnClickListener;
+import android.view.ViewGroup;
+import android.widget.TextView;
+
+import org.sufficientlysecure.keychain.Constants;
+import org.sufficientlysecure.keychain.R;
+import org.sufficientlysecure.keychain.linked.LinkedTokenResource;
+import org.sufficientlysecure.keychain.linked.resources.DnsResource;
+import org.sufficientlysecure.keychain.operations.results.OperationResult.OperationLog;
+import org.sufficientlysecure.keychain.ui.util.Notify;
+import org.sufficientlysecure.keychain.ui.util.Notify.Style;
+
+public class LinkedIdCreateDnsStep2Fragment extends LinkedIdCreateFinalFragment {
+
+    private static final int REQUEST_CODE_OUTPUT = 0x00007007;
+
+    public static final String DOMAIN = "domain", TEXT = "text";
+
+    TextView mTextView;
+
+    String mResourceDomain;
+    String mResourceString;
+
+    public static LinkedIdCreateDnsStep2Fragment newInstance
+            (String uri, String proofText) {
+
+        LinkedIdCreateDnsStep2Fragment frag = new LinkedIdCreateDnsStep2Fragment();
+
+        Bundle args = new Bundle();
+        args.putString(DOMAIN, uri);
+        args.putString(TEXT, proofText);
+        frag.setArguments(args);
+
+        return frag;
+    }
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+
+        mResourceDomain = getArguments().getString(DOMAIN);
+        mResourceString = getArguments().getString(TEXT);
+
+    }
+
+    @Override
+    protected View newView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
+        return inflater.inflate(R.layout.linked_create_dns_fragment_step2, container, false);
+    }
+
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
+        View view = super.onCreateView(inflater, container, savedInstanceState);
+
+        if (view != null) {
+
+            view.findViewById(R.id.button_send).setOnClickListener(new OnClickListener() {
+                @Override
+                public void onClick(View v) {
+                    proofSend();
+                }
+            });
+
+            view.findViewById(R.id.button_save).setOnClickListener(new OnClickListener() {
+                @Override
+                public void onClick(View v) {
+                    proofToClipboard();
+                }
+            });
+
+            mTextView = (TextView) view.findViewById(R.id.linked_create_dns_text);
+            mTextView.setText(mResourceString);
+
+        }
+
+        return view;
+    }
+
+    @Override
+    LinkedTokenResource getResource(OperationLog log) {
+        return DnsResource.createNew(mResourceDomain);
+    }
+
+    private void proofSend () {
+        Intent sendIntent = new Intent();
+        sendIntent.setAction(Intent.ACTION_SEND);
+        sendIntent.putExtra(Intent.EXTRA_TEXT, mResourceString);
+        sendIntent.setType("text/plain");
+        startActivity(sendIntent);
+    }
+
+    private void proofToClipboard() {
+        Activity activity = getActivity();
+        if (activity == null) {
+            return;
+        }
+
+        ClipboardManager clipMan = (ClipboardManager) activity.getSystemService(Context.CLIPBOARD_SERVICE);
+        if (clipMan == null) {
+            Notify.create(activity, R.string.error_clipboard_copy, Style.ERROR).show();
+            return;
+        }
+
+        ClipData clip = ClipData.newPlainText(Constants.CLIPBOARD_LABEL, mResourceString);
+        clipMan.setPrimaryClip(clip);
+
+        Notify.create(getActivity(), R.string.linked_text_clipboard, Notify.Style.OK).show();
+    }
+
+    private void saveFile(Uri uri) {
+        try {
+            PrintWriter out =
+                    new PrintWriter(getActivity().getContentResolver().openOutputStream(uri));
+            out.print(mResourceString);
+            if (out.checkError()) {
+                Notify.create(getActivity(), "Error writing file!", Style.ERROR).show();
+            }
+        } catch (FileNotFoundException e) {
+            Notify.create(getActivity(), "File could not be opened for writing!", Style.ERROR).show();
+            e.printStackTrace();
+        }
+    }
+
+    @Override
+    public void onActivityResult(int requestCode, int resultCode, Intent data) {
+        switch (requestCode) {
+            // For saving a file
+            case REQUEST_CODE_OUTPUT:
+                if (data == null) {
+                    return;
+                }
+                Uri uri = data.getData();
+                saveFile(uri);
+                break;
+            default:
+                super.onActivityResult(requestCode, resultCode, data);
+        }
+    }
+
+}
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/linked/LinkedIdCreateFinalFragment.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/linked/LinkedIdCreateFinalFragment.java
new file mode 100644
index 000000000..24499a467
--- /dev/null
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/linked/LinkedIdCreateFinalFragment.java
@@ -0,0 +1,221 @@
+package org.sufficientlysecure.keychain.ui.linked;
+
+
+import android.graphics.PorterDuff;
+import android.os.AsyncTask;
+import android.os.Bundle;
+import android.os.Parcelable;
+import android.support.annotation.Nullable;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.View.OnClickListener;
+import android.view.ViewGroup;
+import android.widget.ImageView;
+import android.widget.TextView;
+import android.widget.ViewAnimator;
+
+import org.sufficientlysecure.keychain.R;
+import org.sufficientlysecure.keychain.linked.LinkedAttribute;
+import org.sufficientlysecure.keychain.linked.LinkedTokenResource;
+import org.sufficientlysecure.keychain.operations.results.LinkedVerifyResult;
+import org.sufficientlysecure.keychain.operations.results.OperationResult;
+import org.sufficientlysecure.keychain.operations.results.OperationResult.OperationLog;
+import org.sufficientlysecure.keychain.pgp.WrappedUserAttribute;
+import org.sufficientlysecure.keychain.service.SaveKeyringParcel;
+import org.sufficientlysecure.keychain.service.input.CryptoInputParcel;
+import org.sufficientlysecure.keychain.ui.base.CryptoOperationFragment;
+import org.sufficientlysecure.keychain.ui.util.Notify;
+
+
+public abstract class LinkedIdCreateFinalFragment extends CryptoOperationFragment {
+
+    protected LinkedIdWizard mLinkedIdWizard;
+
+    private ImageView mVerifyImage;
+    private TextView mVerifyStatus;
+    private ViewAnimator mVerifyAnimator;
+
+    // This is a resource, set AFTER it has been verified
+    LinkedTokenResource mVerifiedResource = null;
+    private ViewAnimator mVerifyButtonAnimator;
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+
+        mLinkedIdWizard = (LinkedIdWizard) getActivity();
+    }
+
+    protected abstract View newView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState);
+
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
+        final View view = newView(inflater, container, savedInstanceState);
+
+        view.findViewById(R.id.next_button).setOnClickListener(new OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                cryptoOperation();
+            }
+        });
+
+        view.findViewById(R.id.back_button).setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                mLinkedIdWizard.loadFragment(null, null, LinkedIdWizard.FRAG_ACTION_TO_LEFT);
+            }
+        });
+
+        mVerifyAnimator = (ViewAnimator) view.findViewById(R.id.verify_progress);
+        mVerifyImage = (ImageView) view.findViewById(R.id.verify_image);
+        mVerifyStatus = (TextView) view.findViewById(R.id.verify_status);
+        mVerifyButtonAnimator = (ViewAnimator) view.findViewById(R.id.verify_buttons);
+
+        view.findViewById(R.id.button_verify).setOnClickListener(new OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                proofVerify();
+            }
+        });
+
+        view.findViewById(R.id.button_retry).setOnClickListener(new OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                proofVerify();
+            }
+        });
+
+        setVerifyProgress(false, null);
+        mVerifyStatus.setText(R.string.linked_verify_pending);
+
+        return view;
+    }
+
+    abstract LinkedTokenResource getResource(OperationLog log);
+
+    private void setVerifyProgress(boolean on, Boolean success) {
+        if (success == null) {
+            mVerifyStatus.setText(R.string.linked_verifying);
+            displayButton(on ? 2 : 0);
+        } else if (success) {
+            mVerifyStatus.setText(R.string.linked_verify_success);
+            mVerifyImage.setImageResource(R.drawable.status_signature_verified_cutout_24dp);
+            mVerifyImage.setColorFilter(getResources().getColor(R.color.android_green_dark),
+                    PorterDuff.Mode.SRC_IN);
+            displayButton(2);
+        } else {
+            mVerifyStatus.setText(R.string.linked_verify_error);
+            mVerifyImage.setImageResource(R.drawable.status_signature_unknown_cutout_24dp);
+            mVerifyImage.setColorFilter(getResources().getColor(R.color.android_red_dark),
+                    PorterDuff.Mode.SRC_IN);
+            displayButton(1);
+        }
+        mVerifyAnimator.setDisplayedChild(on ? 1 : 0);
+    }
+
+    public void displayButton(int button) {
+        if (mVerifyButtonAnimator.getDisplayedChild() == button) {
+            return;
+        }
+        mVerifyButtonAnimator.setDisplayedChild(button);
+    }
+
+    protected void proofVerify() {
+        setVerifyProgress(true, null);
+
+        new AsyncTask<Void,Void,LinkedVerifyResult>() {
+
+            @Override
+            protected LinkedVerifyResult doInBackground(Void... params) {
+                long timer = System.currentTimeMillis();
+
+                OperationLog log = new OperationLog();
+                LinkedTokenResource resource = getResource(log);
+                if (resource == null) {
+                    return new LinkedVerifyResult(LinkedVerifyResult.RESULT_ERROR, log);
+                }
+
+                LinkedVerifyResult result = resource.verify(getActivity(), mLinkedIdWizard.mFingerprint);
+
+                // ux flow: this operation should take at last a second
+                timer = System.currentTimeMillis() -timer;
+                if (timer < 1000) try {
+                    Thread.sleep(1000 -timer);
+                } catch (InterruptedException e) {
+                    // never mind
+                }
+
+                if (result.success()) {
+                    mVerifiedResource = resource;
+                }
+                return result;
+            }
+
+            @Override
+            protected void onPostExecute(LinkedVerifyResult result) {
+                super.onPostExecute(result);
+                if (result.success()) {
+                    setVerifyProgress(false, true);
+                } else {
+                    setVerifyProgress(false, false);
+                    // on error, show error message
+                    result.createNotify(getActivity()).show(LinkedIdCreateFinalFragment.this);
+                }
+            }
+        }.execute();
+
+    }
+
+    @Override
+    protected void cryptoOperation() {
+        if (mVerifiedResource == null) {
+            Notify.create(getActivity(), R.string.linked_need_verify, Notify.Style.ERROR)
+                    .show(LinkedIdCreateFinalFragment.this);
+            return;
+        }
+
+        super.cryptoOperation();
+    }
+
+    @Override
+    protected void cryptoOperation(CryptoInputParcel cryptoInput) {
+        if (mVerifiedResource == null) {
+            Notify.create(getActivity(), R.string.linked_need_verify, Notify.Style.ERROR)
+                    .show(LinkedIdCreateFinalFragment.this);
+            return;
+        }
+
+        super.cryptoOperation(cryptoInput);
+    }
+
+    @Nullable
+    @Override
+    public Parcelable createOperationInput() {
+        SaveKeyringParcel skp =
+                new SaveKeyringParcel(mLinkedIdWizard.mMasterKeyId, mLinkedIdWizard.mFingerprint);
+
+        WrappedUserAttribute ua =
+                LinkedAttribute.fromResource(mVerifiedResource).toUserAttribute();
+
+        skp.mAddUserAttribute.add(ua);
+
+        return skp;
+    }
+
+    @Override
+    public void onCryptoOperationSuccess(OperationResult result) {
+        // if bad -> display here!
+        if (!result.success()) {
+            result.createNotify(getActivity()).show(LinkedIdCreateFinalFragment.this);
+            return;
+        }
+
+        getActivity().finish();
+    }
+
+    @Override
+    public void onCryptoOperationError(OperationResult result) {
+
+    }
+
+}
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/linked/LinkedIdCreateGithubStep1Fragment.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/linked/LinkedIdCreateGithubStep1Fragment.java
new file mode 100644
index 000000000..b166b3e4f
--- /dev/null
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/linked/LinkedIdCreateGithubStep1Fragment.java
@@ -0,0 +1,125 @@
+/*
+ * Copyright (C) 2014 Dominik Schürmann <dominik@dominikschuermann.de>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package org.sufficientlysecure.keychain.ui.linked;
+
+import android.os.AsyncTask;
+import android.os.Bundle;
+import android.support.v4.app.Fragment;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.View.OnClickListener;
+import android.view.ViewGroup;
+import android.widget.EditText;
+
+import org.sufficientlysecure.keychain.R;
+import org.sufficientlysecure.keychain.ui.util.Notify;
+
+
+public class LinkedIdCreateGithubStep1Fragment extends Fragment {
+
+    LinkedIdWizard mLinkedIdWizard;
+
+    EditText mEditHandle;
+
+    public static LinkedIdCreateGithubStep1Fragment newInstance() {
+        LinkedIdCreateGithubStep1Fragment frag = new LinkedIdCreateGithubStep1Fragment();
+
+        Bundle args = new Bundle();
+        frag.setArguments(args);
+
+        return frag;
+    }
+
+    @Override
+    public void onActivityCreated(Bundle savedInstanceState) {
+        super.onActivityCreated(savedInstanceState);
+
+        mLinkedIdWizard = (LinkedIdWizard) getActivity();
+
+    }
+
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
+        final View view = inflater.inflate(R.layout.linked_create_github_fragment_step1, container, false);
+
+        view.findViewById(R.id.next_button).setOnClickListener(new OnClickListener() {
+            @Override
+            public void onClick(View v) {
+
+                final String handle = mEditHandle.getText().toString();
+
+                new AsyncTask<Void,Void,Boolean>() {
+
+                    @Override
+                    protected Boolean doInBackground(Void... params) {
+                        return true; // return checkHandle(handle);
+                    }
+
+                    @Override
+                    protected void onPostExecute(Boolean result) {
+                        super.onPostExecute(result);
+
+                        if (result == null) {
+                            Notify.create(getActivity(),
+                                    "Connection error while checking username!", Notify.Style.ERROR).show();
+                            return;
+                        }
+
+                        if (!result) {
+                            Notify.create(getActivity(),
+                                    "This handle does not exist on Github!", Notify.Style.ERROR).show();
+                            return;
+                        }
+
+                        LinkedIdCreateGithubStep2Fragment frag =
+                                LinkedIdCreateGithubStep2Fragment.newInstance(handle);
+
+                        mLinkedIdWizard.loadFragment(null, frag, LinkedIdWizard.FRAG_ACTION_TO_RIGHT);
+                    }
+                }.execute();
+
+            }
+        });
+
+        view.findViewById(R.id.back_button).setOnClickListener(new OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                mLinkedIdWizard.loadFragment(null, null, LinkedIdWizard.FRAG_ACTION_TO_LEFT);
+            }
+        });
+
+        mEditHandle = (EditText) view.findViewById(R.id.linked_create_github_handle);
+
+        return view;
+    }
+
+    /* not used at this point, too much hassle
+    private static Boolean checkHandle(String handle) {
+        try {
+            HttpURLConnection nection =
+                    (HttpURLConnection) new URL("https://api.github.com/" + handle).openConnection();
+            nection.setRequestMethod("HEAD");
+            return nection.getResponseCode() == 200;
+        } catch (IOException e) {
+            e.printStackTrace();
+            return null;
+        }
+    }
+    */
+
+}
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/linked/LinkedIdCreateGithubStep2Fragment.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/linked/LinkedIdCreateGithubStep2Fragment.java
new file mode 100644
index 000000000..a3a8c779f
--- /dev/null
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/linked/LinkedIdCreateGithubStep2Fragment.java
@@ -0,0 +1,116 @@
+/*
+ * Copyright (C) 2014 Dominik Schürmann <dominik@dominikschuermann.de>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package org.sufficientlysecure.keychain.ui.linked;
+
+import android.content.Intent;
+import android.net.Uri;
+import android.os.Bundle;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.View.OnClickListener;
+import android.view.ViewGroup;
+
+import org.sufficientlysecure.keychain.R;
+import org.sufficientlysecure.keychain.operations.results.OperationResult.OperationLog;
+import org.sufficientlysecure.keychain.linked.LinkedTokenResource;
+import org.sufficientlysecure.keychain.linked.resources.GithubResource;
+
+
+public class LinkedIdCreateGithubStep2Fragment extends LinkedIdCreateFinalFragment {
+
+    public static final String ARG_HANDLE = "handle";
+
+    String mResourceHandle;
+    String mResourceString;
+
+    public static LinkedIdCreateGithubStep2Fragment newInstance
+            (String handle) {
+
+        LinkedIdCreateGithubStep2Fragment frag = new LinkedIdCreateGithubStep2Fragment();
+
+        Bundle args = new Bundle();
+        args.putString(ARG_HANDLE, handle);
+        frag.setArguments(args);
+
+        return frag;
+    }
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+
+        mResourceString =
+                GithubResource.generate(getActivity(), mLinkedIdWizard.mFingerprint);
+
+        mResourceHandle = getArguments().getString(ARG_HANDLE);
+
+    }
+
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
+        View view = super.onCreateView(inflater, container, savedInstanceState);
+
+        if (view != null) {
+
+            view.findViewById(R.id.button_send).setOnClickListener(new OnClickListener() {
+                @Override
+                public void onClick(View v) {
+                    proofSend();
+                }
+            });
+
+            view.findViewById(R.id.button_share).setOnClickListener(new OnClickListener() {
+                @Override
+                public void onClick(View v) {
+                    proofShare();
+                }
+            });
+
+        }
+
+        return view;
+    }
+
+    @Override
+    LinkedTokenResource getResource(OperationLog log) {
+        return GithubResource.searchInGithubStream(getActivity(), mResourceHandle, mResourceString, log);
+    }
+
+    @Override
+    protected View newView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
+        return inflater.inflate(R.layout.linked_create_github_fragment_step2, container, false);
+    }
+
+    private void proofShare() {
+        Intent sendIntent = new Intent();
+        sendIntent.setAction(Intent.ACTION_SEND);
+        sendIntent.putExtra(Intent.EXTRA_TEXT, mResourceString);
+        sendIntent.setType("text/plain");
+        startActivity(sendIntent);
+    }
+
+    private void proofSend() {
+        Uri.Builder builder = Uri.parse("https://gist.github.com/").buildUpon();
+        builder.appendQueryParameter("text", mResourceString);
+        Uri uri = builder.build();
+
+        Intent intent = new Intent(Intent.ACTION_VIEW, uri);
+        getActivity().startActivity(intent);
+    }
+
+}
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/linked/LinkedIdCreateHttpsStep1Fragment.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/linked/LinkedIdCreateHttpsStep1Fragment.java
new file mode 100644
index 000000000..8a05c35db
--- /dev/null
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/linked/LinkedIdCreateHttpsStep1Fragment.java
@@ -0,0 +1,127 @@
+/*
+ * Copyright (C) 2014 Dominik Schürmann <dominik@dominikschuermann.de>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package org.sufficientlysecure.keychain.ui.linked;
+
+import android.os.Bundle;
+import android.support.v4.app.Fragment;
+import android.text.Editable;
+import android.text.TextWatcher;
+import android.util.Patterns;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.View.OnClickListener;
+import android.view.ViewGroup;
+import android.widget.EditText;
+
+import org.sufficientlysecure.keychain.R;
+import org.sufficientlysecure.keychain.linked.resources.GenericHttpsResource;
+
+public class LinkedIdCreateHttpsStep1Fragment extends Fragment {
+
+    LinkedIdWizard mLinkedIdWizard;
+
+    EditText mEditUri;
+
+    public static LinkedIdCreateHttpsStep1Fragment newInstance() {
+        LinkedIdCreateHttpsStep1Fragment frag = new LinkedIdCreateHttpsStep1Fragment();
+
+        Bundle args = new Bundle();
+        frag.setArguments(args);
+
+        return frag;
+    }
+
+    @Override
+    public void onActivityCreated(Bundle savedInstanceState) {
+        super.onActivityCreated(savedInstanceState);
+
+        mLinkedIdWizard = (LinkedIdWizard) getActivity();
+
+    }
+
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
+        final View view = inflater.inflate(R.layout.linked_create_https_fragment_step1, container, false);
+
+        view.findViewById(R.id.next_button).setOnClickListener(new OnClickListener() {
+            @Override
+            public void onClick(View v) {
+
+                String uri = "https://" + mEditUri.getText();
+
+                if (!checkUri(uri)) {
+                    return;
+                }
+
+                String proofText = GenericHttpsResource.generateText(getActivity(),
+                        mLinkedIdWizard.mFingerprint);
+
+                LinkedIdCreateHttpsStep2Fragment frag =
+                        LinkedIdCreateHttpsStep2Fragment.newInstance(uri, proofText);
+
+                mLinkedIdWizard.loadFragment(null, frag, LinkedIdWizard.FRAG_ACTION_TO_RIGHT);
+
+            }
+        });
+
+        view.findViewById(R.id.back_button).setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                mLinkedIdWizard.loadFragment(null, null, LinkedIdWizard.FRAG_ACTION_TO_LEFT);
+            }
+        });
+
+        mEditUri = (EditText) view.findViewById(R.id.linked_create_https_uri);
+
+        mEditUri.addTextChangedListener(new TextWatcher() {
+            @Override
+            public void beforeTextChanged(CharSequence charSequence, int i, int i2, int i3) {
+            }
+
+            @Override
+            public void onTextChanged(CharSequence charSequence, int i, int i2, int i3) {
+            }
+
+            @Override
+            public void afterTextChanged(Editable editable) {
+                String uri = "https://" + editable;
+                if (uri.length() > 0) {
+                    if (checkUri(uri)) {
+                        mEditUri.setCompoundDrawablesWithIntrinsicBounds(0, 0,
+                                R.drawable.ic_stat_retyped_ok, 0);
+                    } else {
+                        mEditUri.setCompoundDrawablesWithIntrinsicBounds(0, 0,
+                                R.drawable.ic_stat_retyped_bad, 0);
+                    }
+                } else {
+                    // remove drawable if email is empty
+                    mEditUri.setCompoundDrawablesWithIntrinsicBounds(0, 0, 0, 0);
+                }
+            }
+        });
+
+        // mEditUri.setText("mugenguild.com/pgpkey.txt");
+
+        return view;
+    }
+
+    private static boolean checkUri(String uri) {
+        return Patterns.WEB_URL.matcher(uri).matches();
+    }
+
+}
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/linked/LinkedIdCreateHttpsStep2Fragment.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/linked/LinkedIdCreateHttpsStep2Fragment.java
new file mode 100644
index 000000000..22a201ba3
--- /dev/null
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/linked/LinkedIdCreateHttpsStep2Fragment.java
@@ -0,0 +1,172 @@
+/*
+ * Copyright (C) 2014 Dominik Schürmann <dominik@dominikschuermann.de>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package org.sufficientlysecure.keychain.ui.linked;
+
+import android.content.Intent;
+import android.net.Uri;
+import android.os.Bundle;
+import android.os.Environment;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.View.OnClickListener;
+import android.view.ViewGroup;
+import android.widget.EditText;
+
+import org.sufficientlysecure.keychain.Constants;
+import org.sufficientlysecure.keychain.R;
+import org.sufficientlysecure.keychain.operations.results.OperationResult.OperationLog;
+import org.sufficientlysecure.keychain.linked.resources.GenericHttpsResource;
+import org.sufficientlysecure.keychain.ui.util.Notify;
+import org.sufficientlysecure.keychain.ui.util.Notify.Style;
+import org.sufficientlysecure.keychain.util.FileHelper;
+
+import java.io.File;
+import java.io.FileNotFoundException;
+import java.io.PrintWriter;
+import java.net.URI;
+import java.net.URISyntaxException;
+
+public class LinkedIdCreateHttpsStep2Fragment extends LinkedIdCreateFinalFragment {
+
+    private static final int REQUEST_CODE_OUTPUT = 0x00007007;
+
+    public static final String ARG_URI = "uri", ARG_TEXT = "text";
+
+    EditText mEditUri;
+
+    URI mResourceUri;
+    String mResourceString;
+
+    public static LinkedIdCreateHttpsStep2Fragment newInstance
+            (String uri, String proofText) {
+
+        LinkedIdCreateHttpsStep2Fragment frag = new LinkedIdCreateHttpsStep2Fragment();
+
+        Bundle args = new Bundle();
+        args.putString(ARG_URI, uri);
+        args.putString(ARG_TEXT, proofText);
+        frag.setArguments(args);
+
+        return frag;
+    }
+
+    @Override
+    GenericHttpsResource getResource(OperationLog log) {
+        return GenericHttpsResource.createNew(mResourceUri);
+    }
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+
+        try {
+            mResourceUri = new URI(getArguments().getString(ARG_URI));
+        } catch (URISyntaxException e) {
+            e.printStackTrace();
+            getActivity().finish();
+        }
+
+        mResourceString = getArguments().getString(ARG_TEXT);
+
+    }
+
+    protected View newView(LayoutInflater inflater,
+            ViewGroup container, Bundle savedInstanceState) {
+        return inflater.inflate(R.layout.linked_create_https_fragment_step2, container, false);
+    }
+
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
+        View view = super.onCreateView(inflater, container, savedInstanceState);
+
+        if (view != null) {
+
+            view.findViewById(R.id.button_send).setOnClickListener(new OnClickListener() {
+                @Override
+                public void onClick(View v) {
+                    proofSend();
+                }
+            });
+
+            view.findViewById(R.id.button_save).setOnClickListener(new OnClickListener() {
+                @Override
+                public void onClick(View v) {
+                    proofSave();
+                }
+            });
+
+            mEditUri = (EditText) view.findViewById(R.id.linked_create_https_uri);
+            mEditUri.setText(mResourceUri.toString());
+        }
+
+        return view;
+    }
+
+    private void proofSend () {
+        Intent sendIntent = new Intent();
+        sendIntent.setAction(Intent.ACTION_SEND);
+        sendIntent.putExtra(Intent.EXTRA_TEXT, mResourceString);
+        sendIntent.setType("text/plain");
+        startActivity(sendIntent);
+    }
+
+    private void proofSave () {
+        String state = Environment.getExternalStorageState();
+        if (!Environment.MEDIA_MOUNTED.equals(state)) {
+            Notify.create(getActivity(), "External storage not available!", Style.ERROR);
+            return;
+        }
+
+        String targetName = "pgpkey.txt";
+
+        FileHelper.saveDocument(this,
+                targetName, Uri.fromFile(new File(Constants.Path.APP_DIR, targetName)),
+                "text/plain", R.string.title_decrypt_to_file, R.string.specify_file_to_decrypt_to,
+                REQUEST_CODE_OUTPUT);
+    }
+
+    private void saveFile(Uri uri) {
+        try {
+            PrintWriter out =
+                    new PrintWriter(getActivity().getContentResolver().openOutputStream(uri));
+            out.print(mResourceString);
+            if (out.checkError()) {
+                Notify.create(getActivity(), "Error writing file!", Style.ERROR).show();
+            }
+        } catch (FileNotFoundException e) {
+            Notify.create(getActivity(), "File could not be opened for writing!", Style.ERROR).show();
+        }
+    }
+
+    @Override
+    public void onActivityResult(int requestCode, int resultCode, Intent data) {
+        switch (requestCode) {
+            // For saving a file
+            case REQUEST_CODE_OUTPUT:
+                if (data == null) {
+                    return;
+                }
+                Uri uri = data.getData();
+                saveFile(uri);
+                break;
+            default:
+                super.onActivityResult(requestCode, resultCode, data);
+        }
+    }
+
+}
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/linked/LinkedIdCreateTwitterStep1Fragment.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/linked/LinkedIdCreateTwitterStep1Fragment.java
new file mode 100644
index 000000000..c25f775b0
--- /dev/null
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/linked/LinkedIdCreateTwitterStep1Fragment.java
@@ -0,0 +1,132 @@
+/*
+ * Copyright (C) 2014 Dominik Schürmann <dominik@dominikschuermann.de>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package org.sufficientlysecure.keychain.ui.linked;
+
+import android.os.AsyncTask;
+import android.os.Bundle;
+import android.support.v4.app.Fragment;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.View.OnClickListener;
+import android.view.ViewGroup;
+import android.widget.EditText;
+
+import org.sufficientlysecure.keychain.R;
+import org.sufficientlysecure.keychain.ui.util.Notify;
+
+public class LinkedIdCreateTwitterStep1Fragment extends Fragment {
+
+    LinkedIdWizard mLinkedIdWizard;
+
+    EditText mEditHandle;
+
+    public static LinkedIdCreateTwitterStep1Fragment newInstance() {
+        LinkedIdCreateTwitterStep1Fragment frag = new LinkedIdCreateTwitterStep1Fragment();
+
+        Bundle args = new Bundle();
+        frag.setArguments(args);
+
+        return frag;
+    }
+
+    @Override
+    public void onActivityCreated(Bundle savedInstanceState) {
+        super.onActivityCreated(savedInstanceState);
+
+        mLinkedIdWizard = (LinkedIdWizard) getActivity();
+
+    }
+
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
+        final View view = inflater.inflate(R.layout.linked_create_twitter_fragment_step1, container, false);
+
+        view.findViewById(R.id.next_button).setOnClickListener(new OnClickListener() {
+            @Override
+            public void onClick(View v) {
+
+                final String handle = mEditHandle.getText().toString();
+
+                if ("".equals(handle)) {
+                    mEditHandle.setError("Please input a Twitter handle!");
+                    return;
+                }
+
+                new AsyncTask<Void,Void,Boolean>() {
+
+                    @Override
+                    protected Boolean doInBackground(Void... params) {
+                        return true;
+                        // return checkHandle(handle);
+                    }
+
+                    @Override
+                    protected void onPostExecute(Boolean result) {
+                        super.onPostExecute(result);
+
+                        if (result == null) {
+                            Notify.create(getActivity(),
+                                    "Connection error while checking username!",
+                                    Notify.Style.ERROR).show(LinkedIdCreateTwitterStep1Fragment.this);
+                            return;
+                        }
+
+                        if (!result) {
+                            Notify.create(getActivity(),
+                                    "This handle does not exist on Twitter!",
+                                    Notify.Style.ERROR).show(LinkedIdCreateTwitterStep1Fragment.this);
+                            return;
+                        }
+
+                        LinkedIdCreateTwitterStep2Fragment frag =
+                                LinkedIdCreateTwitterStep2Fragment.newInstance(handle);
+
+                        mLinkedIdWizard.loadFragment(null, frag, LinkedIdWizard.FRAG_ACTION_TO_RIGHT);
+                    }
+                }.execute();
+
+            }
+        });
+
+        view.findViewById(R.id.back_button).setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                mLinkedIdWizard.loadFragment(null, null, LinkedIdWizard.FRAG_ACTION_TO_LEFT);
+            }
+        });
+
+        mEditHandle = (EditText) view.findViewById(R.id.linked_create_twitter_handle);
+
+        return view;
+    }
+
+    /* not used at this point, too many problems
+    private static Boolean checkHandle(String handle) {
+        try {
+            HttpURLConnection nection =
+                    (HttpURLConnection) new URL("https://twitter.com/" + handle).openConnection();
+            nection.setRequestMethod("HEAD");
+            nection.setRequestProperty("User-Agent", "OpenKeychain");
+            return nection.getResponseCode() == 200;
+        } catch (IOException e) {
+            return null;
+        }
+    }
+    */
+
+}
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/linked/LinkedIdCreateTwitterStep2Fragment.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/linked/LinkedIdCreateTwitterStep2Fragment.java
new file mode 100644
index 000000000..362798bc8
--- /dev/null
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/linked/LinkedIdCreateTwitterStep2Fragment.java
@@ -0,0 +1,121 @@
+/*
+ * Copyright (C) 2014 Dominik Schürmann <dominik@dominikschuermann.de>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package org.sufficientlysecure.keychain.ui.linked;
+
+import android.content.Intent;
+import android.net.Uri;
+import android.os.Bundle;
+import android.text.Html;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.View.OnClickListener;
+import android.view.ViewGroup;
+import android.widget.TextView;
+
+import org.sufficientlysecure.keychain.R;
+import org.sufficientlysecure.keychain.operations.results.OperationResult.OperationLog;
+import org.sufficientlysecure.keychain.linked.LinkedTokenResource;
+import org.sufficientlysecure.keychain.linked.resources.TwitterResource;
+
+public class LinkedIdCreateTwitterStep2Fragment extends LinkedIdCreateFinalFragment {
+
+    public static final String ARG_HANDLE = "handle";
+
+    String mResourceHandle;
+    String mResourceString;
+
+    public static LinkedIdCreateTwitterStep2Fragment newInstance
+            (String handle) {
+
+        LinkedIdCreateTwitterStep2Fragment frag = new LinkedIdCreateTwitterStep2Fragment();
+
+        Bundle args = new Bundle();
+        args.putString(ARG_HANDLE, handle);
+        frag.setArguments(args);
+
+        return frag;
+    }
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+
+        mResourceString =
+                TwitterResource.generate(mLinkedIdWizard.mFingerprint);
+
+        mResourceHandle = getArguments().getString(ARG_HANDLE);
+
+    }
+
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
+        View view = super.onCreateView(inflater, container, savedInstanceState);
+
+        if (view != null) {
+            view.findViewById(R.id.button_send).setOnClickListener(new OnClickListener() {
+                @Override
+                public void onClick(View v) {
+                    proofSend();
+                }
+            });
+
+            view.findViewById(R.id.button_share).setOnClickListener(new OnClickListener() {
+                @Override
+                public void onClick(View v) {
+                    proofShare();
+                }
+            });
+
+            ((TextView) view.findViewById(R.id.linked_tweet_published)).setText(
+                    Html.fromHtml(getString(R.string.linked_create_twitter_2_3, mResourceHandle))
+            );
+        }
+
+        return view;
+    }
+
+    @Override
+    LinkedTokenResource getResource(OperationLog log) {
+        return TwitterResource.searchInTwitterStream(getActivity(),
+                mResourceHandle, mResourceString, log);
+    }
+
+    @Override
+    protected View newView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
+        return inflater.inflate(R.layout.linked_create_twitter_fragment_step2, container, false);
+    }
+
+    private void proofShare() {
+        Intent sendIntent = new Intent();
+        sendIntent.setAction(Intent.ACTION_SEND);
+        sendIntent.putExtra(Intent.EXTRA_TEXT, mResourceString);
+        sendIntent.setType("text/plain");
+        startActivity(sendIntent);
+    }
+
+    private void proofSend() {
+
+        Uri.Builder builder = Uri.parse("https://twitter.com/intent/tweet").buildUpon();
+        builder.appendQueryParameter("text", mResourceString);
+        Uri uri = builder.build();
+
+        Intent intent = new Intent(Intent.ACTION_VIEW, uri);
+        getActivity().startActivity(intent);
+    }
+
+}
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/linked/LinkedIdSelectFragment.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/linked/LinkedIdSelectFragment.java
new file mode 100644
index 000000000..8249f0bb6
--- /dev/null
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/linked/LinkedIdSelectFragment.java
@@ -0,0 +1,103 @@
+/*
+ * Copyright (C) 2014 Dominik Schürmann <dominik@dominikschuermann.de>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package org.sufficientlysecure.keychain.ui.linked;
+
+import android.os.Bundle;
+import android.support.v4.app.Fragment;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+
+import org.sufficientlysecure.keychain.R;
+
+public class LinkedIdSelectFragment extends Fragment {
+
+    LinkedIdWizard mLinkedIdWizard;
+
+    /**
+     * Creates new instance of this fragment
+     */
+    public static LinkedIdSelectFragment newInstance() {
+        LinkedIdSelectFragment frag = new LinkedIdSelectFragment();
+
+        Bundle args = new Bundle();
+        frag.setArguments(args);
+
+        return frag;
+    }
+
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
+        View view = inflater.inflate(R.layout.linked_select_fragment, container, false);
+
+        view.findViewById(R.id.linked_create_https_button)
+                .setOnClickListener(new View.OnClickListener() {
+                    @Override
+                    public void onClick(View v) {
+                        LinkedIdCreateHttpsStep1Fragment frag =
+                                LinkedIdCreateHttpsStep1Fragment.newInstance();
+
+                        mLinkedIdWizard.loadFragment(null, frag, LinkedIdWizard.FRAG_ACTION_TO_RIGHT);
+                    }
+                });
+
+        view.findViewById(R.id.linked_create_dns_button)
+                .setOnClickListener(new View.OnClickListener() {
+                    @Override
+                    public void onClick(View v) {
+                        LinkedIdCreateDnsStep1Fragment frag =
+                                LinkedIdCreateDnsStep1Fragment.newInstance();
+
+                        mLinkedIdWizard.loadFragment(null, frag, LinkedIdWizard.FRAG_ACTION_TO_RIGHT);
+                    }
+                });
+
+        view.findViewById(R.id.linked_create_twitter_button)
+                .setOnClickListener(new View.OnClickListener() {
+                    @Override
+                    public void onClick(View v) {
+                        LinkedIdCreateTwitterStep1Fragment frag =
+                                LinkedIdCreateTwitterStep1Fragment.newInstance();
+
+                        mLinkedIdWizard.loadFragment(null, frag, LinkedIdWizard.FRAG_ACTION_TO_RIGHT);
+                    }
+                });
+
+        view.findViewById(R.id.linked_create_github_button)
+                .setOnClickListener(new View.OnClickListener() {
+                    @Override
+                    public void onClick(View v) {
+                        LinkedIdCreateGithubStep1Fragment frag =
+                                LinkedIdCreateGithubStep1Fragment.newInstance();
+
+                        mLinkedIdWizard.loadFragment(null, frag, LinkedIdWizard.FRAG_ACTION_TO_RIGHT);
+                    }
+                });
+
+
+        return view;
+    }
+
+    @Override
+    public void onActivityCreated(Bundle savedInstanceState) {
+        super.onActivityCreated(savedInstanceState);
+
+        mLinkedIdWizard = (LinkedIdWizard) getActivity();
+    }
+
+}
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/linked/LinkedIdViewFragment.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/linked/LinkedIdViewFragment.java
new file mode 100644
index 000000000..7007fa50c
--- /dev/null
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/linked/LinkedIdViewFragment.java
@@ -0,0 +1,558 @@
+package org.sufficientlysecure.keychain.ui.linked;
+
+import java.io.IOException;
+import java.util.Collections;
+
+import android.content.Context;
+import android.content.Intent;
+import android.database.Cursor;
+import android.graphics.PorterDuff;
+import android.net.Uri;
+import android.os.AsyncTask;
+import android.os.Build;
+import android.os.Bundle;
+import android.os.Handler;
+import android.os.Parcelable;
+import android.support.annotation.Nullable;
+import android.support.v4.app.FragmentManager;
+import android.support.v4.app.FragmentManager.OnBackStackChangedListener;
+import android.support.v4.app.LoaderManager;
+import android.support.v4.content.CursorLoader;
+import android.support.v4.content.Loader;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.View.OnClickListener;
+import android.view.ViewGroup;
+import android.widget.ImageView;
+import android.widget.TextSwitcher;
+import android.widget.TextView;
+import android.widget.ViewAnimator;
+
+import org.sufficientlysecure.keychain.Constants;
+import org.sufficientlysecure.keychain.Constants.key;
+import org.sufficientlysecure.keychain.R;
+import org.sufficientlysecure.keychain.operations.results.LinkedVerifyResult;
+import org.sufficientlysecure.keychain.linked.LinkedTokenResource;
+import org.sufficientlysecure.keychain.linked.LinkedAttribute;
+import org.sufficientlysecure.keychain.linked.LinkedResource;
+import org.sufficientlysecure.keychain.linked.UriAttribute;
+import org.sufficientlysecure.keychain.operations.results.OperationResult;
+import org.sufficientlysecure.keychain.provider.KeychainContract.Certs;
+import org.sufficientlysecure.keychain.provider.KeychainContract.UserPackets;
+import org.sufficientlysecure.keychain.provider.KeychainDatabase.Tables;
+import org.sufficientlysecure.keychain.service.CertifyActionsParcel;
+import org.sufficientlysecure.keychain.service.CertifyActionsParcel.CertifyAction;
+import org.sufficientlysecure.keychain.ui.adapter.LinkedIdsAdapter;
+import org.sufficientlysecure.keychain.ui.adapter.UserIdsAdapter;
+import org.sufficientlysecure.keychain.ui.base.CryptoOperationFragment;
+import org.sufficientlysecure.keychain.ui.linked.LinkedIdViewFragment.ViewHolder.VerifyState;
+import org.sufficientlysecure.keychain.ui.util.KeyFormattingUtils;
+import org.sufficientlysecure.keychain.ui.util.KeyFormattingUtils.State;
+import org.sufficientlysecure.keychain.ui.util.Notify;
+import org.sufficientlysecure.keychain.ui.util.Notify.Style;
+import org.sufficientlysecure.keychain.ui.util.SubtleAttentionSeeker;
+import org.sufficientlysecure.keychain.ui.widget.CertListWidget;
+import org.sufficientlysecure.keychain.ui.widget.CertifyKeySpinner;
+import org.sufficientlysecure.keychain.util.Log;
+
+public class LinkedIdViewFragment extends CryptoOperationFragment implements
+        LoaderManager.LoaderCallbacks<Cursor>, OnBackStackChangedListener {
+
+    private static final String ARG_DATA_URI = "data_uri";
+    private static final String ARG_LID_RANK = "rank";
+    private static final String ARG_IS_SECRET = "verified";
+    private static final String ARG_FINGERPRINT = "fingerprint";
+    private static final int LOADER_ID_LINKED_ID = 1;
+
+    private UriAttribute mLinkedId;
+    private LinkedTokenResource mLinkedResource;
+    private boolean mIsSecret;
+
+    private Context mContext;
+    private byte[] mFingerprint;
+
+    private AsyncTask mInProgress;
+
+    private Uri mDataUri;
+    private ViewHolder mViewHolder;
+    private int mLidRank;
+    private OnIdentityLoadedListener mIdLoadedListener;
+    private long mCertifyKeyId;
+
+    public static LinkedIdViewFragment newInstance(Uri dataUri, int rank,
+            boolean isSecret, byte[] fingerprint) throws IOException {
+        LinkedIdViewFragment frag = new LinkedIdViewFragment();
+
+        Bundle args = new Bundle();
+        args.putParcelable(ARG_DATA_URI, dataUri);
+        args.putInt(ARG_LID_RANK, rank);
+        args.putBoolean(ARG_IS_SECRET, isSecret);
+        args.putByteArray(ARG_FINGERPRINT, fingerprint);
+        frag.setArguments(args);
+
+        return frag;
+    }
+
+    public LinkedIdViewFragment() {
+        // IMPORTANT: the id must be unique in the ViewKeyActivity CryptoOperationHelper id namespace!
+        // no initial progress message -> we handle progress ourselves!
+        super(5, null);
+    }
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+
+        Bundle args = getArguments();
+        mDataUri = args.getParcelable(ARG_DATA_URI);
+        mLidRank = args.getInt(ARG_LID_RANK);
+
+        mIsSecret = args.getBoolean(ARG_IS_SECRET);
+        mFingerprint = args.getByteArray(ARG_FINGERPRINT);
+
+        mContext = getActivity();
+
+        getLoaderManager().initLoader(LOADER_ID_LINKED_ID, null, this);
+
+    }
+
+    @Override
+    public Loader<Cursor> onCreateLoader(int id, Bundle args) {
+        switch (id) {
+            case LOADER_ID_LINKED_ID:
+                return new CursorLoader(getActivity(), mDataUri,
+                        UserIdsAdapter.USER_PACKETS_PROJECTION,
+                        Tables.USER_PACKETS + "." + UserPackets.RANK
+                                + " = " + Integer.toString(mLidRank), null, null);
+            default:
+                return null;
+        }
+    }
+
+    @Override
+    public void onLoadFinished(Loader<Cursor> loader, Cursor cursor) {
+        switch (loader.getId()) {
+            case LOADER_ID_LINKED_ID:
+
+                // Nothing to load means break if we are *expected* to load
+                if (!cursor.moveToFirst()) {
+                    if (mIdLoadedListener != null) {
+                        Notify.create(getActivity(), "Error loading identity!",
+                                Notify.LENGTH_LONG, Style.ERROR).show();
+                        finishFragment();
+                    }
+                    // Or just ignore, this is probably some intermediate state during certify
+                    break;
+                }
+
+                try {
+                    int certStatus = cursor.getInt(UserIdsAdapter.INDEX_VERIFIED);
+
+                    byte[] data = cursor.getBlob(UserIdsAdapter.INDEX_ATTRIBUTE_DATA);
+                    UriAttribute linkedId = LinkedAttribute.fromAttributeData(data);
+
+                    loadIdentity(linkedId, certStatus);
+
+                    if (mIdLoadedListener != null) {
+                        mIdLoadedListener.onIdentityLoaded();
+                        mIdLoadedListener = null;
+                    }
+
+                } catch (IOException e) {
+                    Log.e(Constants.TAG, "error parsing identity", e);
+                    Notify.create(getActivity(), "Error parsing identity!",
+                            Notify.LENGTH_LONG, Style.ERROR).show();
+                    finishFragment();
+                }
+
+                break;
+        }
+    }
+
+    public void finishFragment() {
+        new Handler().post(new Runnable() {
+            @Override
+            public void run() {
+                FragmentManager manager = getFragmentManager();
+                manager.removeOnBackStackChangedListener(LinkedIdViewFragment.this);
+                manager.popBackStack("linked_id", FragmentManager.POP_BACK_STACK_INCLUSIVE);
+            }
+        });
+    }
+
+    public interface OnIdentityLoadedListener {
+        void onIdentityLoaded();
+    }
+
+    public void setOnIdentityLoadedListener(OnIdentityLoadedListener listener) {
+        mIdLoadedListener = listener;
+    }
+
+    private void loadIdentity(UriAttribute linkedId, int certStatus) {
+        mLinkedId = linkedId;
+
+        if (mLinkedId instanceof LinkedAttribute) {
+            LinkedResource res = ((LinkedAttribute) mLinkedId).mResource;
+            mLinkedResource = (LinkedTokenResource) res;
+        }
+
+        if (!mIsSecret) {
+            switch (certStatus) {
+                case Certs.VERIFIED_SECRET:
+                    KeyFormattingUtils.setStatusImage(mContext, mViewHolder.mLinkedIdHolder.vVerified,
+                            null, State.VERIFIED, KeyFormattingUtils.DEFAULT_COLOR);
+                    break;
+                case Certs.VERIFIED_SELF:
+                    KeyFormattingUtils.setStatusImage(mContext, mViewHolder.mLinkedIdHolder.vVerified,
+                            null, State.UNVERIFIED, KeyFormattingUtils.DEFAULT_COLOR);
+                    break;
+                default:
+                    KeyFormattingUtils.setStatusImage(mContext, mViewHolder.mLinkedIdHolder.vVerified,
+                            null, State.INVALID, KeyFormattingUtils.DEFAULT_COLOR);
+                    break;
+            }
+        }
+
+        mViewHolder.mLinkedIdHolder.setData(mContext, mLinkedId);
+
+        setShowVerifying(false);
+
+        // no resource, nothing further we can do…
+        if (mLinkedResource == null) {
+            mViewHolder.vButtonView.setVisibility(View.GONE);
+            mViewHolder.vButtonVerify.setVisibility(View.GONE);
+            return;
+        }
+
+        if (mLinkedResource.isViewable()) {
+            mViewHolder.vButtonView.setVisibility(View.VISIBLE);
+            mViewHolder.vButtonView.setOnClickListener(new OnClickListener() {
+                @Override
+                public void onClick(View v) {
+                    Intent intent = mLinkedResource.getViewIntent();
+                    if (intent == null) {
+                        return;
+                    }
+                    getActivity().startActivity(intent);
+                }
+            });
+        } else {
+            mViewHolder.vButtonView.setVisibility(View.GONE);
+        }
+
+    }
+
+    @Override
+    public void onLoaderReset(Loader<Cursor> loader) {
+
+    }
+
+    static class ViewHolder {
+        private final View vButtonView;
+        private final ViewAnimator vVerifyingContainer;
+        private final ViewAnimator vItemCertified;
+        private final View vKeySpinnerContainer;
+        LinkedIdsAdapter.ViewHolder mLinkedIdHolder;
+
+        private ViewAnimator vButtonSwitcher;
+        private CertListWidget vLinkedCerts;
+        private CertifyKeySpinner vKeySpinner;
+        private final View vButtonVerify;
+        private final View vButtonRetry;
+        private final View vButtonConfirm;
+
+        private final ViewAnimator vProgress;
+        private final TextSwitcher vText;
+
+        ViewHolder(View root) {
+            vLinkedCerts = (CertListWidget) root.findViewById(R.id.linked_id_certs);
+            vKeySpinner = (CertifyKeySpinner) root.findViewById(R.id.cert_key_spinner);
+            vKeySpinnerContainer = root.findViewById(R.id.cert_key_spincontainer);
+            vButtonSwitcher = (ViewAnimator) root.findViewById(R.id.button_animator);
+
+            mLinkedIdHolder = new LinkedIdsAdapter.ViewHolder(root);
+
+            vButtonVerify = root.findViewById(R.id.button_verify);
+            vButtonRetry = root.findViewById(R.id.button_retry);
+            vButtonConfirm = root.findViewById(R.id.button_confirm);
+            vButtonView = root.findViewById(R.id.button_view);
+
+            vVerifyingContainer = (ViewAnimator) root.findViewById(R.id.linked_verify_container);
+            vItemCertified = (ViewAnimator) root.findViewById(R.id.linked_id_certified);
+
+            vProgress = (ViewAnimator) root.findViewById(R.id.linked_cert_progress);
+            vText = (TextSwitcher) root.findViewById(R.id.linked_cert_text);
+        }
+
+        enum VerifyState {
+            VERIFYING, VERIFY_OK, VERIFY_ERROR, CERTIFYING
+        }
+
+        void setVerifyingState(Context context, VerifyState state, boolean isSecret) {
+            switch (state) {
+                case VERIFYING:
+                    vProgress.setDisplayedChild(0);
+                    vText.setText(context.getString(R.string.linked_text_verifying));
+                    vKeySpinnerContainer.setVisibility(View.GONE);
+                    break;
+
+                case VERIFY_OK:
+                    vProgress.setDisplayedChild(1);
+                    if (!isSecret) {
+                        showButton(2);
+                        if (!vKeySpinner.isSingleEntry()) {
+                            vKeySpinnerContainer.setVisibility(View.VISIBLE);
+                        }
+                    } else {
+                        showButton(1);
+                        vKeySpinnerContainer.setVisibility(View.GONE);
+                    }
+                    break;
+
+                case VERIFY_ERROR:
+                    showButton(1);
+                    vProgress.setDisplayedChild(2);
+                    vText.setText(context.getString(R.string.linked_text_error));
+                    vKeySpinnerContainer.setVisibility(View.GONE);
+                    break;
+
+                case CERTIFYING:
+                    vProgress.setDisplayedChild(0);
+                    vText.setText(context.getString(R.string.linked_text_confirming));
+                    vKeySpinnerContainer.setVisibility(View.GONE);
+                    break;
+            }
+        }
+
+        void showVerifyingContainer(Context context, boolean show, boolean isSecret) {
+            if (vVerifyingContainer.getDisplayedChild() == (show ? 1 : 0)) {
+                return;
+            }
+
+            vVerifyingContainer.setInAnimation(context, show ? R.anim.fade_in_up : R.anim.fade_in_down);
+            vVerifyingContainer.setOutAnimation(context, show ? R.anim.fade_out_up : R.anim.fade_out_down);
+            vVerifyingContainer.setDisplayedChild(show ? 1 : 0);
+
+            vItemCertified.setInAnimation(context, show ? R.anim.fade_in_up : R.anim.fade_in_down);
+            vItemCertified.setOutAnimation(context, show ? R.anim.fade_out_up : R.anim.fade_out_down);
+            vItemCertified.setDisplayedChild(show || isSecret ? 1 : 0);
+        }
+
+        void showButton(int which) {
+            if (vButtonSwitcher.getDisplayedChild() == which) {
+                return;
+            }
+            vButtonSwitcher.setDisplayedChild(which);
+        }
+
+    }
+
+    private boolean mVerificationState = false;
+    /** Switches between the 'verifying' ui bit and certificate status. This method
+     * must behave correctly in all states, showing or hiding the appropriate views
+     * and cancelling pending operations where necessary.
+     *
+     * This method also handles back button functionality in combination with
+     * onBackStateChanged.
+     */
+    void setShowVerifying(boolean show) {
+        if (!show) {
+            if (mInProgress != null) {
+                mInProgress.cancel(false);
+                mInProgress = null;
+            }
+            getFragmentManager().removeOnBackStackChangedListener(this);
+            new Handler().post(new Runnable() {
+                @Override
+                public void run() {
+                    getFragmentManager().popBackStack("verification",
+                            FragmentManager.POP_BACK_STACK_INCLUSIVE);
+                }
+            });
+
+            if (!mVerificationState) {
+                return;
+            }
+            mVerificationState = false;
+
+            mViewHolder.showButton(0);
+            mViewHolder.vKeySpinnerContainer.setVisibility(View.GONE);
+            mViewHolder.showVerifyingContainer(mContext, false, mIsSecret);
+            return;
+        }
+
+        if (mVerificationState) {
+            return;
+        }
+        mVerificationState = true;
+
+        FragmentManager manager = getFragmentManager();
+        manager.beginTransaction().addToBackStack("verification").commit();
+        manager.executePendingTransactions();
+        manager.addOnBackStackChangedListener(this);
+        mViewHolder.showVerifyingContainer(mContext, true, mIsSecret);
+
+    }
+
+    @Override
+    public void onBackStackChanged() {
+        setShowVerifying(false);
+    }
+
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup superContainer, Bundle savedInstanceState) {
+        View root = inflater.inflate(R.layout.linked_id_view_fragment, null);
+
+        mViewHolder = new ViewHolder(root);
+        root.setTag(mViewHolder);
+
+        ((ImageView) root.findViewById(R.id.status_icon_verified))
+                .setColorFilter(mContext.getResources().getColor(R.color.android_green_light),
+                        PorterDuff.Mode.SRC_IN);
+        ((ImageView) root.findViewById(R.id.status_icon_invalid))
+                .setColorFilter(mContext.getResources().getColor(R.color.android_red_light),
+                        PorterDuff.Mode.SRC_IN);
+
+        mViewHolder.vButtonVerify.setOnClickListener(new OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                verifyResource();
+            }
+        });
+        mViewHolder.vButtonRetry.setOnClickListener(new OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                verifyResource();
+            }
+        });
+        mViewHolder.vButtonConfirm.setOnClickListener(new OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                initiateCertifying();
+            }
+        });
+
+        {
+            Bundle args = new Bundle();
+            args.putParcelable(CertListWidget.ARG_URI, Certs.buildLinkedIdCertsUri(mDataUri, mLidRank));
+            args.putBoolean(CertListWidget.ARG_IS_SECRET, mIsSecret);
+            getLoaderManager().initLoader(CertListWidget.LOADER_ID_LINKED_CERTS,
+                    args, mViewHolder.vLinkedCerts);
+        }
+
+        return root;
+    }
+
+    void verifyResource() {
+
+        // only one at a time (no sync needed, mInProgress is only touched in ui thread)
+        if (mInProgress != null) {
+            return;
+        }
+
+        setShowVerifying(true);
+
+        mViewHolder.vKeySpinnerContainer.setVisibility(View.GONE);
+        mViewHolder.setVerifyingState(mContext, VerifyState.VERIFYING, mIsSecret);
+
+        mInProgress = new AsyncTask<Void,Void,LinkedVerifyResult>() {
+            @Override
+            protected LinkedVerifyResult doInBackground(Void... params) {
+                long timer = System.currentTimeMillis();
+                LinkedVerifyResult result = mLinkedResource.verify(getActivity(), mFingerprint);
+
+                // ux flow: this operation should take at last a second
+                timer = System.currentTimeMillis() -timer;
+                if (timer < 1000) try {
+                    Thread.sleep(1000 -timer);
+                } catch (InterruptedException e) {
+                    // never mind
+                }
+
+                return result;
+            }
+
+            @Override
+            protected void onPostExecute(LinkedVerifyResult result) {
+                if (isCancelled()) {
+                    return;
+                }
+                if (result.success()) {
+                    mViewHolder.vText.setText(getString(mLinkedResource.getVerifiedText(mIsSecret)));
+                    // hack to preserve bold text
+                    ((TextView) mViewHolder.vText.getCurrentView()).setText(
+                            mLinkedResource.getVerifiedText(mIsSecret));
+                    mViewHolder.setVerifyingState(mContext, VerifyState.VERIFY_OK, mIsSecret);
+                    mViewHolder.mLinkedIdHolder.seekAttention();
+                } else {
+                    mViewHolder.setVerifyingState(mContext, VerifyState.VERIFY_ERROR, mIsSecret);
+                    result.createNotify(getActivity()).show();
+                }
+                mInProgress = null;
+            }
+        }.execute();
+
+    }
+
+    private void initiateCertifying() {
+
+        if (mIsSecret) {
+            return;
+        }
+
+        // get the user's passphrase for this key (if required)
+        mCertifyKeyId = mViewHolder.vKeySpinner.getSelectedKeyId();
+        if (mCertifyKeyId == key.none || mCertifyKeyId == key.symmetric) {
+            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
+                SubtleAttentionSeeker.tintBackground(mViewHolder.vKeySpinnerContainer, 600).start();
+            } else {
+                Notify.create(getActivity(), R.string.select_key_to_certify, Style.ERROR).show();
+            }
+            return;
+        }
+
+        mViewHolder.setVerifyingState(mContext, VerifyState.CERTIFYING, false);
+        cryptoOperation();
+
+    }
+
+    @Override
+    public void onCryptoOperationCancelled() {
+        super.onCryptoOperationCancelled();
+
+        // go back to 'verified ok'
+        setShowVerifying(false);
+
+    }
+
+    @Nullable
+    @Override
+    public Parcelable createOperationInput() {
+        long masterKeyId = KeyFormattingUtils.convertFingerprintToKeyId(mFingerprint);
+        CertifyAction action = new CertifyAction(masterKeyId, null,
+                Collections.singletonList(mLinkedId.toUserAttribute()));
+
+        // fill values for this action
+        CertifyActionsParcel parcel = new CertifyActionsParcel(mCertifyKeyId);
+        parcel.mCertifyActions.addAll(Collections.singletonList(action));
+
+        return parcel;
+    }
+
+    @Override
+    public void onCryptoOperationSuccess(OperationResult result) {
+        result.createNotify(getActivity()).show();
+        // no need to do anything else, we will get a loader refresh!
+    }
+
+    @Override
+    public void onCryptoOperationError(OperationResult result) {
+        result.createNotify(getActivity()).show();
+    }
+
+    @Override
+    public boolean onCryptoSetProgress(String msg, int progress, int max) {
+        return true;
+    }
+
+}
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/linked/LinkedIdWizard.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/linked/LinkedIdWizard.java
new file mode 100644
index 000000000..a29f175c0
--- /dev/null
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/linked/LinkedIdWizard.java
@@ -0,0 +1,128 @@
+/*
+ * Copyright (C) 2014 Dominik Schürmann <dominik@dominikschuermann.de>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package org.sufficientlysecure.keychain.ui.linked;
+
+import android.content.Context;
+import android.net.Uri;
+import android.os.Bundle;
+import android.support.v4.app.Fragment;
+import android.support.v4.app.FragmentTransaction;
+import android.view.View;
+import android.view.inputmethod.InputMethodManager;
+
+import org.sufficientlysecure.keychain.Constants;
+import org.sufficientlysecure.keychain.R;
+import org.sufficientlysecure.keychain.pgp.exception.PgpKeyNotFoundException;
+import org.sufficientlysecure.keychain.provider.CachedPublicKeyRing;
+import org.sufficientlysecure.keychain.provider.KeychainContract;
+import org.sufficientlysecure.keychain.provider.ProviderHelper;
+import org.sufficientlysecure.keychain.ui.base.BaseActivity;
+import org.sufficientlysecure.keychain.util.Log;
+
+public class LinkedIdWizard extends BaseActivity {
+
+    public static final int FRAG_ACTION_START = 0;
+    public static final int FRAG_ACTION_TO_RIGHT = 1;
+    public static final int FRAG_ACTION_TO_LEFT = 2;
+
+    long mMasterKeyId;
+    byte[] mFingerprint;
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+
+        setTitle(getString(R.string.title_linked_id_create));
+
+        try {
+            Uri uri = getIntent().getData();
+            uri = KeychainContract.KeyRings.buildUnifiedKeyRingUri(uri);
+            CachedPublicKeyRing ring = new ProviderHelper(this).getCachedPublicKeyRing(uri);
+            if (!ring.hasAnySecret()) {
+                Log.e(Constants.TAG, "Linked Identities can only be added to secret keys!");
+                finish();
+                return;
+            }
+
+            mMasterKeyId = ring.extractOrGetMasterKeyId();
+            mFingerprint = ring.getFingerprint();
+        } catch (PgpKeyNotFoundException e) {
+            Log.e(Constants.TAG, "Invalid uri given, key does not exist!");
+            finish();
+            return;
+        }
+
+        // pass extras into fragment
+        LinkedIdSelectFragment frag = LinkedIdSelectFragment.newInstance();
+        loadFragment(null, frag, FRAG_ACTION_START);
+    }
+
+    @Override
+    protected void initLayout() {
+        setContentView(R.layout.create_key_activity);
+    }
+
+    public void loadFragment(Bundle savedInstanceState, Fragment fragment, int action) {
+        // However, if we're being restored from a previous state,
+        // then we don't need to do anything and should return or else
+        // we could end up with overlapping fragments.
+        if (savedInstanceState != null) {
+            return;
+        }
+
+        hideKeyboard();
+
+        // Add the fragment to the 'fragment_container' FrameLayout
+        // NOTE: We use commitAllowingStateLoss() to prevent weird crashes!
+        FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
+
+        switch (action) {
+            case FRAG_ACTION_START:
+                transaction.setCustomAnimations(0, 0);
+                transaction.replace(R.id.create_key_fragment_container, fragment)
+                        .commitAllowingStateLoss();
+                break;
+            case FRAG_ACTION_TO_LEFT:
+                getSupportFragmentManager().popBackStackImmediate();
+                break;
+            case FRAG_ACTION_TO_RIGHT:
+                transaction.setCustomAnimations(R.anim.frag_slide_in_from_right, R.anim.frag_slide_out_to_left,
+                        R.anim.frag_slide_in_from_left, R.anim.frag_slide_out_to_right);
+                transaction.addToBackStack(null);
+                transaction.replace(R.id.create_key_fragment_container, fragment)
+                        .commitAllowingStateLoss();
+                break;
+
+        }
+        // do it immediately!
+        getSupportFragmentManager().executePendingTransactions();
+    }
+
+    private void hideKeyboard() {
+        InputMethodManager inputManager = (InputMethodManager)
+                getSystemService(Context.INPUT_METHOD_SERVICE);
+
+        // check if no view has focus
+        View v = getCurrentFocus();
+        if (v == null)
+            return;
+
+        inputManager.hideSoftInputFromWindow(v.getWindowToken(), 0);
+    }
+
+}
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/util/KeyFormattingUtils.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/util/KeyFormattingUtils.java
index 9984c245e..284c17e7a 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/util/KeyFormattingUtils.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/util/KeyFormattingUtils.java
@@ -269,6 +269,10 @@ public class KeyFormattingUtils {
         return hexString;
     }
 
+    public static long convertFingerprintToKeyId(byte[] fingerprint) {
+        return ByteBuffer.wrap(fingerprint, 12, 8).getLong();
+    }
+
     /**
      * Makes a human-readable version of a key ID, which is usually 64 bits: lower-case, no
      * leading 0x, space-separated quartets (for keys whose length in hex is divisible by 4)
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/util/SubtleAttentionSeeker.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/util/SubtleAttentionSeeker.java
index 87444c226..4549e8993 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/util/SubtleAttentionSeeker.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/util/SubtleAttentionSeeker.java
@@ -17,13 +17,19 @@
 
 package org.sufficientlysecure.keychain.ui.util;
 
+import android.animation.AnimatorInflater;
+import android.animation.ArgbEvaluator;
 import android.animation.Keyframe;
 import android.animation.ObjectAnimator;
 import android.animation.PropertyValuesHolder;
 import android.annotation.TargetApi;
+import android.content.Context;
 import android.os.Build.VERSION_CODES;
 import android.view.View;
 
+import org.sufficientlysecure.keychain.R;
+
+
 @TargetApi(VERSION_CODES.ICE_CREAM_SANDWICH)
 /** Simple animation helper for subtle attention seeker stuff.
  *
@@ -36,6 +42,10 @@ public class SubtleAttentionSeeker {
     }
 
     public static ObjectAnimator tada(View view, float shakeFactor) {
+        return tada(view, shakeFactor, 1400);
+    }
+
+    public static ObjectAnimator tada(View view, float shakeFactor, int duration) {
 
         PropertyValuesHolder pvhScaleX = PropertyValuesHolder.ofKeyframe(View.SCALE_X,
                 Keyframe.ofFloat(0f, 1f),
@@ -80,7 +90,19 @@ public class SubtleAttentionSeeker {
         );
 
         return ObjectAnimator.ofPropertyValuesHolder(view, pvhScaleX, pvhScaleY, pvhRotate).
-                setDuration(1400);
+                setDuration(duration);
+    }
+
+    @TargetApi(VERSION_CODES.LOLLIPOP)
+    public static ObjectAnimator tintBackground(View view, int duration) {
+        return ObjectAnimator.ofArgb(view, "backgroundColor",
+                0x00FF0000, 0x33FF0000, 0x00FF0000).setDuration(duration);
+    }
+
+    @TargetApi(VERSION_CODES.LOLLIPOP)
+    public static ObjectAnimator tintText(View view, int duration) {
+        return ObjectAnimator.ofArgb(view, "backgroundColor",
+                0x00FF7F00, 0x33FF7F00, 0x00FF7F00).setDuration(duration);
     }
 
 }
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/widget/CertListWidget.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/widget/CertListWidget.java
new file mode 100644
index 000000000..c413a00be
--- /dev/null
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/widget/CertListWidget.java
@@ -0,0 +1,143 @@
+package org.sufficientlysecure.keychain.ui.widget;
+
+import java.util.Date;
+
+import android.content.Context;
+import android.database.Cursor;
+import android.net.Uri;
+import android.os.Bundle;
+import android.support.v4.app.LoaderManager;
+import android.support.v4.content.CursorLoader;
+import android.support.v4.content.Loader;
+import android.util.AttributeSet;
+import android.view.View;
+import android.widget.ListView;
+import android.widget.TextView;
+import android.widget.ViewAnimator;
+
+import org.ocpsoft.prettytime.PrettyTime;
+import org.sufficientlysecure.keychain.R;
+import org.sufficientlysecure.keychain.provider.KeychainContract;
+import org.sufficientlysecure.keychain.provider.KeychainContract.Certs;
+
+public class CertListWidget extends ViewAnimator
+        implements LoaderManager.LoaderCallbacks<Cursor> {
+
+    public static final int LOADER_ID_LINKED_CERTS = 38572;
+
+    public static final String ARG_URI = "uri";
+    public static final String ARG_IS_SECRET = "is_secret";
+
+
+    // These are the rows that we will retrieve.
+    static final String[] CERTS_PROJECTION = new String[]{
+            KeychainContract.Certs._ID,
+            KeychainContract.Certs.MASTER_KEY_ID,
+            KeychainContract.Certs.VERIFIED,
+            KeychainContract.Certs.TYPE,
+            KeychainContract.Certs.RANK,
+            KeychainContract.Certs.KEY_ID_CERTIFIER,
+            KeychainContract.Certs.USER_ID,
+            KeychainContract.Certs.SIGNER_UID,
+            KeychainContract.Certs.CREATION
+    };
+    public static final int INDEX_MASTER_KEY_ID = 1;
+    public static final int INDEX_VERIFIED = 2;
+    public static final int INDEX_TYPE = 3;
+    public static final int INDEX_RANK = 4;
+    public static final int INDEX_KEY_ID_CERTIFIER = 5;
+    public static final int INDEX_USER_ID = 6;
+    public static final int INDEX_SIGNER_UID = 7;
+    public static final int INDEX_CREATION = 8;
+
+    private TextView vCollapsed;
+    private ListView vExpanded;
+    private View vExpandButton;
+    private boolean mIsSecret;
+
+    public CertListWidget(Context context, AttributeSet attrs) {
+        super(context, attrs);
+    }
+
+    @Override
+    protected void onFinishInflate() {
+        super.onFinishInflate();
+
+        View root = getRootView();
+        vCollapsed = (TextView) root.findViewById(R.id.cert_collapsed_list);
+        vExpanded = (ListView) root.findViewById(R.id.cert_expanded_list);
+        vExpandButton = root.findViewById(R.id.cert_expand_button);
+
+        // for now
+        vExpandButton.setVisibility(View.GONE);
+        vExpandButton.setOnClickListener(new OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                toggleExpanded();
+            }
+        });
+
+        // vExpanded.setAdapter(null);
+
+    }
+
+    void toggleExpanded() {
+        setDisplayedChild(getDisplayedChild() == 1 ? 0 : 1);
+    }
+
+    void setExpanded(boolean expanded) {
+        setDisplayedChild(expanded ? 1 : 0);
+    }
+
+    @Override
+    public Loader<Cursor> onCreateLoader(int id, Bundle args) {
+        Uri uri = args.getParcelable(ARG_URI);
+        mIsSecret = args.getBoolean(ARG_IS_SECRET, false);
+        return new CursorLoader(getContext(), uri,
+                CERTS_PROJECTION, null, null, null);
+    }
+
+    @Override
+    public void onLoadFinished(Loader<Cursor> loader, Cursor data) {
+
+        if (data == null || !data.moveToFirst()) {
+            return;
+        }
+
+        // TODO support external certificates
+        Date userCert = null;
+        while (!data.isAfterLast()) {
+
+            int verified = data.getInt(INDEX_VERIFIED);
+            Date creation = new Date(data.getLong(INDEX_CREATION) * 1000);
+
+            if (verified == Certs.VERIFIED_SECRET) {
+                if (userCert == null || userCert.after(creation)) {
+                    userCert = creation;
+                }
+            }
+
+            data.moveToNext();
+        }
+
+        if (userCert != null) {
+            PrettyTime format = new PrettyTime();
+            if (mIsSecret) {
+                vCollapsed.setText("You created this identity "
+                        + format.format(userCert) + ".");
+            } else {
+                vCollapsed.setText("You verified and confirmed this identity "
+                        + format.format(userCert) + ".");
+            }
+        } else {
+            vCollapsed.setText("This identity is not yet verified or confirmed.");
+        }
+
+    }
+
+    @Override
+    public void onLoaderReset(Loader<Cursor> loader) {
+        setVisibility(View.GONE);
+    }
+
+}
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/widget/CertifyKeySpinner.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/widget/CertifyKeySpinner.java
index 6cd33aada..6a51085f3 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/widget/CertifyKeySpinner.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/widget/CertifyKeySpinner.java
@@ -17,25 +17,24 @@
 
 package org.sufficientlysecure.keychain.ui.widget;
 
-
-import java.util.Arrays;
-import java.util.List;
-
 import android.content.Context;
 import android.database.Cursor;
 import android.net.Uri;
 import android.os.Bundle;
+import android.support.annotation.StringRes;
 import android.support.v4.content.CursorLoader;
 import android.support.v4.content.Loader;
 import android.util.AttributeSet;
 
 import org.sufficientlysecure.keychain.Constants;
+import org.sufficientlysecure.keychain.R;
 import org.sufficientlysecure.keychain.provider.KeychainContract;
 import org.sufficientlysecure.keychain.provider.KeychainDatabase;
 import org.sufficientlysecure.keychain.ui.adapter.KeyAdapter;
 
 public class CertifyKeySpinner extends KeySpinner {
     private long mHiddenMasterKeyId = Constants.key.none;
+    private boolean mIsSingle;
 
     public CertifyKeySpinner(Context context) {
         super(context);
@@ -94,9 +93,11 @@ public class CertifyKeySpinner extends KeySpinner {
                     if (!data.isNull(mIndexHasCertify)) {
                         if (selection == -1) {
                             selection = data.getPosition() + 1;
+                            mIsSingle = true;
                         } else {
                             // if selection is already set, we have more than one certify key!
                             // get back to "none"!
+                            mIsSingle = false;
                             selection = 0;
                         }
                     }
@@ -106,6 +107,9 @@ public class CertifyKeySpinner extends KeySpinner {
         }
     }
 
+    public boolean isSingleEntry() {
+        return mIsSingle && getSelectedItemPosition() != 0;
+    }
 
     @Override
     boolean isItemEnabled(Cursor cursor) {
@@ -128,4 +132,10 @@ public class CertifyKeySpinner extends KeySpinner {
         return true;
     }
 
+    @Override
+    public @StringRes int getNoneString() {
+        return R.string.choice_select_cert;
+    }
+
+
 }
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/widget/KeySpinner.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/widget/KeySpinner.java
index 1884daf12..e3ec3d34b 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/widget/KeySpinner.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/widget/KeySpinner.java
@@ -23,6 +23,7 @@ import android.database.Cursor;
 import android.os.Bundle;
 import android.os.Parcelable;
 import android.support.annotation.NonNull;
+import android.support.annotation.StringRes;
 import android.support.v4.app.FragmentActivity;
 import android.support.v4.app.LoaderManager;
 import android.support.v4.content.Loader;
@@ -34,6 +35,7 @@ import android.view.ViewGroup;
 import android.widget.AdapterView;
 import android.widget.BaseAdapter;
 import android.widget.SpinnerAdapter;
+import android.widget.TextView;
 
 import org.sufficientlysecure.keychain.Constants;
 import org.sufficientlysecure.keychain.R;
@@ -226,9 +228,11 @@ public abstract class KeySpinner extends AppCompatSpinner implements
                 return inner.getView(position -1, convertView, parent);
             }
 
-            return convertView != null ? convertView :
+            View view = convertView != null ? convertView :
                     LayoutInflater.from(getContext()).inflate(
                             R.layout.keyspinner_item_none, parent, false);
+            ((TextView) view.findViewById(R.id.keyspinner_key_name)).setText(getNoneString());
+            return view;
         }
 
     }
@@ -259,4 +263,9 @@ public abstract class KeySpinner extends AppCompatSpinner implements
         bundle.putLong(ARG_KEY_ID, getSelectedKeyId());
         return bundle;
     }
+
+    public @StringRes int getNoneString() {
+        return R.string.cert_none;
+    }
+
 }
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/widget/PrefixedEditText.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/widget/PrefixedEditText.java
new file mode 100644
index 000000000..3cbb114e8
--- /dev/null
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/widget/PrefixedEditText.java
@@ -0,0 +1,45 @@
+package org.sufficientlysecure.keychain.ui.widget;
+
+import android.content.Context;
+import android.content.res.TypedArray;
+import android.graphics.*;
+import android.support.annotation.NonNull;
+import android.util.AttributeSet;
+import android.widget.EditText;
+
+import org.sufficientlysecure.keychain.R;
+
+public class PrefixedEditText extends EditText {
+
+    private String mPrefix;
+    private Rect mPrefixRect = new Rect();
+
+	public PrefixedEditText(Context context, AttributeSet attrs) {
+		super(context, attrs);
+        TypedArray style = context.getTheme().obtainStyledAttributes(
+                attrs, R.styleable.PrefixedEditText, 0, 0);
+        mPrefix = style.getString(R.styleable.PrefixedEditText_prefix);
+        if (mPrefix == null) {
+            mPrefix = "";
+        }
+	}
+
+    @Override
+    protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
+        getPaint().getTextBounds(mPrefix, 0, mPrefix.length(), mPrefixRect);
+
+        super.onMeasure(widthMeasureSpec, heightMeasureSpec);
+    }
+
+    @Override
+    protected void onDraw(@NonNull Canvas canvas) {
+        super.onDraw(canvas);
+        canvas.drawText(mPrefix, super.getCompoundPaddingLeft(), getBaseline(), getPaint());
+    }
+
+    @Override
+    public int getCompoundPaddingLeft() {
+        return super.getCompoundPaddingLeft() + mPrefixRect.width();
+    }
+
+}
+\ No newline at end of file
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/util/FilterCursorWrapper.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/util/FilterCursorWrapper.java
new file mode 100644
index 000000000..ab73f59b8
--- /dev/null
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/util/FilterCursorWrapper.java
@@ -0,0 +1,76 @@
+package org.sufficientlysecure.keychain.util;
+
+
+import android.database.Cursor;
+import android.database.CursorWrapper;
+
+public abstract class FilterCursorWrapper extends CursorWrapper {
+    private int[] mIndex;
+    private int mCount = 0;
+    private int mPos = 0;
+
+    public abstract boolean isVisible(Cursor cursor);
+
+    public FilterCursorWrapper(Cursor cursor) {
+        super(cursor);
+        mCount = super.getCount();
+        mIndex = new int[mCount];
+        for (int i = 0; i < mCount; i++) {
+            super.moveToPosition(i);
+            if (isVisible(cursor)) {
+                mIndex[mPos++] = i;
+            }
+        }
+        mCount = mPos;
+        mPos = 0;
+        super.moveToFirst();
+    }
+
+    @Override
+    public boolean move(int offset) {
+        return this.moveToPosition(mPos + offset);
+    }
+
+    @Override
+    public boolean moveToNext() {
+        return this.moveToPosition(mPos + 1);
+    }
+
+    @Override
+    public boolean moveToPrevious() {
+        return this.moveToPosition(mPos - 1);
+    }
+
+    @Override
+    public boolean moveToFirst() {
+        return this.moveToPosition(0);
+    }
+
+    @Override
+    public boolean moveToLast() {
+        return this.moveToPosition(mCount - 1);
+    }
+
+    @Override
+    public boolean moveToPosition(int position) {
+        if (position >= mCount || position < 0) {
+            return false;
+        }
+        return super.moveToPosition(mIndex[position]);
+    }
+
+    @Override
+    public int getCount() {
+        return mCount;
+    }
+
+    public int getHiddenCount() {
+        return super.getCount() - mCount;
+    }
+
+    @Override
+    public int getPosition() {
+        return mPos;
+    }
+
+}
+\ No newline at end of file
diff --git a/OpenKeychain/src/main/res/anim/fade_in_down.xml b/OpenKeychain/src/main/res/anim/fade_in_down.xml
new file mode 100644
index 000000000..fb9ed416e
--- /dev/null
+++ b/OpenKeychain/src/main/res/anim/fade_in_down.xml
@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<set xmlns:android="http://schemas.android.com/apk/res/android">
+    <translate android:fromYDelta="-10" android:toYDelta="0"
+        android:interpolator="@android:anim/decelerate_interpolator"
+        android:duration="200"
+        />
+    <alpha android:fromAlpha="0.0" android:toAlpha="1.0"
+        android:interpolator="@android:anim/accelerate_interpolator"
+        android:duration="200"
+        />
+</set>
+\ No newline at end of file
diff --git a/OpenKeychain/src/main/res/anim/fade_in_quick.xml b/OpenKeychain/src/main/res/anim/fade_in_quick.xml
new file mode 100644
index 000000000..e0725de3d
--- /dev/null
+++ b/OpenKeychain/src/main/res/anim/fade_in_quick.xml
@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<set xmlns:android="http://schemas.android.com/apk/res/android">
+    <alpha android:fromAlpha="0.0" android:toAlpha="1.0"
+        android:interpolator="@android:anim/bounce_interpolator"
+        android:duration="400"
+        />
+</set>
+\ No newline at end of file
diff --git a/OpenKeychain/src/main/res/anim/fade_in_up.xml b/OpenKeychain/src/main/res/anim/fade_in_up.xml
new file mode 100644
index 000000000..c190c0f53
--- /dev/null
+++ b/OpenKeychain/src/main/res/anim/fade_in_up.xml
@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<set xmlns:android="http://schemas.android.com/apk/res/android">
+    <translate android:fromYDelta="10" android:toYDelta="0"
+        android:interpolator="@android:anim/decelerate_interpolator"
+        android:duration="200"
+        />
+    <alpha android:fromAlpha="0.0" android:toAlpha="1.0"
+        android:interpolator="@android:anim/accelerate_interpolator"
+        android:duration="200"
+        />
+</set>
+\ No newline at end of file
diff --git a/OpenKeychain/src/main/res/anim/fade_out_down.xml b/OpenKeychain/src/main/res/anim/fade_out_down.xml
new file mode 100644
index 000000000..523b180af
--- /dev/null
+++ b/OpenKeychain/src/main/res/anim/fade_out_down.xml
@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<set xmlns:android="http://schemas.android.com/apk/res/android">
+    <translate android:fromYDelta="0.0" android:toYDelta="10"
+        android:interpolator="@android:anim/decelerate_interpolator"
+        android:duration="200"
+        />
+    <alpha android:fromAlpha="1.0" android:toAlpha="0.0"
+        android:interpolator="@android:anim/decelerate_interpolator"
+        android:duration="150"
+        />
+</set>
+\ No newline at end of file
diff --git a/OpenKeychain/src/main/res/anim/fade_out_quick.xml b/OpenKeychain/src/main/res/anim/fade_out_quick.xml
new file mode 100644
index 000000000..94fc508d7
--- /dev/null
+++ b/OpenKeychain/src/main/res/anim/fade_out_quick.xml
@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<set xmlns:android="http://schemas.android.com/apk/res/android">
+    <alpha android:fromAlpha="1.0" android:toAlpha="0.0"
+        android:interpolator="@android:anim/decelerate_interpolator"
+        android:duration="150"
+        />
+</set>
+\ No newline at end of file
diff --git a/OpenKeychain/src/main/res/anim/fade_out_up.xml b/OpenKeychain/src/main/res/anim/fade_out_up.xml
new file mode 100644
index 000000000..65049a387
--- /dev/null
+++ b/OpenKeychain/src/main/res/anim/fade_out_up.xml
@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<set xmlns:android="http://schemas.android.com/apk/res/android">
+    <translate android:fromYDelta="0.0" android:toYDelta="-10"
+        android:interpolator="@android:anim/decelerate_interpolator"
+        android:duration="200"
+        />
+    <alpha android:fromAlpha="1.0" android:toAlpha="0.0"
+        android:interpolator="@android:anim/decelerate_interpolator"
+        android:duration="150"
+        />
+</set>
+\ No newline at end of file
diff --git a/OpenKeychain/src/main/res/drawable-hdpi/linked_dns.png b/OpenKeychain/src/main/res/drawable-hdpi/linked_dns.png
new file mode 100644
index 000000000..41719efd6
--- /dev/null
+++ b/OpenKeychain/src/main/res/drawable-hdpi/linked_dns.png
diff --git a/OpenKeychain/src/main/res/drawable-hdpi/linked_github.png b/OpenKeychain/src/main/res/drawable-hdpi/linked_github.png
new file mode 100644
index 000000000..2a1ae67d7
--- /dev/null
+++ b/OpenKeychain/src/main/res/drawable-hdpi/linked_github.png
diff --git a/OpenKeychain/src/main/res/drawable-hdpi/linked_https.png b/OpenKeychain/src/main/res/drawable-hdpi/linked_https.png
new file mode 100644
index 000000000..278fac4f8
--- /dev/null
+++ b/OpenKeychain/src/main/res/drawable-hdpi/linked_https.png
diff --git a/OpenKeychain/src/main/res/drawable-hdpi/linked_twitter.png b/OpenKeychain/src/main/res/drawable-hdpi/linked_twitter.png
new file mode 100644
index 000000000..dd0fce197
--- /dev/null
+++ b/OpenKeychain/src/main/res/drawable-hdpi/linked_twitter.png
diff --git a/OpenKeychain/src/main/res/drawable-hdpi/status_signature_verified_inner_24dp.png b/OpenKeychain/src/main/res/drawable-hdpi/status_signature_verified_inner_24dp.png
new file mode 100644
index 000000000..e9dfc47a4
--- /dev/null
+++ b/OpenKeychain/src/main/res/drawable-hdpi/status_signature_verified_inner_24dp.png
diff --git a/OpenKeychain/src/main/res/drawable-hdpi/status_signature_verified_inner_96dp.png b/OpenKeychain/src/main/res/drawable-hdpi/status_signature_verified_inner_96dp.png
new file mode 100644
index 000000000..4a3f2b2b5
--- /dev/null
+++ b/OpenKeychain/src/main/res/drawable-hdpi/status_signature_verified_inner_96dp.png
diff --git a/OpenKeychain/src/main/res/drawable-mdpi/linked_dns.png b/OpenKeychain/src/main/res/drawable-mdpi/linked_dns.png
new file mode 100644
index 000000000..c6f3e9a06
--- /dev/null
+++ b/OpenKeychain/src/main/res/drawable-mdpi/linked_dns.png
diff --git a/OpenKeychain/src/main/res/drawable-mdpi/linked_github.png b/OpenKeychain/src/main/res/drawable-mdpi/linked_github.png
new file mode 100644
index 000000000..ba3d2e4b7
--- /dev/null
+++ b/OpenKeychain/src/main/res/drawable-mdpi/linked_github.png
diff --git a/OpenKeychain/src/main/res/drawable-mdpi/linked_https.png b/OpenKeychain/src/main/res/drawable-mdpi/linked_https.png
new file mode 100644
index 000000000..54b085aaf
--- /dev/null
+++ b/OpenKeychain/src/main/res/drawable-mdpi/linked_https.png
diff --git a/OpenKeychain/src/main/res/drawable-mdpi/linked_twitter.png b/OpenKeychain/src/main/res/drawable-mdpi/linked_twitter.png
new file mode 100644
index 000000000..86ca9d46e
--- /dev/null
+++ b/OpenKeychain/src/main/res/drawable-mdpi/linked_twitter.png
diff --git a/OpenKeychain/src/main/res/drawable-mdpi/status_signature_verified_inner_24dp.png b/OpenKeychain/src/main/res/drawable-mdpi/status_signature_verified_inner_24dp.png
new file mode 100644
index 000000000..28e37d9f3
--- /dev/null
+++ b/OpenKeychain/src/main/res/drawable-mdpi/status_signature_verified_inner_24dp.png
diff --git a/OpenKeychain/src/main/res/drawable-mdpi/status_signature_verified_inner_96dp.png b/OpenKeychain/src/main/res/drawable-mdpi/status_signature_verified_inner_96dp.png
new file mode 100644
index 000000000..cc7091df0
--- /dev/null
+++ b/OpenKeychain/src/main/res/drawable-mdpi/status_signature_verified_inner_96dp.png
diff --git a/OpenKeychain/src/main/res/drawable-xhdpi/linked_dns.png b/OpenKeychain/src/main/res/drawable-xhdpi/linked_dns.png
new file mode 100644
index 000000000..ec87cdd1c
--- /dev/null
+++ b/OpenKeychain/src/main/res/drawable-xhdpi/linked_dns.png
diff --git a/OpenKeychain/src/main/res/drawable-xhdpi/linked_github.png b/OpenKeychain/src/main/res/drawable-xhdpi/linked_github.png
new file mode 100644
index 000000000..0934f1840
--- /dev/null
+++ b/OpenKeychain/src/main/res/drawable-xhdpi/linked_github.png
diff --git a/OpenKeychain/src/main/res/drawable-xhdpi/linked_https.png b/OpenKeychain/src/main/res/drawable-xhdpi/linked_https.png
new file mode 100644
index 000000000..f627d2b3b
--- /dev/null
+++ b/OpenKeychain/src/main/res/drawable-xhdpi/linked_https.png
diff --git a/OpenKeychain/src/main/res/drawable-xhdpi/linked_twitter.png b/OpenKeychain/src/main/res/drawable-xhdpi/linked_twitter.png
new file mode 100644
index 000000000..35bb1fd3b
--- /dev/null
+++ b/OpenKeychain/src/main/res/drawable-xhdpi/linked_twitter.png
diff --git a/OpenKeychain/src/main/res/drawable-xhdpi/status_signature_verified_inner_24dp.png b/OpenKeychain/src/main/res/drawable-xhdpi/status_signature_verified_inner_24dp.png
new file mode 100644
index 000000000..ea801c45a
--- /dev/null
+++ b/OpenKeychain/src/main/res/drawable-xhdpi/status_signature_verified_inner_24dp.png
diff --git a/OpenKeychain/src/main/res/drawable-xhdpi/status_signature_verified_inner_96dp.png b/OpenKeychain/src/main/res/drawable-xhdpi/status_signature_verified_inner_96dp.png
new file mode 100644
index 000000000..61610df19
--- /dev/null
+++ b/OpenKeychain/src/main/res/drawable-xhdpi/status_signature_verified_inner_96dp.png
diff --git a/OpenKeychain/src/main/res/drawable-xxhdpi/linked_dns.png b/OpenKeychain/src/main/res/drawable-xxhdpi/linked_dns.png
new file mode 100644
index 000000000..9b3ee8572
--- /dev/null
+++ b/OpenKeychain/src/main/res/drawable-xxhdpi/linked_dns.png
diff --git a/OpenKeychain/src/main/res/drawable-xxhdpi/linked_github.png b/OpenKeychain/src/main/res/drawable-xxhdpi/linked_github.png
new file mode 100644
index 000000000..19a3421bf
--- /dev/null
+++ b/OpenKeychain/src/main/res/drawable-xxhdpi/linked_github.png
diff --git a/OpenKeychain/src/main/res/drawable-xxhdpi/linked_https.png b/OpenKeychain/src/main/res/drawable-xxhdpi/linked_https.png
new file mode 100644
index 000000000..c41ab6c1c
--- /dev/null
+++ b/OpenKeychain/src/main/res/drawable-xxhdpi/linked_https.png
diff --git a/OpenKeychain/src/main/res/drawable-xxhdpi/linked_twitter.png b/OpenKeychain/src/main/res/drawable-xxhdpi/linked_twitter.png
new file mode 100644
index 000000000..0710a12f1
--- /dev/null
+++ b/OpenKeychain/src/main/res/drawable-xxhdpi/linked_twitter.png
diff --git a/OpenKeychain/src/main/res/drawable-xxhdpi/status_signature_verified_inner_24dp.png b/OpenKeychain/src/main/res/drawable-xxhdpi/status_signature_verified_inner_24dp.png
new file mode 100644
index 000000000..bcd73b09b
--- /dev/null
+++ b/OpenKeychain/src/main/res/drawable-xxhdpi/status_signature_verified_inner_24dp.png
diff --git a/OpenKeychain/src/main/res/drawable-xxhdpi/status_signature_verified_inner_96dp.png b/OpenKeychain/src/main/res/drawable-xxhdpi/status_signature_verified_inner_96dp.png
new file mode 100644
index 000000000..71e563218
--- /dev/null
+++ b/OpenKeychain/src/main/res/drawable-xxhdpi/status_signature_verified_inner_96dp.png
diff --git a/OpenKeychain/src/main/res/drawable-xxxhdpi/status_signature_verified_inner_24dp.png b/OpenKeychain/src/main/res/drawable-xxxhdpi/status_signature_verified_inner_24dp.png
new file mode 100644
index 000000000..cc7091df0
--- /dev/null
+++ b/OpenKeychain/src/main/res/drawable-xxxhdpi/status_signature_verified_inner_24dp.png
diff --git a/OpenKeychain/src/main/res/drawable/divider.xml b/OpenKeychain/src/main/res/drawable/divider.xml
new file mode 100644
index 000000000..b3800c459
--- /dev/null
+++ b/OpenKeychain/src/main/res/drawable/divider.xml
@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+    android:shape="rectangle" >
+
+    <size
+        android:height="1px"
+        android:width="1000dp" />
+
+    <solid android:color="#eeeeee" />
+
+</shape>
+\ No newline at end of file
diff --git a/OpenKeychain/src/main/res/layout/cert_list_widget.xml b/OpenKeychain/src/main/res/layout/cert_list_widget.xml
new file mode 100644
index 000000000..7e3dbcdf4
--- /dev/null
+++ b/OpenKeychain/src/main/res/layout/cert_list_widget.xml
@@ -0,0 +1,44 @@
+<?xml version="1.0" encoding="utf-8"?>
+<org.sufficientlysecure.keychain.ui.widget.CertListWidget
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:orientation="vertical"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:id="@+id/linked_id_certs"
+    tools:showIn="@layout/linked_id_view_fragment">
+
+    <LinearLayout
+        android:layout_width="fill_parent"
+        android:layout_height="wrap_content"
+        android:orientation="horizontal"
+        tools:ignore="UseCompoundDrawables">
+
+        <TextView
+            android:id="@+id/cert_collapsed_list"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:textAppearance="?android:attr/textAppearanceMedium"
+            android:gravity="center_vertical"
+            android:layout_weight="1"
+            tools:text="The identity is not yet verified or confirmed."
+            />
+
+        <ImageView
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center_vertical"
+            android:src="@drawable/ic_expand_more_black_24dp"
+            android:id="@+id/cert_expand_button"
+            android:padding="4dp"
+            />
+
+        </LinearLayout>
+
+    <ListView
+        android:id="@+id/cert_expanded_list"
+        android:layout_width="fill_parent"
+        android:layout_height="wrap_content">
+    </ListView>
+
+</org.sufficientlysecure.keychain.ui.widget.CertListWidget>
+\ No newline at end of file
diff --git a/OpenKeychain/src/main/res/layout/decrypt_text_fragment.xml b/OpenKeychain/src/main/res/layout/decrypt_text_fragment.xml
index 9362b35bb..f6237ec69 100644
--- a/OpenKeychain/src/main/res/layout/decrypt_text_fragment.xml
+++ b/OpenKeychain/src/main/res/layout/decrypt_text_fragment.xml
@@ -8,11 +8,11 @@
 
     <LinearLayout
         android:visibility="gone"
-        tools:visibility="visible"
         android:id="@+id/decrypt_content"
         android:layout_width="match_parent"
         android:layout_height="match_parent"
-        android:orientation="vertical">
+        android:orientation="vertical"
+        tools:visibility="visible">
 
         <ScrollView
             android:fillViewport="true"
@@ -39,12 +39,12 @@
     </LinearLayout>
 
     <LinearLayout
-        android:visibility="gone"
         android:id="@+id/decrypt_error_overlay"
         android:layout_width="wrap_content"
         android:layout_height="match_parent"
         android:orientation="vertical"
-        android:gravity="center_vertical">
+        android:gravity="center_vertical"
+        android:visibility="gone">
 
         <TextView
             android:layout_width="wrap_content"
@@ -65,4 +65,4 @@
             android:layout_gravity="center_horizontal" />
     </LinearLayout>
 
-</org.sufficientlysecure.keychain.ui.widget.ToolableViewAnimator>
-\ No newline at end of file
+</org.sufficientlysecure.keychain.ui.widget.ToolableViewAnimator>
diff --git a/OpenKeychain/src/main/res/layout/keyspinner_item_none.xml b/OpenKeychain/src/main/res/layout/keyspinner_item_none.xml
index bd1d4ac11..a7a7a10df 100644
--- a/OpenKeychain/src/main/res/layout/keyspinner_item_none.xml
+++ b/OpenKeychain/src/main/res/layout/keyspinner_item_none.xml
@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
     android:gravity="center_vertical"
@@ -13,7 +14,8 @@
         android:id="@+id/keyspinner_key_name"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:text="@string/choice_none"
-        android:textAppearance="?android:attr/textAppearanceMedium" />
+        android:textAppearance="?android:attr/textAppearanceMedium"
+        tools:text="@string/choice_none"
+        />
 
 </LinearLayout>
 \ No newline at end of file
diff --git a/OpenKeychain/src/main/res/layout/linked_create_dns_fragment_step1.xml b/OpenKeychain/src/main/res/layout/linked_create_dns_fragment_step1.xml
new file mode 100644
index 000000000..9df381ea0
--- /dev/null
+++ b/OpenKeychain/src/main/res/layout/linked_create_dns_fragment_step1.xml
@@ -0,0 +1,126 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="wrap_content"
+    android:layout_height="match_parent">
+
+    <ScrollView
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:fillViewport="false"
+        android:layout_above="@+id/create_key_button_divider">
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:padding="16dp"
+            android:orientation="vertical">
+
+            <TextView
+                android:drawableLeft="@drawable/linked_dns"
+                android:drawablePadding="8dp"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:textAppearance="?android:attr/textAppearanceMedium"
+                android:text="@string/linked_create_dns_1_1" />
+
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="16dp"
+                android:textAppearance="?android:attr/textAppearanceMedium"
+                android:text="@string/linked_create_dns_1_2" />
+
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="16dp"
+                android:textAppearance="?android:attr/textAppearanceMedium"
+                android:text="@string/linked_create_dns_1_3" />
+
+            <EditText
+                android:id="@+id/linked_create_dns_domain"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:imeOptions="actionNext"
+                android:ems="10"
+                android:inputType="textUri"
+                android:layout_gravity="center_horizontal"
+                />
+
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="16dp"
+                android:textAppearance="?android:attr/textAppearanceMedium"
+                android:text="@string/linked_create_dns_1_4" />
+
+        </LinearLayout>
+
+    </ScrollView>
+
+    <View
+        android:id="@+id/create_key_button_divider"
+        android:layout_width="match_parent"
+        android:layout_height="1dip"
+        android:layout_marginLeft="16dp"
+        android:layout_marginRight="16dp"
+        android:background="?android:attr/listDivider"
+        android:layout_alignTop="@+id/create_key_buttons"
+        android:layout_alignParentLeft="true"
+        android:layout_alignParentStart="true" />
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:orientation="horizontal"
+        android:layout_alignParentBottom="true"
+        android:layout_alignParentLeft="true"
+        android:layout_alignParentStart="true"
+        android:layout_marginLeft="16dp"
+        android:layout_marginRight="16dp"
+        android:id="@+id/create_key_buttons">
+
+        <TextView
+            android:id="@+id/back_button"
+            android:paddingLeft="8dp"
+            android:paddingRight="8dp"
+            android:textAppearance="?android:attr/textAppearanceMedium"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            android:text="@string/btn_back"
+            android:clickable="true"
+            android:minHeight="?android:attr/listPreferredItemHeight"
+            android:textAllCaps="true"
+            style="?android:attr/borderlessButtonStyle"
+            android:drawableLeft="@drawable/ic_chevron_left_grey_24dp"
+            android:drawablePadding="8dp"
+            android:gravity="center_vertical"
+            android:layout_gravity="center_vertical" />
+
+        <View
+            android:layout_width="1dp"
+            android:layout_height="match_parent"
+            android:layout_marginTop="8dp"
+            android:layout_marginBottom="8dp"
+            android:background="?android:attr/listDivider" />
+
+        <TextView
+            android:id="@+id/next_button"
+            android:paddingLeft="8dp"
+            android:paddingRight="8dp"
+            android:textAppearance="?android:attr/textAppearanceMedium"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            android:text="@string/btn_next"
+            android:minHeight="?android:attr/listPreferredItemHeight"
+            android:textAllCaps="true"
+            android:drawableRight="@drawable/ic_chevron_right_grey_24dp"
+            android:drawablePadding="8dp"
+            android:gravity="center_vertical|right"
+            android:clickable="true"
+            style="?android:attr/borderlessButtonStyle"
+            android:layout_gravity="center_vertical" />
+    </LinearLayout>
+</RelativeLayout>
+\ No newline at end of file
diff --git a/OpenKeychain/src/main/res/layout/linked_create_dns_fragment_step2.xml b/OpenKeychain/src/main/res/layout/linked_create_dns_fragment_step2.xml
new file mode 100644
index 000000000..62e267f05
--- /dev/null
+++ b/OpenKeychain/src/main/res/layout/linked_create_dns_fragment_step2.xml
@@ -0,0 +1,164 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="wrap_content"
+    android:layout_height="match_parent">
+
+    <ScrollView
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:fillViewport="false"
+        android:layout_above="@+id/create_key_button_divider">
+
+        <LinearLayout
+            android:layout_width="fill_parent"
+            android:layout_height="wrap_content"
+            android:paddingLeft="16dp"
+            android:paddingRight="16dp"
+            android:orientation="vertical">
+
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="16dp"
+                android:textAppearance="?android:attr/textAppearanceMedium"
+                android:text="@string/linked_create_dns_2_1" />
+
+            <TextView
+                android:id="@+id/linked_create_dns_text"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="8dp"
+                android:layout_gravity="center_horizontal"
+                android:textIsSelectable="true"
+                android:textAppearance="?android:attr/textAppearanceSmall"
+                />
+
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="16dp"
+                android:textAppearance="?android:attr/textAppearanceMedium"
+                android:text="@string/linked_create_dns_2_2" />
+
+            <LinearLayout
+                android:layout_width="fill_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="8dp"
+                android:layout_gravity="center_horizontal"
+                style="?android:buttonBarStyle"
+                android:showDividers="middle">
+
+                <Button
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:layout_weight="1"
+                    android:layout_marginLeft="8dp"
+                    android:layout_marginRight="8dp"
+                    style="?android:buttonBarButtonStyle"
+                    android:drawableLeft="@drawable/ic_content_copy_grey_24dp"
+                    android:drawableStart="@android:drawable/ic_menu_share"
+                    android:text="Copy"
+                    android:id="@+id/button_save"
+                    />
+
+                <Button
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:layout_weight="1"
+                    android:layout_marginLeft="8dp"
+                    android:layout_marginRight="8dp"
+                    style="?android:buttonBarButtonStyle"
+                    android:drawableLeft="@android:drawable/ic_menu_share"
+                    android:drawableStart="@android:drawable/ic_menu_share"
+                    android:text="Share"
+                    android:id="@+id/button_send"
+                    />
+
+            </LinearLayout>
+
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="16dp"
+                android:textAppearance="?android:attr/textAppearanceMedium"
+                android:text="@string/linked_create_dns_2_3" />
+
+            <include layout="@layout/linked_create_verify" />
+
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="16dp"
+                android:textAppearance="?android:attr/textAppearanceMedium"
+                android:text="@string/linked_create_dns_2_4" />
+
+        </LinearLayout>
+
+    </ScrollView>
+
+    <View
+        android:id="@+id/create_key_button_divider"
+        android:layout_width="match_parent"
+        android:layout_height="1dip"
+        android:layout_marginLeft="16dp"
+        android:layout_marginRight="16dp"
+        android:background="?android:attr/listDivider"
+        android:layout_alignTop="@+id/create_key_buttons"
+        android:layout_alignParentLeft="true"
+        android:layout_alignParentStart="true" />
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:orientation="horizontal"
+        android:layout_alignParentBottom="true"
+        android:layout_alignParentLeft="true"
+        android:layout_alignParentStart="true"
+        android:layout_marginLeft="16dp"
+        android:layout_marginRight="16dp"
+        android:id="@+id/create_key_buttons">
+
+        <TextView
+            android:id="@+id/back_button"
+            android:paddingLeft="8dp"
+            android:paddingRight="8dp"
+            android:textAppearance="?android:attr/textAppearanceMedium"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            android:text="@string/btn_back"
+            android:minHeight="?android:attr/listPreferredItemHeight"
+            android:clickable="true"
+            android:textAllCaps="true"
+            style="?android:attr/borderlessButtonStyle"
+            android:drawableLeft="@drawable/ic_chevron_left_grey_24dp"
+            android:drawablePadding="8dp"
+            android:gravity="center_vertical"
+            android:layout_gravity="center_vertical" />
+
+        <View
+            android:layout_width="1dp"
+            android:layout_height="match_parent"
+            android:layout_marginTop="8dp"
+            android:layout_marginBottom="8dp"
+            android:background="?android:attr/listDivider" />
+
+        <TextView
+            android:id="@+id/next_button"
+            android:paddingLeft="8dp"
+            android:paddingRight="8dp"
+            android:textAppearance="?android:attr/textAppearanceMedium"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            android:text="@string/btn_finish"
+            android:minHeight="?android:attr/listPreferredItemHeight"
+            android:drawableRight="@drawable/ic_person_add_grey_24dp"
+            android:drawablePadding="8dp"
+            android:textAllCaps="true"
+            style="?android:attr/borderlessButtonStyle"
+            android:gravity="center_vertical|right"
+            android:clickable="true"
+            android:layout_gravity="center_vertical" />
+    </LinearLayout>
+</RelativeLayout>
+\ No newline at end of file
diff --git a/OpenKeychain/src/main/res/layout/linked_create_github_fragment_step1.xml b/OpenKeychain/src/main/res/layout/linked_create_github_fragment_step1.xml
new file mode 100644
index 000000000..2b8a810e0
--- /dev/null
+++ b/OpenKeychain/src/main/res/layout/linked_create_github_fragment_step1.xml
@@ -0,0 +1,119 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="wrap_content"
+    android:layout_height="match_parent">
+
+    <ScrollView
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:fillViewport="false"
+        android:layout_above="@+id/create_key_button_divider">
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:padding="16dp"
+            android:orientation="vertical">
+
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_gravity="center_vertical"
+                android:drawableLeft="@drawable/linked_github"
+                android:drawablePadding="8dp"
+                android:textAppearance="?android:attr/textAppearanceMedium"
+                android:text="@string/linked_create_github_1_1" />
+
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="16dp"
+                android:textAppearance="?android:attr/textAppearanceMedium"
+                android:text="@string/linked_create_github_1_2" />
+
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="16dp"
+                android:textAppearance="?android:attr/textAppearanceMedium"
+                android:text="@string/linked_create_github_1_3" />
+
+            <EditText
+                android:id="@+id/linked_create_github_handle"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:imeOptions="actionNext"
+                android:layout_marginTop="16dp"
+                android:ems="10"
+                android:layout_gravity="center_horizontal"
+                android:hint="@string/linked_create_github_handle"/>
+
+        </LinearLayout>
+
+    </ScrollView>
+
+    <View
+        android:id="@+id/create_key_button_divider"
+        android:layout_width="match_parent"
+        android:layout_height="1dip"
+        android:layout_marginLeft="16dp"
+        android:layout_marginRight="16dp"
+        android:background="?android:attr/listDivider"
+        android:layout_alignTop="@+id/create_key_buttons"
+        android:layout_alignParentLeft="true"
+        android:layout_alignParentStart="true" />
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:orientation="horizontal"
+        android:layout_alignParentBottom="true"
+        android:layout_alignParentLeft="true"
+        android:layout_alignParentStart="true"
+        android:layout_marginLeft="16dp"
+        android:layout_marginRight="16dp"
+        android:id="@+id/create_key_buttons">
+
+        <TextView
+            android:id="@+id/back_button"
+            android:paddingLeft="8dp"
+            android:paddingRight="8dp"
+            android:textAppearance="?android:attr/textAppearanceMedium"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            android:text="@string/btn_back"
+            android:minHeight="?android:attr/listPreferredItemHeight"
+            android:textAllCaps="true"
+            style="?android:attr/borderlessButtonStyle"
+            android:drawableLeft="@drawable/ic_chevron_left_grey_24dp"
+            android:drawablePadding="8dp"
+            android:clickable="true"
+            android:gravity="center_vertical"
+            android:layout_gravity="center_vertical" />
+
+        <View
+            android:layout_width="1dp"
+            android:layout_height="match_parent"
+            android:layout_marginTop="8dp"
+            android:layout_marginBottom="8dp"
+            android:background="?android:attr/listDivider" />
+
+        <TextView
+            android:id="@+id/next_button"
+            android:paddingLeft="8dp"
+            android:paddingRight="8dp"
+            android:textAppearance="?android:attr/textAppearanceMedium"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            android:text="@string/btn_next"
+            android:minHeight="?android:attr/listPreferredItemHeight"
+            android:textAllCaps="true"
+            style="?android:attr/borderlessButtonStyle"
+            android:drawableRight="@drawable/ic_chevron_right_grey_24dp"
+            android:drawablePadding="8dp"
+            android:gravity="center_vertical|right"
+            android:layout_gravity="center_vertical" />
+    </LinearLayout>
+</RelativeLayout>
+\ No newline at end of file
diff --git a/OpenKeychain/src/main/res/layout/linked_create_github_fragment_step2.xml b/OpenKeychain/src/main/res/layout/linked_create_github_fragment_step2.xml
new file mode 100644
index 000000000..81844e739
--- /dev/null
+++ b/OpenKeychain/src/main/res/layout/linked_create_github_fragment_step2.xml
@@ -0,0 +1,152 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="wrap_content"
+    android:layout_height="match_parent">
+
+    <ScrollView
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:fillViewport="false"
+        android:layout_above="@+id/create_key_button_divider">
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:paddingLeft="16dp"
+            android:paddingRight="16dp"
+            android:orientation="vertical">
+
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="16dp"
+                android:textAppearance="?android:attr/textAppearanceMedium"
+                android:text="@string/linked_create_github_2_1" />
+
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="16dp"
+                android:textAppearance="?android:attr/textAppearanceMedium"
+                android:text="@string/linked_create_github_2_2" />
+
+            <LinearLayout
+                android:layout_width="fill_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="8dp"
+                android:layout_gravity="center_horizontal"
+                style="?android:buttonBarStyle">
+
+                <Button
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:layout_weight="1"
+                    android:layout_marginLeft="8dp"
+                    android:layout_marginRight="8dp"
+                    style="?android:buttonBarButtonStyle"
+                    android:drawableLeft="@android:drawable/ic_menu_send"
+                    android:drawableStart="@android:drawable/ic_menu_send"
+                    android:text="Post Gist"
+                    android:id="@+id/button_send"
+                    />
+
+                <Button
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:layout_weight="1"
+                    android:layout_marginLeft="8dp"
+                    android:layout_marginRight="8dp"
+                    style="?android:buttonBarButtonStyle"
+                    android:drawableLeft="@android:drawable/ic_menu_share"
+                    android:drawableStart="@android:drawable/ic_menu_share"
+                    android:text="Share"
+                    android:id="@+id/button_share"
+                    />
+
+            </LinearLayout>
+
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="16dp"
+                android:textAppearance="?android:attr/textAppearanceMedium"
+                android:text="@string/linked_create_github_2_3" />
+
+            <include layout="@layout/linked_create_verify" />
+
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="16dp"
+                android:textAppearance="?android:attr/textAppearanceMedium"
+                android:text="@string/linked_create_github_2_4" />
+
+        </LinearLayout>
+
+    </ScrollView>
+
+    <View
+        android:id="@+id/create_key_button_divider"
+        android:layout_width="match_parent"
+        android:layout_height="1dip"
+        android:layout_marginLeft="16dp"
+        android:layout_marginRight="16dp"
+        android:background="?android:attr/listDivider"
+        android:layout_alignTop="@+id/create_key_buttons"
+        android:layout_alignParentLeft="true"
+        android:layout_alignParentStart="true" />
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:orientation="horizontal"
+        android:layout_alignParentBottom="true"
+        android:layout_alignParentLeft="true"
+        android:layout_alignParentStart="true"
+        android:layout_marginLeft="16dp"
+        android:layout_marginRight="16dp"
+        android:id="@+id/create_key_buttons">
+
+        <TextView
+            android:id="@+id/back_button"
+            android:paddingLeft="8dp"
+            android:paddingRight="8dp"
+            android:textAppearance="?android:attr/textAppearanceMedium"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            android:text="@string/btn_back"
+            android:minHeight="?android:attr/listPreferredItemHeight"
+            android:textAllCaps="true"
+            style="?android:attr/borderlessButtonStyle"
+            android:drawableLeft="@drawable/ic_chevron_left_grey_24dp"
+            android:drawablePadding="8dp"
+            android:gravity="center_vertical"
+            android:clickable="true"
+            android:layout_gravity="center_vertical" />
+
+        <View
+            android:layout_width="1dp"
+            android:layout_height="match_parent"
+            android:layout_marginTop="8dp"
+            android:layout_marginBottom="8dp"
+            android:background="?android:attr/listDivider" />
+
+        <TextView
+            android:id="@+id/next_button"
+            android:paddingLeft="8dp"
+            android:paddingRight="8dp"
+            android:textAppearance="?android:attr/textAppearanceMedium"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            android:text="@string/btn_finish"
+            android:minHeight="?android:attr/listPreferredItemHeight"
+            android:textAllCaps="true"
+            android:drawableRight="@drawable/ic_person_add_grey_24dp"
+            android:drawablePadding="8dp"
+            style="?android:attr/borderlessButtonStyle"
+            android:gravity="center_vertical|right"
+            android:layout_gravity="center_vertical" />
+    </LinearLayout>
+</RelativeLayout>
+\ No newline at end of file
diff --git a/OpenKeychain/src/main/res/layout/linked_create_https_fragment_step1.xml b/OpenKeychain/src/main/res/layout/linked_create_https_fragment_step1.xml
new file mode 100644
index 000000000..8b6047e21
--- /dev/null
+++ b/OpenKeychain/src/main/res/layout/linked_create_https_fragment_step1.xml
@@ -0,0 +1,129 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:custom="http://schemas.android.com/apk/res-auto"
+    android:layout_width="wrap_content"
+    android:layout_height="match_parent">
+
+    <ScrollView
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:fillViewport="false"
+        android:layout_above="@+id/create_key_button_divider">
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:padding="16dp"
+            android:orientation="vertical">
+
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:drawableLeft="@drawable/linked_https"
+                android:drawablePadding="8dp"
+                android:textAppearance="?android:attr/textAppearanceMedium"
+                android:text="@string/linked_create_https_1_1" />
+
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="16dp"
+                android:textAppearance="?android:attr/textAppearanceMedium"
+                android:text="@string/linked_create_https_1_2" />
+
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="16dp"
+                android:textAppearance="?android:attr/textAppearanceMedium"
+                android:text="@string/linked_create_https_1_3" />
+
+            <org.sufficientlysecure.keychain.ui.widget.PrefixedEditText
+                android:id="@+id/linked_create_https_uri"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:imeOptions="actionNext"
+                android:layout_marginTop="16dp"
+                android:ems="10"
+                android:inputType="textUri"
+                android:layout_gravity="center_horizontal"
+                custom:prefix="https://"
+                />
+
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="16dp"
+                android:textAppearance="?android:attr/textAppearanceMedium"
+                android:text="@string/linked_create_https_1_4" />
+
+        </LinearLayout>
+
+    </ScrollView>
+
+    <View
+        android:id="@+id/create_key_button_divider"
+        android:layout_width="match_parent"
+        android:layout_height="1dip"
+        android:layout_marginLeft="16dp"
+        android:layout_marginRight="16dp"
+        android:background="?android:attr/listDivider"
+        android:layout_alignTop="@+id/create_key_buttons"
+        android:layout_alignParentLeft="true"
+        android:layout_alignParentStart="true" />
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:orientation="horizontal"
+        android:layout_alignParentBottom="true"
+        android:layout_alignParentLeft="true"
+        android:layout_alignParentStart="true"
+        android:layout_marginLeft="16dp"
+        android:layout_marginRight="16dp"
+        android:id="@+id/create_key_buttons">
+
+        <TextView
+            android:id="@+id/back_button"
+            android:paddingLeft="8dp"
+            android:paddingRight="8dp"
+            android:textAppearance="?android:attr/textAppearanceMedium"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            android:text="@string/btn_back"
+            android:clickable="true"
+            android:minHeight="?android:attr/listPreferredItemHeight"
+            android:textAllCaps="true"
+            style="?android:attr/borderlessButtonStyle"
+            android:drawableLeft="@drawable/ic_chevron_left_grey_24dp"
+            android:drawablePadding="8dp"
+            android:gravity="center_vertical"
+            android:layout_gravity="center_vertical" />
+
+        <View
+            android:layout_width="1dp"
+            android:layout_height="match_parent"
+            android:layout_marginTop="8dp"
+            android:layout_marginBottom="8dp"
+            android:background="?android:attr/listDivider" />
+
+        <TextView
+            android:id="@+id/next_button"
+            android:paddingLeft="8dp"
+            android:paddingRight="8dp"
+            android:textAppearance="?android:attr/textAppearanceMedium"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            android:text="@string/btn_next"
+            android:minHeight="?android:attr/listPreferredItemHeight"
+            android:textAllCaps="true"
+            android:drawableRight="@drawable/ic_chevron_right_grey_24dp"
+            android:drawablePadding="8dp"
+            android:gravity="center_vertical|right"
+            style="?android:attr/borderlessButtonStyle"
+            android:clickable="true"
+            android:layout_gravity="center_vertical" />
+    </LinearLayout>
+</RelativeLayout>
+\ No newline at end of file
diff --git a/OpenKeychain/src/main/res/layout/linked_create_https_fragment_step2.xml b/OpenKeychain/src/main/res/layout/linked_create_https_fragment_step2.xml
new file mode 100644
index 000000000..dc6895a54
--- /dev/null
+++ b/OpenKeychain/src/main/res/layout/linked_create_https_fragment_step2.xml
@@ -0,0 +1,165 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="wrap_content"
+    android:layout_height="match_parent">
+
+    <ScrollView
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:fillViewport="false"
+        android:layout_above="@+id/create_key_button_divider">
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:paddingLeft="16dp"
+            android:paddingRight="16dp"
+            android:orientation="vertical">
+
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="16dp"
+                android:textAppearance="?android:attr/textAppearanceMedium"
+                android:text="@string/linked_create_https_2_1" />
+
+            <EditText
+                android:id="@+id/linked_create_https_uri"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:imeOptions="actionNext"
+                android:layout_marginTop="8dp"
+                android:hint="uri"
+                android:ems="10"
+                android:layout_gravity="center_horizontal"
+                android:inputType="textUri|none"
+                android:enabled="false"/>
+
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="16dp"
+                android:textAppearance="?android:attr/textAppearanceMedium"
+                android:text="@string/linked_create_https_2_2" />
+
+            <LinearLayout
+                android:layout_width="fill_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="8dp"
+                android:layout_gravity="center_horizontal"
+                style="?android:buttonBarStyle"
+                >
+
+                <Button
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:layout_weight="1"
+                    android:layout_marginLeft="8dp"
+                    android:layout_marginRight="8dp"
+                    style="?android:buttonBarButtonStyle"
+                    android:drawableLeft="@android:drawable/ic_menu_save"
+                    android:drawableStart="@android:drawable/ic_menu_save"
+                    android:text="Save"
+                    android:id="@+id/button_save"
+                    />
+
+                <Button
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:layout_weight="1"
+                    android:layout_marginLeft="8dp"
+                    android:layout_marginRight="8dp"
+                    style="?android:buttonBarButtonStyle"
+                    android:drawableLeft="@android:drawable/ic_menu_share"
+                    android:drawableStart="@android:drawable/ic_menu_share"
+                    android:text="Share"
+                    android:id="@+id/button_send"
+                    />
+
+            </LinearLayout>
+
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="16dp"
+                android:textAppearance="?android:attr/textAppearanceMedium"
+                android:text="@string/linked_create_https_2_3" />
+
+            <include layout="@layout/linked_create_verify" />
+
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="16dp"
+                android:textAppearance="?android:attr/textAppearanceMedium"
+                android:text="@string/linked_create_https_2_4" />
+
+        </LinearLayout>
+
+    </ScrollView>
+
+    <View
+        android:id="@+id/create_key_button_divider"
+        android:layout_width="match_parent"
+        android:layout_height="1dip"
+        android:layout_marginLeft="16dp"
+        android:layout_marginRight="16dp"
+        android:background="?android:attr/listDivider"
+        android:layout_alignTop="@+id/create_key_buttons"
+        android:layout_alignParentLeft="true"
+        android:layout_alignParentStart="true" />
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:orientation="horizontal"
+        android:layout_alignParentBottom="true"
+        android:layout_alignParentLeft="true"
+        android:layout_alignParentStart="true"
+        android:layout_marginLeft="16dp"
+        android:layout_marginRight="16dp"
+        android:id="@+id/create_key_buttons">
+
+        <TextView
+            android:id="@+id/back_button"
+            android:paddingLeft="8dp"
+            android:paddingRight="8dp"
+            android:textAppearance="?android:attr/textAppearanceMedium"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            android:text="@string/btn_back"
+            android:minHeight="?android:attr/listPreferredItemHeight"
+            android:clickable="true"
+            android:textAllCaps="true"
+            style="?android:attr/borderlessButtonStyle"
+            android:drawableLeft="@drawable/ic_chevron_left_grey_24dp"
+            android:drawablePadding="8dp"
+            android:gravity="center_vertical"
+            android:layout_gravity="center_vertical" />
+
+        <View
+            android:layout_width="1dp"
+            android:layout_height="match_parent"
+            android:layout_marginTop="8dp"
+            android:layout_marginBottom="8dp"
+            android:background="?android:attr/listDivider" />
+
+        <TextView
+            android:id="@+id/next_button"
+            android:paddingLeft="8dp"
+            android:paddingRight="8dp"
+            android:textAppearance="?android:attr/textAppearanceMedium"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            android:text="@string/btn_finish"
+            android:minHeight="?android:attr/listPreferredItemHeight"
+            android:textAllCaps="true"
+            android:drawableRight="@drawable/ic_person_add_grey_24dp"
+            android:drawablePadding="8dp"
+            style="?android:attr/borderlessButtonStyle"
+            android:gravity="center_vertical|right"
+            android:layout_gravity="center_vertical" />
+    </LinearLayout>
+</RelativeLayout>
+\ No newline at end of file
diff --git a/OpenKeychain/src/main/res/layout/linked_create_twitter_fragment_step1.xml b/OpenKeychain/src/main/res/layout/linked_create_twitter_fragment_step1.xml
new file mode 100644
index 000000000..848ee47f4
--- /dev/null
+++ b/OpenKeychain/src/main/res/layout/linked_create_twitter_fragment_step1.xml
@@ -0,0 +1,123 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:custom="http://schemas.android.com/apk/res-auto"
+    android:layout_width="wrap_content"
+    android:layout_height="match_parent"
+    >
+
+    <ScrollView
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:fillViewport="false"
+        android:layout_above="@+id/create_key_button_divider">
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:padding="16dp"
+            android:orientation="vertical">
+
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:drawableLeft="@drawable/linked_twitter"
+                android:drawablePadding="8dp"
+                android:textAppearance="?android:attr/textAppearanceMedium"
+                android:text="@string/linked_create_twitter_1_1" />
+
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="16dp"
+                android:textAppearance="?android:attr/textAppearanceMedium"
+                android:text="@string/linked_create_twitter_1_2" />
+
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="16dp"
+                android:textAppearance="?android:attr/textAppearanceMedium"
+                android:text="@string/linked_create_twitter_1_3" />
+
+            <org.sufficientlysecure.keychain.ui.widget.PrefixedEditText
+                android:id="@+id/linked_create_twitter_handle"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:imeOptions="actionNext"
+                android:layout_marginTop="16dp"
+                android:ems="10"
+                android:layout_gravity="center_horizontal"
+                android:inputType="text"
+                android:hint="@string/linked_create_twitter_handle"
+                custom:prefix="\@"
+                />
+
+        </LinearLayout>
+
+    </ScrollView>
+
+    <View
+        android:id="@+id/create_key_button_divider"
+        android:layout_width="match_parent"
+        android:layout_height="1dip"
+        android:layout_marginLeft="16dp"
+        android:layout_marginRight="16dp"
+        android:background="?android:attr/listDivider"
+        android:layout_alignTop="@+id/create_key_buttons"
+        android:layout_alignParentLeft="true"
+        android:layout_alignParentStart="true" />
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:orientation="horizontal"
+        android:layout_alignParentBottom="true"
+        android:layout_alignParentLeft="true"
+        android:layout_alignParentStart="true"
+        android:layout_marginLeft="16dp"
+        android:layout_marginRight="16dp"
+        android:id="@+id/create_key_buttons">
+
+        <TextView
+            android:id="@+id/back_button"
+            android:paddingLeft="8dp"
+            android:paddingRight="8dp"
+            android:textAppearance="?android:attr/textAppearanceMedium"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            android:text="@string/btn_back"
+            android:minHeight="?android:attr/listPreferredItemHeight"
+            android:textAllCaps="true"
+            style="?android:attr/borderlessButtonStyle"
+            android:drawableLeft="@drawable/ic_chevron_left_grey_24dp"
+            android:drawablePadding="8dp"
+            android:clickable="true"
+            android:gravity="center_vertical"
+            android:layout_gravity="center_vertical" />
+
+        <View
+            android:layout_width="1dp"
+            android:layout_height="match_parent"
+            android:layout_marginTop="8dp"
+            android:layout_marginBottom="8dp"
+            android:background="?android:attr/listDivider" />
+
+        <TextView
+            android:id="@+id/next_button"
+            android:paddingLeft="8dp"
+            android:paddingRight="8dp"
+            android:textAppearance="?android:attr/textAppearanceMedium"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            android:text="@string/btn_next"
+            android:minHeight="?android:attr/listPreferredItemHeight"
+            android:textAllCaps="true"
+            style="?android:attr/borderlessButtonStyle"
+            android:drawableRight="@drawable/ic_chevron_right_grey_24dp"
+            android:drawablePadding="8dp"
+            android:gravity="center_vertical|right"
+            android:layout_gravity="center_vertical" />
+    </LinearLayout>
+</RelativeLayout>
+\ No newline at end of file
diff --git a/OpenKeychain/src/main/res/layout/linked_create_twitter_fragment_step2.xml b/OpenKeychain/src/main/res/layout/linked_create_twitter_fragment_step2.xml
new file mode 100644
index 000000000..e66946482
--- /dev/null
+++ b/OpenKeychain/src/main/res/layout/linked_create_twitter_fragment_step2.xml
@@ -0,0 +1,154 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="wrap_content"
+    android:layout_height="match_parent">
+
+    <ScrollView
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:fillViewport="false"
+        android:layout_above="@+id/create_key_button_divider">
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:paddingLeft="16dp"
+            android:paddingRight="16dp"
+            android:orientation="vertical">
+
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="16dp"
+                android:textAppearance="?android:attr/textAppearanceMedium"
+                android:text="@string/linked_create_twitter_2_1" />
+
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="16dp"
+                android:textAppearance="?android:attr/textAppearanceSmall"
+                android:text="@string/linked_create_twitter_2_2" />
+
+            <LinearLayout
+                android:layout_width="fill_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="8dp"
+                android:layout_gravity="center_horizontal"
+                style="?android:buttonBarStyle">
+
+                <Button
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:layout_weight="1"
+                    android:layout_marginLeft="8dp"
+                    android:layout_marginRight="8dp"
+                    style="?android:buttonBarButtonStyle"
+                    android:drawableLeft="@android:drawable/ic_menu_send"
+                    android:drawableStart="@android:drawable/ic_menu_send"
+                    android:text="Tweet"
+                    android:id="@+id/button_send"
+                    />
+
+                <Button
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:layout_weight="1"
+                    android:layout_marginLeft="8dp"
+                    android:layout_marginRight="8dp"
+                    style="?android:buttonBarButtonStyle"
+                    android:drawableLeft="@android:drawable/ic_menu_share"
+                    android:drawableStart="@android:drawable/ic_menu_share"
+                    android:text="Share"
+                    android:id="@+id/button_share"
+                    />
+
+            </LinearLayout>
+
+            <TextView
+                android:id="@+id/linked_tweet_published"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="16dp"
+                android:textAppearance="?android:attr/textAppearanceMedium"
+                tools:text="@string/linked_create_twitter_2_3" />
+
+            <include layout="@layout/linked_create_verify" />
+
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="16dp"
+                android:textAppearance="?android:attr/textAppearanceMedium"
+                android:text="@string/linked_create_twitter_2_4" />
+
+        </LinearLayout>
+
+    </ScrollView>
+
+    <View
+        android:id="@+id/create_key_button_divider"
+        android:layout_width="match_parent"
+        android:layout_height="1dip"
+        android:layout_marginLeft="16dp"
+        android:layout_marginRight="16dp"
+        android:background="?android:attr/listDivider"
+        android:layout_alignTop="@+id/create_key_buttons"
+        android:layout_alignParentLeft="true"
+        android:layout_alignParentStart="true" />
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:orientation="horizontal"
+        android:layout_alignParentBottom="true"
+        android:layout_alignParentLeft="true"
+        android:layout_alignParentStart="true"
+        android:layout_marginLeft="16dp"
+        android:layout_marginRight="16dp"
+        android:id="@+id/create_key_buttons">
+
+        <TextView
+            android:id="@+id/back_button"
+            android:paddingLeft="8dp"
+            android:paddingRight="8dp"
+            android:textAppearance="?android:attr/textAppearanceMedium"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            android:text="@string/btn_back"
+            android:minHeight="?android:attr/listPreferredItemHeight"
+            android:textAllCaps="true"
+            style="?android:attr/borderlessButtonStyle"
+            android:drawableLeft="@drawable/ic_chevron_left_grey_24dp"
+            android:drawablePadding="8dp"
+            android:gravity="center_vertical"
+            android:clickable="true"
+            android:layout_gravity="center_vertical" />
+
+        <View
+            android:layout_width="1dp"
+            android:layout_height="match_parent"
+            android:layout_marginTop="8dp"
+            android:layout_marginBottom="8dp"
+            android:background="?android:attr/listDivider" />
+
+        <TextView
+            android:id="@+id/next_button"
+            android:paddingLeft="8dp"
+            android:paddingRight="8dp"
+            android:textAppearance="?android:attr/textAppearanceMedium"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            android:text="@string/btn_finish"
+            android:minHeight="?android:attr/listPreferredItemHeight"
+            android:textAllCaps="true"
+            android:drawableRight="@drawable/ic_person_add_grey_24dp"
+            android:drawablePadding="8dp"
+            style="?android:attr/borderlessButtonStyle"
+            android:gravity="center_vertical|right"
+            android:layout_gravity="center_vertical" />
+    </LinearLayout>
+</RelativeLayout>
+\ No newline at end of file
diff --git a/OpenKeychain/src/main/res/layout/linked_create_verify.xml b/OpenKeychain/src/main/res/layout/linked_create_verify.xml
new file mode 100644
index 000000000..234f43334
--- /dev/null
+++ b/OpenKeychain/src/main/res/layout/linked_create_verify.xml
@@ -0,0 +1,79 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:layout_marginTop="8dp"
+    tools:showIn="@layout/linked_create_https_fragment_step2">
+
+    <ViewAnimator
+        android:id="@+id/verify_progress"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginLeft="16dip"
+        android:layout_marginStart="16dip"
+        android:layout_gravity="center_vertical"
+        android:inAnimation="@anim/fade_in"
+        android:outAnimation="@anim/fade_out"
+        >
+
+        <ImageView
+            android:layout_width="24dp"
+            android:layout_height="24dp"
+            android:id="@+id/verify_image"
+            android:src="@drawable/status_signature_unverified_cutout_24dp"
+            />
+
+        <ProgressBar
+            android:layout_width="24dp"
+            android:layout_height="24dp"
+            android:indeterminateOnly="true" />
+
+    </ViewAnimator>
+
+    <TextView
+        android:id="@+id/verify_status"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_gravity="center_vertical"
+        android:textAppearance="?android:attr/textAppearanceMedium"
+        android:text="@string/linked_verify_pending"
+        android:layout_marginLeft="16dip"
+        android:layout_marginStart="16dip"
+        android:layout_weight="1"
+        />
+
+    <ViewAnimator
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginRight="16dp"
+        android:layout_marginEnd="16dip"
+        android:inAnimation="@anim/fade_in"
+        android:outAnimation="@anim/fade_out"
+        android:id="@+id/verify_buttons"
+        >
+
+        <Button
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            style="?android:buttonBarButtonStyle"
+            android:text="@string/linked_button_verify"
+            android:id="@+id/button_verify"
+            />
+
+        <Button
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            style="?android:buttonBarButtonStyle"
+            android:text="@string/linked_button_retry"
+            android:id="@+id/button_retry"
+            />
+
+        <Space
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content" />
+
+    </ViewAnimator>
+
+</LinearLayout>
+\ No newline at end of file
diff --git a/OpenKeychain/src/main/res/layout/linked_id_item.xml b/OpenKeychain/src/main/res/layout/linked_id_item.xml
new file mode 100644
index 000000000..d6e437dd5
--- /dev/null
+++ b/OpenKeychain/src/main/res/layout/linked_id_item.xml
@@ -0,0 +1,74 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:minHeight="?android:attr/listPreferredItemHeight"
+    android:orientation="horizontal"
+    android:singleLine="true"
+    tools:showIn="@layout/linked_id_view_fragment">
+
+    <ImageView
+        android:layout_width="32dp"
+        android:layout_height="32dp"
+        android:id="@+id/linked_id_type_icon"
+        android:layout_marginLeft="14dp"
+        android:layout_marginStart="14dp"
+        tools:src="@drawable/linked_dns"
+        android:layout_gravity="center_vertical"
+        android:scaleType="fitCenter" />
+
+    <LinearLayout
+        android:orientation="vertical"
+        android:layout_gravity="center_vertical"
+        android:layout_width="0dip"
+        android:layout_marginLeft="8dp"
+        android:layout_marginTop="4dp"
+        android:layout_marginBottom="4dp"
+        android:layout_height="wrap_content"
+        android:layout_weight="1">
+
+        <TextView
+            android:id="@+id/linked_id_title"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            tools:text="Title"
+            android:textAppearance="?android:attr/textAppearanceMedium"
+            />
+
+        <TextView
+            android:id="@+id/linked_id_comment"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            tools:text="comment"
+            android:textAppearance="?android:attr/textAppearanceSmall"
+            />
+
+    </LinearLayout>
+
+    <ViewAnimator
+        android:id="@+id/linked_id_certified"
+        android:layout_width="22dp"
+        android:layout_height="wrap_content"
+        android:layout_marginLeft="16dp"
+        android:layout_marginRight="16dp"
+        android:outAnimation="@anim/fade_out_down"
+        android:inAnimation="@anim/fade_in_up"
+        android:layout_gravity="center_vertical"
+        android:orientation="vertical">
+
+        <ImageView
+            android:id="@+id/linked_id_certified_icon"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center_horizontal"
+            tools:src="@drawable/status_signature_unknown_cutout_24dp"
+            />
+
+        <Space
+            android:layout_height="wrap_content"
+            android:layout_width="wrap_content" />
+
+    </ViewAnimator>
+
+</LinearLayout>
diff --git a/OpenKeychain/src/main/res/layout/linked_id_view_fragment.xml b/OpenKeychain/src/main/res/layout/linked_id_view_fragment.xml
new file mode 100644
index 000000000..377ce4fb6
--- /dev/null
+++ b/OpenKeychain/src/main/res/layout/linked_id_view_fragment.xml
@@ -0,0 +1,193 @@
+<?xml version="1.0" encoding="utf-8"?>
+<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:card_view="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:paddingTop="16dp"
+    android:paddingBottom="16dp"
+    android:paddingLeft="16dp"
+    android:paddingRight="16dp">
+
+    <android.support.v7.widget.CardView
+        android:id="@+id/card_linked_ids"
+        android:transitionName="card_linked_ids"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        card_view:cardBackgroundColor="@android:color/white"
+        card_view:cardElevation="2dp"
+        card_view:cardUseCompatPadding="true"
+        card_view:cardCornerRadius="4dp">
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:animateLayoutChanges="true"
+            android:orientation="vertical">
+
+            <TextView
+                style="@style/CardViewHeader"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="@string/card_linked_identity" />
+
+            <include layout="@layout/linked_id_item" />
+
+            <ViewAnimator
+                android:layout_width="fill_parent"
+                android:layout_height="wrap_content"
+                android:id="@+id/linked_verify_container"
+                android:layout_marginLeft="12dp"
+                android:layout_marginRight="12dp"
+                android:measureAllChildren="false"
+                >
+
+                <include layout="@layout/cert_list_widget" />
+
+                <LinearLayout
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:orientation="horizontal"
+                    android:baselineAligned="false"
+                    android:animateLayoutChanges="true"
+                    >
+
+                    <TextSwitcher
+                        android:id="@+id/linked_cert_text"
+                        android:layout_height="wrap_content"
+                        android:layout_width="0dip"
+                        android:layout_marginLeft="8dp"
+                        android:layout_marginTop="4dp"
+                        android:layout_marginBottom="4dp"
+                        android:inAnimation="@anim/fade_in_quick"
+                        android:outAnimation="@anim/fade_out_quick"
+                        android:measureAllChildren="false"
+                        android:layout_weight="1">
+
+                        <TextView
+                            android:layout_width="wrap_content"
+                            android:layout_height="wrap_content"
+                            android:textAppearance="?android:attr/textAppearanceSmall" />
+
+                        <TextView
+                            android:layout_width="wrap_content"
+                            android:layout_height="wrap_content"
+                            android:textAppearance="?android:attr/textAppearanceSmall" />
+
+                    </TextSwitcher>
+
+                    <ViewAnimator
+                        android:layout_width="22dp"
+                        android:layout_height="22dp"
+                        android:layout_marginLeft="16dp"
+                        android:layout_marginRight="4dp"
+                        android:layout_gravity="center"
+                        android:id="@+id/linked_cert_progress"
+                        android:inAnimation="@anim/fade_in"
+                        android:outAnimation="@anim/fade_out">
+
+                        <ProgressBar
+                            android:layout_width="22dp"
+                            android:layout_height="22dp"
+                            android:indeterminate="true"
+                            />
+
+                        <ImageView
+                            android:id="@+id/status_icon_verified"
+                            android:layout_width="22dp"
+                            android:layout_height="wrap_content"
+                            android:src="@drawable/status_signature_verified_inner_24dp"
+                            />
+
+                        <ImageView
+                            android:id="@+id/status_icon_invalid"
+                            android:layout_width="22dp"
+                            android:layout_height="wrap_content"
+                            android:src="@drawable/status_signature_invalid_cutout_24dp"
+                            />
+
+                    </ViewAnimator>
+
+                </LinearLayout>
+
+            </ViewAnimator>
+
+            <!-- this layout is used for a highlight thing, so we use padding instead of margin -->
+            <LinearLayout
+                android:layout_width="fill_parent"
+                android:layout_height="wrap_content"
+                android:paddingLeft="14dp"
+                android:paddingRight="14dp"
+                android:id="@+id/cert_key_spincontainer"
+                android:visibility="gone"
+                tools:visibility="visible"
+                >
+
+                <TextView
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:layout_gravity="center_vertical"
+                    android:textAppearance="?android:attr/textAppearanceMedium"
+                    android:layout_marginRight="4dp"
+                    android:layout_marginEnd="4dp"
+                    android:text="@string/add_keys_my_key" />
+
+                <org.sufficientlysecure.keychain.ui.widget.CertifyKeySpinner
+                    android:layout_width="fill_parent"
+                    android:layout_height="wrap_content"
+                    android:id="@+id/cert_key_spinner">
+                </org.sufficientlysecure.keychain.ui.widget.CertifyKeySpinner>
+
+            </LinearLayout>
+
+            <LinearLayout
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:orientation="horizontal"
+                android:gravity="right|end">
+
+                <Button
+                    android:id="@+id/button_view"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:text="@string/linked_button_view"
+                    android:textColor="@color/link_text_material_light"
+                    style="?android:attr/borderlessButtonStyle"
+                    />
+
+                <ViewAnimator
+                    android:id="@+id/button_animator"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:inAnimation="@anim/fade_in"
+                    android:outAnimation="@anim/fade_out">
+                    <Button
+                        android:id="@+id/button_verify"
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        android:text="@string/linked_button_verify"
+                        android:textColor="@color/link_text_material_light"
+                        style="?android:attr/borderlessButtonStyle" />
+                    <Button
+                        android:id="@+id/button_retry"
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        android:text="@string/linked_button_retry"
+                        android:textColor="@color/link_text_material_light"
+                        style="?android:attr/borderlessButtonStyle" />
+                    <Button
+                        android:id="@+id/button_confirm"
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        android:text="@string/linked_button_confirm"
+                        android:textColor="@color/link_text_material_light"
+                        style="?android:attr/borderlessButtonStyle" />
+                </ViewAnimator>
+
+            </LinearLayout>
+
+        </LinearLayout>
+
+    </android.support.v7.widget.CardView>
+
+</ScrollView>
+\ No newline at end of file
diff --git a/OpenKeychain/src/main/res/layout/linked_select_fragment.xml b/OpenKeychain/src/main/res/layout/linked_select_fragment.xml
new file mode 100644
index 000000000..25b7bd413
--- /dev/null
+++ b/OpenKeychain/src/main/res/layout/linked_select_fragment.xml
@@ -0,0 +1,188 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:paddingLeft="16dp"
+        android:paddingRight="16dp"
+        android:orientation="vertical">
+
+        <TextView
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="16dp"
+            android:layout_marginBottom="8dp"
+            android:layout_marginLeft="8dp"
+            android:layout_marginRight="8dp"
+            android:textAppearance="?android:attr/textAppearanceMedium"
+            android:text="@string/linked_select_1"
+            android:id="@+id/textView"
+            android:layout_weight="1" />
+
+        <TextView
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginBottom="8dp"
+            android:layout_marginLeft="8dp"
+            android:layout_marginRight="8dp"
+            android:textAppearance="?android:attr/textAppearanceMedium"
+            android:text="@string/linked_select_2"
+            android:layout_weight="1" />
+
+        <org.sufficientlysecure.keychain.ui.widget.FixedListView
+            android:id="@+id/view_key_user_ids"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content" />
+
+        <View
+            android:layout_width="match_parent"
+            android:layout_height="1dip"
+            android:layout_marginBottom="4dp"
+            android:background="?android:attr/listDivider" />
+
+        <LinearLayout
+            android:id="@+id/linked_create_https_button"
+            android:layout_width="match_parent"
+            android:layout_height="?android:attr/listPreferredItemHeight"
+            android:clickable="true"
+            android:background="?android:selectableItemBackground"
+            android:orientation="horizontal">
+
+            <!-- separate ImageView required for recoloring -->
+            <ImageView
+                android:id="@+id/certify_key_action_certify_image"
+                android:layout_width="60dip"
+                android:layout_height="60dip"
+                android:padding="8dp"
+                android:src="@drawable/linked_https"
+                android:layout_gravity="center_vertical" />
+
+            <TextView
+                android:paddingLeft="8dp"
+                android:paddingRight="8dp"
+                android:textAppearance="?android:attr/textAppearanceMedium"
+                android:layout_width="0dip"
+                android:layout_height="match_parent"
+                android:text="@string/linked_title_https"
+                android:layout_weight="1"
+                android:gravity="center_vertical" />
+
+        </LinearLayout>
+
+        <View
+            android:layout_width="match_parent"
+            android:layout_height="1dip"
+            android:layout_marginBottom="4dp"
+            android:background="?android:attr/listDivider" />
+
+        <LinearLayout
+            android:id="@+id/linked_create_dns_button"
+            android:layout_width="match_parent"
+            android:layout_height="?android:attr/listPreferredItemHeight"
+            android:clickable="true"
+            android:background="?android:selectableItemBackground"
+            android:orientation="horizontal">
+
+            <!-- separate ImageView required for recoloring -->
+            <ImageView
+                android:layout_width="60dip"
+                android:layout_height="60dip"
+                android:padding="8dp"
+                android:src="@drawable/linked_dns"
+                android:layout_gravity="center"
+                />
+
+            <TextView
+                android:paddingLeft="8dp"
+                android:paddingRight="8dp"
+                android:textAppearance="?android:attr/textAppearanceMedium"
+                android:layout_width="0dip"
+                android:layout_height="match_parent"
+                android:text="@string/linked_title_dns"
+                android:layout_weight="1"
+                android:gravity="center_vertical" />
+
+        </LinearLayout>
+
+        <View
+            android:layout_width="match_parent"
+            android:layout_height="1dip"
+            android:layout_marginBottom="4dp"
+            android:background="?android:attr/listDivider" />
+
+        <LinearLayout
+            android:id="@+id/linked_create_twitter_button"
+            android:layout_width="match_parent"
+            android:layout_height="?android:attr/listPreferredItemHeight"
+            android:clickable="true"
+            android:background="?android:selectableItemBackground"
+            android:orientation="horizontal">
+
+            <!-- separate ImageView required for recoloring -->
+            <ImageView
+                android:layout_width="60dip"
+                android:layout_height="60dip"
+                android:padding="8dp"
+                android:src="@drawable/linked_twitter"
+                android:layout_gravity="center"
+                />
+
+            <TextView
+                android:paddingLeft="8dp"
+                android:paddingRight="8dp"
+                android:textAppearance="?android:attr/textAppearanceMedium"
+                android:layout_width="0dip"
+                android:layout_height="match_parent"
+                android:text="@string/linked_title_twitter"
+                android:layout_weight="1"
+                android:gravity="center_vertical" />
+
+        </LinearLayout>
+
+        <View
+            android:layout_width="match_parent"
+            android:layout_height="1dip"
+            android:layout_marginBottom="4dp"
+            android:background="?android:attr/listDivider" />
+
+        <LinearLayout
+            android:id="@+id/linked_create_github_button"
+            android:layout_width="match_parent"
+            android:layout_height="?android:attr/listPreferredItemHeight"
+            android:clickable="true"
+            android:background="?android:selectableItemBackground"
+            android:orientation="horizontal">
+
+            <!-- separate ImageView required for recoloring -->
+            <ImageView
+                android:layout_width="60dip"
+                android:layout_height="60dip"
+                android:padding="8dp"
+                android:src="@drawable/linked_github"
+                android:layout_gravity="center"
+                />
+
+            <TextView
+                android:paddingLeft="8dp"
+                android:paddingRight="8dp"
+                android:textAppearance="?android:attr/textAppearanceMedium"
+                android:layout_width="0dip"
+                android:layout_height="match_parent"
+                android:text="@string/linked_title_github"
+                android:layout_weight="1"
+                android:gravity="center_vertical" />
+
+        </LinearLayout>
+
+        <View
+            android:layout_width="match_parent"
+            android:layout_height="1dip"
+            android:layout_marginBottom="4dp"
+            android:background="?android:attr/listDivider" />
+
+    </LinearLayout>
+
+</ScrollView>
+\ No newline at end of file
diff --git a/OpenKeychain/src/main/res/layout/view_key_fragment.xml b/OpenKeychain/src/main/res/layout/view_key_fragment.xml
index 0d15ba7dc..f060636a2 100644
--- a/OpenKeychain/src/main/res/layout/view_key_fragment.xml
+++ b/OpenKeychain/src/main/res/layout/view_key_fragment.xml
@@ -2,6 +2,7 @@
     xmlns:card_view="http://schemas.android.com/apk/res-auto"
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
+    xmlns:tools="http://schemas.android.com/tools"
     android:orientation="vertical"
     android:paddingBottom="16dp"
     android:paddingLeft="16dp"
@@ -34,7 +35,63 @@
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content"
                 android:layout_marginBottom="4dp" />
+
         </LinearLayout>
+
+    </android.support.v7.widget.CardView>
+
+    <android.support.v7.widget.CardView
+        android:id="@+id/card_linked_ids"
+        android:transitionName="card_linked_ids"
+        android:layout_gravity="center"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:visibility="gone"
+        tools:visibility="visible"
+        card_view:cardBackgroundColor="@android:color/white"
+        card_view:cardElevation="2dp"
+        card_view:cardUseCompatPadding="true"
+        card_view:cardCornerRadius="4dp">
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:orientation="vertical">
+
+            <TextView
+                style="@style/CardViewHeader"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="@string/section_linked_identities" />
+
+            <org.sufficientlysecure.keychain.ui.widget.FixedListView
+                android:id="@+id/view_key_linked_ids"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginBottom="4dp" />
+
+            <TextView
+                android:id="@+id/view_key_linked_ids_expander"
+                android:layout_width="fill_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="4dp"
+                android:layout_marginBottom="4dp"
+                android:gravity="center_vertical"
+                android:drawableTop="@drawable/divider"
+                android:drawableRight="@drawable/ic_expand_more_black_24dp"
+                android:drawableEnd="@drawable/ic_expand_more_black_24dp"
+                android:drawablePadding="3dp"
+                android:clickable="true"
+                android:text="@string/linked_ids_more_unknown"
+                android:paddingLeft="8dp"
+                android:paddingRight="8dp"
+                android:background="?android:selectableItemBackground"
+                android:visibility="gone"
+                tools:visibility="visible"
+                />
+
+        </LinearLayout>
+
     </android.support.v7.widget.CardView>
 
     <android.support.v7.widget.CardView
@@ -83,7 +140,9 @@
                     android:text="@string/view_key_fragment_no_system_contact"
                     android:textAppearance="?android:attr/textAppearanceMedium" />
             </LinearLayout>
+
         </LinearLayout>
+
     </android.support.v7.widget.CardView>
 
-</LinearLayout>
-\ No newline at end of file
+</LinearLayout>
diff --git a/OpenKeychain/src/main/res/menu/decrypt_menu.xml b/OpenKeychain/src/main/res/menu/decrypt_menu.xml
index 9e90fc9c7..0b81ea1db 100644
--- a/OpenKeychain/src/main/res/menu/decrypt_menu.xml
+++ b/OpenKeychain/src/main/res/menu/decrypt_menu.xml
@@ -14,4 +14,4 @@
         android:icon="@drawable/ic_share_black_24dp"
         app:showAsAction="ifRoom" />
 
-</menu>
-\ No newline at end of file
+</menu>
diff --git a/OpenKeychain/src/main/res/menu/key_view.xml b/OpenKeychain/src/main/res/menu/key_view.xml
index a76a83f07..14ea099f4 100644
--- a/OpenKeychain/src/main/res/menu/key_view.xml
+++ b/OpenKeychain/src/main/res/menu/key_view.xml
@@ -43,4 +43,9 @@
         android:visible="false"
         android:title="@string/menu_certify_fingerprint_word" />
 
-</menu>
-\ No newline at end of file
+    <item
+        android:id="@+id/menu_key_view_add_linked_identity"
+        app:showAsAction="never"
+        android:title="@string/menu_linked_add_identity" />
+
+</menu>
diff --git a/OpenKeychain/src/main/res/transition/linked_id_card_trans.xml b/OpenKeychain/src/main/res/transition/linked_id_card_trans.xml
new file mode 100644
index 000000000..8d6e75cee
--- /dev/null
+++ b/OpenKeychain/src/main/res/transition/linked_id_card_trans.xml
@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<transitionSet xmlns:android="http://schemas.android.com/apk/res/android">
+    <changeBounds />
+</transitionSet>
+\ No newline at end of file
diff --git a/OpenKeychain/src/main/res/values/attr.xml b/OpenKeychain/src/main/res/values/attr.xml
index 04642cabb..1a414e6d9 100644
--- a/OpenKeychain/src/main/res/values/attr.xml
+++ b/OpenKeychain/src/main/res/values/attr.xml
@@ -33,4 +33,8 @@
         <attr name="color_strong" format="color" />
     </declare-styleable>
 
+    <declare-styleable name="PrefixedEditText">
+        <attr name="prefix" format="string" />
+    </declare-styleable>
+
 </resources>
 \ No newline at end of file
diff --git a/OpenKeychain/src/main/res/values/strings.xml b/OpenKeychain/src/main/res/values/strings.xml
index ddd29efb4..df360bb49 100644
--- a/OpenKeychain/src/main/res/values/strings.xml
+++ b/OpenKeychain/src/main/res/values/strings.xml
@@ -14,6 +14,7 @@
     <string name="title_decrypt">"Decrypt"</string>
     <string name="title_add_subkey">"Add subkey"</string>
     <string name="title_edit_key">"Edit Key"</string>
+    <string name="title_linked_create">"Create a Linked Identity"</string>
     <string name="title_preferences">"Settings"</string>
     <string name="title_api_registered_apps">"Apps"</string>
     <string name="title_key_server_preference">"OpenPGP keyservers"</string>
@@ -83,8 +84,8 @@
     <string name="btn_back">"Back"</string>
     <string name="btn_no">"No"</string>
     <string name="btn_match">"Fingerprints match"</string>
-    <string name="btn_share_encrypted_signed">"Encrypt and share text"</string>
-    <string name="btn_copy_encrypted_signed">"Encrypt and copy text"</string>
+    <string name="btn_share_encrypted_signed">"Encrypt/sign and share text"</string>
+    <string name="btn_copy_encrypted_signed">"Encrypt/sign and copy text"</string>
     <string name="btn_view_cert_key">"View certification key"</string>
     <string name="btn_create_key">"Create key"</string>
     <string name="btn_add_files">"Add file(s)"</string>
@@ -262,6 +263,7 @@
     <string name="choice_4hours">"4 hours"</string>
     <string name="choice_8hours">"8 hours"</string>
     <string name="choice_forever">"forever"</string>
+    <string name="choice_select_cert">"Select a Key"</string>
     <string name="dsa">"DSA"</string>
     <string name="elgamal">"ElGamal"</string>
     <string name="rsa">"RSA"</string>
@@ -510,11 +512,11 @@
 
     <!-- Import result toast -->
     <plurals name="import_keys_added_and_updated_1">
-        <item quantity="one">"Successfully imported key"</item>
+        <item quantity="one">"Successfully imported one key"</item>
         <item quantity="other">"Successfully imported %1$d keys"</item>
     </plurals>
     <plurals name="import_keys_added_and_updated_2">
-        <item quantity="one">"and updated key%2$s."</item>
+        <item quantity="one">"and updated one key%2$s."</item>
         <item quantity="other">"and updated %1$d keys%2$s."</item>
     </plurals>
     <plurals name="import_keys_added">
@@ -1330,6 +1332,29 @@
     <string name="msg_revoke_key_fail">"Failed revoking key"</string>
     <string name="msg_revoke_ok">"Successfully revoked key"</string>
 
+    <!-- Linked Identity verification -->
+    <string name="msg_lv">"Verifying linked identity…"</string>
+    <string name="msg_lv_match">"Searching for token"</string>
+    <string name="msg_lv_match_error">"No token found in resource!"</string>
+    <string name="msg_lv_fp_ok">"Fingerprint OK."</string>
+    <string name="msg_lv_fp_error">"Fingerprint mismatch!"</string>
+
+    <string name="msg_lv_error_twitter_auth">"Error obtaining Twitter auth token!"</string>
+    <string name="msg_lv_error_twitter_handle">"Twitter account handle mismatch in response!"</string>
+    <string name="msg_lv_error_twitter_response">"Unexpected response from Twitter API!"</string>
+    <string name="msg_lv_error_github_handle">"Github account handle mismatch in response!"</string>
+    <string name="msg_lv_error_github_not_found">"Gist contains no matching files!"</string>
+
+    <string name="msg_lv_fetch">"Fetching URI '%s'"</string>
+    <string name="msg_lv_fetch_redir">"Following redirect to '%s'"</string>
+    <string name="msg_lv_fetch_ok">"Successfully fetched (HTTP %s)"</string>
+    <string name="msg_lv_fetch_error">"Server error (HTTP %s)"</string>
+    <string name="msg_lv_fetch_error_url">"URL is malformed!"</string>
+    <string name="msg_lv_fetch_error_io">"IO Error!"</string>
+    <string name="msg_lv_fetch_error_format">"Format error!"</string>
+    <string name="msg_lv_fetch_error_nothing">"Resource not found!"</string>
+
+
     <string name="msg_acc_saved">"Account saved"</string>
 
     <string name="msg_download_success">"Downloaded successfully!"</string>
@@ -1519,4 +1544,85 @@
     <string name="error_scan_match">"Fingerprints did not match!"</string>
     <string name="error_expiry_past">"Expiry date is in the past!"</string>
 
+    <string name="linked_create_https_1_1">"By creating a Linked Identity of this type, you can link your key to a website you control."</string>
+    <string name="linked_create_https_1_2">"To do this, you publish a text file on this website, then create a Linked Identity which links to it."</string>
+    <string name="linked_create_https_1_3">"Please enter a URL where you are able to place a text file for proof. Note that your server must support https and have a valid TLS certificate!"</string>
+    <string name="linked_create_https_1_4">"Example: https://example.com/pgpkey.txt"</string>
+    <string name="linked_create_https_created">"The proof file has been created. For the next step, you should save and upload it to the URI you indicated:"</string>
+    <string name="linked_create_https_2_1">"A proof file for this URI has been created:"</string>
+    <string name="linked_create_https_2_2">"For the next step, you should save and upload this file."</string>
+    <string name="linked_create_https_2_3">"Make sure the file is reachable at the correct URI, then verify your setup."</string>
+    <string name="linked_create_https_2_4">"After successful verification, press the Finish button to add the Linked Identity to your keyring and finish the process."</string>
+
+    <string name="linked_create_twitter_1_1">"By creating a Linked Identity of this type, you can link your key to a Twitter account you control."</string>
+    <string name="linked_create_twitter_1_2">"To do this, you publish a specific Tweet on your timeline, then create a Linked Identity which links to this Tweet."</string>
+    <string name="linked_create_twitter_1_3">"Please enter your Twitter screen name to proceed."</string>
+    <string name="linked_create_twitter_handle">Twitter Handle</string>
+    <string name="linked_create_twitter_2_1">"Click either button to tweet the message!"</string>
+    <string name="linked_create_twitter_2_2">"You can edit the Tweet before posting it, so long as the text inside the brackets is unmodified."</string>
+    <string name="linked_create_twitter_2_3">"Once your Tweet is published as &lt;b&gt;@%s&lt;/b&gt;, click the Verify button to scan your timeline for it."</string>
+    <string name="linked_create_twitter_2_4">"After successful verification, press the Finish button to add the Linked Identity to your keyring and finish the process."</string>
+
+    <string name="linked_create_github_1_1">"By creating a Linked Identity of this type, you can link your key to a Github account you control."</string>
+    <string name="linked_create_github_1_2">"To do this, you publish a specific Gist on your timeline, then create a Linked Identity which links to this Gist."</string>
+    <string name="linked_create_github_1_3">"Please enter your Twitter screen name to proceed."</string>
+    <string name="linked_create_github_handle">Github Handle</string>
+    <string name="linked_create_github_2_1">"Click either button to post the gist!"</string>
+    <string name="linked_create_github_2_2">"You can edit the Gist before posting it, so long as the text inside the brackets is unmodified."</string>
+    <string name="linked_create_github_2_3">"Once your Gist is published, click the Verify button to scan your timeline for it."</string>
+    <string name="linked_create_github_2_4">"After successful verification, press the Finish button to add the Linked Identity to your keyring and finish the process."</string>
+
+    <string name="linked_create_dns_1_1">"By creating a Linked Identity of this type, you can link your key to a domain name you control."</string>
+    <string name="linked_create_dns_1_2">"To do this, you create a specific TXT record for the domain, then create a Linked Identity which links to this record."</string>
+    <!-- An Identity of this type is especially appropriate if your email address is at the same domain. -->
+    <string name="linked_create_dns_1_3">"Please enter a fully qualified domain name to proceed."</string>
+    <string name="linked_create_dns_1_4">"Example: subdomain.example.com"</string>
+    <string name="linked_create_dns_2_1">"Your proof text:"</string>
+    <string name="linked_create_dns_2_2">"For the next step, bla bla"</string>
+    <string name="linked_create_dns_2_3">"More bla:"</string>
+    <string name="linked_create_dns_2_4">"After successful verification, press the Finish button to add the Linked Identity to your keyring and finish the process."</string>
+
+    <string name="linked_create_verify">"Verify"</string>
+    <string name="linked_text_clipboard">Text has been copied to clipboard</string>
+    <string name="linked_verified_https">"The link between this Website and key was securely verified. <b>If you believe the Website is genuine</b>, confirm this verification with your key."</string>
+    <string name="linked_verified_github">"The link between this Github account and key was securely verified. <b>If you believe the account is genuine</b>, confirm this verification with your key."</string>
+    <string name="linked_verified_dns">"The link between this Domain Name and key was securely verified. <b>If you believe the Domain is genuine</b>, confirm this verification with your key."</string>
+    <string name="linked_verified_twitter">"The link between this Twitter account and key was securely verified. <b>If you believe the account is genuine</b>, confirm this verification with your key."</string>
+    <string name="linked_verified_secret_https">"The link between your Website and key was securely verified. Everything looks in order."</string>
+    <string name="linked_verified_secret_github">"The link between your Github account and key was securely verified. Everything looks in order."</string>
+    <string name="linked_verified_secret_dns">"The link between your Domain Name and key was securely verified. Everything looks in order."</string>
+    <string name="linked_verified_secret_twitter">"The link between this Twitter account and key was securely verified. Everything looks in order."</string>
+
+    <plurals name="linked_id_expand">
+        <item quantity="one">"There is one more unknown identity type"</item>
+        <item quantity="other">"There are %d more unknown identity types"</item>
+    </plurals>
+
+    <string name="linked_select_1">"A \'linked identity\' connects your pgp key to a resource on the web."</string>
+    <string name="linked_select_2">"Please select a type:"</string>
+    <string name="linked_id_generic_text">"This file claims ownership of the OpenPGP key with long id %2$s.\n\nToken for proof:\n%1$s"</string>
+    <string name="linked_id_github_text">"This Gist confirms the Linked Identity in my OpenPGP key, and links it to this Github account.\n\nToken for proof:\n%1$s"</string>
+    <string name="linked_verifying">"Verifying…"</string>
+    <string name="linked_verify_success">"Verified!"</string>
+    <string name="linked_verify_error">"Verification error!"</string>
+    <string name="linked_verify_pending">"Not yet verified"</string>
+    <string name="linked_need_verify">The resource needs to be verified before you can proceed!</string>
+    <string name="menu_linked_add_identity">"Add Linked Identity"</string>
+    <string name="section_linked_identities">"Linked Identities"</string>
+    <string name="btn_finish">"Finish"</string>
+    <string name="linked_title_https">Website (HTTPS)</string>
+    <string name="linked_title_dns">Domain Name (DNS)</string>
+    <string name="linked_title_github">Github</string>
+    <string name="linked_title_twitter">Twitter</string>
+    <string name="card_linked_identity">Linked Identity</string>
+    <string name="linked_button_verify">Verify</string>
+    <string name="linked_button_retry">Retry</string>
+    <string name="linked_button_confirm">Confirm</string>
+    <string name="linked_button_view">View</string>
+    <string name="linked_text_verifying">Verifying…</string>
+    <string name="linked_text_error">Error</string>
+    <string name="linked_text_confirming">Confirming…</string>
+    <string name="linked_ids_more_unknown">%d more unknown identity types</string>
+    <string name="title_linked_id_create">Create Linked Identity</string>
+
 </resources>
diff --git a/OpenKeychain/src/test/java/org/sufficientlysecure/keychain/operations/CertifyOperationTest.java b/OpenKeychain/src/test/java/org/sufficientlysecure/keychain/operations/CertifyOperationTest.java
index 472e4507a..3e6b74765 100644
--- a/OpenKeychain/src/test/java/org/sufficientlysecure/keychain/operations/CertifyOperationTest.java
+++ b/OpenKeychain/src/test/java/org/sufficientlysecure/keychain/operations/CertifyOperationTest.java
@@ -208,7 +208,7 @@ public class CertifyOperationTest {
 
         CertifyActionsParcel actions = new CertifyActionsParcel(mStaticRing1.getMasterKeyId());
         actions.add(new CertifyAction(mStaticRing1.getMasterKeyId(),
-                mStaticRing2.getPublicKey().getUnorderedUserIds()));
+                mStaticRing2.getPublicKey().getUnorderedUserIds(), null));
 
         CertifyResult result = op.execute(actions, new CryptoInputParcel(new Date(), mKeyPhrase1));
 
@@ -227,7 +227,7 @@ public class CertifyOperationTest {
             CertifyActionsParcel actions = new CertifyActionsParcel(mStaticRing1.getMasterKeyId());
             ArrayList<String> uids = new ArrayList<String>();
             uids.add("nonexistent");
-            actions.add(new CertifyAction(1234L, uids));
+            actions.add(new CertifyAction(1234L, uids, null));
 
             CertifyResult result = op.execute(actions, new CryptoInputParcel(new Date(),
                     mKeyPhrase1));
@@ -240,7 +240,7 @@ public class CertifyOperationTest {
         {
             CertifyActionsParcel actions = new CertifyActionsParcel(1234L);
             actions.add(new CertifyAction(mStaticRing1.getMasterKeyId(),
-                    mStaticRing2.getPublicKey().getUnorderedUserIds()));
+                    mStaticRing2.getPublicKey().getUnorderedUserIds(), null));
 
             CertifyResult result = op.execute(actions, new CryptoInputParcel(new Date(),
                     mKeyPhrase1));
diff --git a/OpenKeychain/src/test/java/org/sufficientlysecure/keychain/pgp/UncachedKeyringMergeTest.java b/OpenKeychain/src/test/java/org/sufficientlysecure/keychain/pgp/UncachedKeyringMergeTest.java
index bb2c1323f..90189e377 100644
--- a/OpenKeychain/src/test/java/org/sufficientlysecure/keychain/pgp/UncachedKeyringMergeTest.java
+++ b/OpenKeychain/src/test/java/org/sufficientlysecure/keychain/pgp/UncachedKeyringMergeTest.java
@@ -304,7 +304,7 @@ public class UncachedKeyringMergeTest {
                     ringB.getEncoded(), false, 0).getSecretKey();
             secretKey.unlock(new Passphrase());
             PgpCertifyOperation op = new PgpCertifyOperation();
-            CertifyAction action = new CertifyAction(pubRing.getMasterKeyId(), publicRing.getPublicKey().getUnorderedUserIds());
+            CertifyAction action = new CertifyAction(pubRing.getMasterKeyId(), publicRing.getPublicKey().getUnorderedUserIds(), null);
             // sign all user ids
             PgpCertifyResult result = op.certify(secretKey, publicRing, new OperationLog(), 0, action, null, new Date());
             Assert.assertTrue("certification must succeed", result.success());
author	Vincent Breitmoser <valodim@mugenguild.com>	2015-08-29 13:28:56 +0200
committer	Vincent Breitmoser <valodim@mugenguild.com>	2015-08-29 13:28:56 +0200
commit	a6e25e6448ab162b351288ee0c241512e05c3611 (patch)
tree	d7eec4fcd2d98bc9d00e880ab3c103c86a8edbe2
parent	765ec094c9415fcaddd65b7b743179b2ea7dc098 (diff)
parent	5b75b542e8d2d467ce9e34bd9df2038d6c88885e (diff)
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