Merge branch 'master' of https://github.com/openpgp-keychain/openpgp-keychain into datefix

43 files changed, 1109 insertions, 590 deletions

diff --git a/.travis.yml b/.travis.yml
index 28827f332..946125fe0 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -10,7 +10,7 @@ before_install:
     - export PATH=${PATH}:${ANDROID_HOME}/tools:${ANDROID_HOME}/platform-tools
 
     # Install required Android components.
-    - echo "y" | android update sdk -a --filter build-tools-19.0.1,android-19,platform-tools,extra-android-support,extra-android-m2repository,android-17 --no-ui --force
+    - echo "y" | android update sdk -a --filter build-tools-19.0.3,android-19,platform-tools,extra-android-support,extra-android-m2repository,android-17 --no-ui --force
 install: echo "Installation done"
 script: gradle assemble -S -q
 
diff --git a/OpenPGP-Keychain-API/example-app/build.gradle b/OpenPGP-Keychain-API/example-app/build.gradle
index 1f8854431..975666b19 100644
--- a/OpenPGP-Keychain-API/example-app/build.gradle
+++ b/OpenPGP-Keychain-API/example-app/build.gradle
@@ -18,7 +18,7 @@ dependencies {
 
 android {
     compileSdkVersion 19
-    buildToolsVersion "19.0.1"
+    buildToolsVersion "19.0.3"
 
     defaultConfig {
         minSdkVersion 9
diff --git a/OpenPGP-Keychain-API/libraries/keychain-api-library/build.gradle b/OpenPGP-Keychain-API/libraries/keychain-api-library/build.gradle
index 1d5911783..7c923e7f6 100644
--- a/OpenPGP-Keychain-API/libraries/keychain-api-library/build.gradle
+++ b/OpenPGP-Keychain-API/libraries/keychain-api-library/build.gradle
@@ -13,7 +13,7 @@ apply plugin: 'android-library'
 
 android {
     compileSdkVersion 19
-    buildToolsVersion '19.0.1'
+    buildToolsVersion '19.0.3'
     
     // NOTE: We are using the old folder structure to also support Eclipse
     sourceSets {
diff --git a/OpenPGP-Keychain-API/libraries/keychain-api-library/build.xml b/OpenPGP-Keychain-API/libraries/keychain-api-library/build.xml
new file mode 100644
index 000000000..48ebf198c
--- /dev/null
+++ b/OpenPGP-Keychain-API/libraries/keychain-api-library/build.xml
@@ -0,0 +1,92 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project name="keychain-api-library" default="help">
+
+    <!-- The local.properties file is created and updated by the 'android' tool.
+         It contains the path to the SDK. It should *NOT* be checked into
+         Version Control Systems. -->
+    <property file="local.properties" />
+
+    <!-- The ant.properties file can be created by you. It is only edited by the
+         'android' tool to add properties to it.
+         This is the place to change some Ant specific build properties.
+         Here are some properties you may want to change/update:
+
+         source.dir
+             The name of the source directory. Default is 'src'.
+         out.dir
+             The name of the output directory. Default is 'bin'.
+
+         For other overridable properties, look at the beginning of the rules
+         files in the SDK, at tools/ant/build.xml
+
+         Properties related to the SDK location or the project target should
+         be updated using the 'android' tool with the 'update' action.
+
+         This file is an integral part of the build system for your
+         application and should be checked into Version Control Systems.
+
+         -->
+    <property file="ant.properties" />
+
+    <!-- if sdk.dir was not set from one of the property file, then
+         get it from the ANDROID_HOME env var.
+         This must be done before we load project.properties since
+         the proguard config can use sdk.dir -->
+    <property environment="env" />
+    <condition property="sdk.dir" value="${env.ANDROID_HOME}">
+        <isset property="env.ANDROID_HOME" />
+    </condition>
+
+    <!-- The project.properties file is created and updated by the 'android'
+         tool, as well as ADT.
+
+         This contains project specific properties such as project target, and library
+         dependencies. Lower level build properties are stored in ant.properties
+         (or in .classpath for Eclipse projects).
+
+         This file is an integral part of the build system for your
+         application and should be checked into Version Control Systems. -->
+    <loadproperties srcFile="project.properties" />
+
+    <!-- quick check on sdk.dir -->
+    <fail
+            message="sdk.dir is missing. Make sure to generate local.properties using 'android update project' or to inject it through the ANDROID_HOME environment variable."
+            unless="sdk.dir"
+    />
+
+    <!--
+        Import per project custom build rules if present at the root of the project.
+        This is the place to put custom intermediary targets such as:
+            -pre-build
+            -pre-compile
+            -post-compile (This is typically used for code obfuscation.
+                           Compiled code location: ${out.classes.absolute.dir}
+                           If this is not done in place, override ${out.dex.input.absolute.dir})
+            -post-package
+            -post-build
+            -pre-clean
+    -->
+    <import file="custom_rules.xml" optional="true" />
+
+    <!-- Import the actual build file.
+
+         To customize existing targets, there are two options:
+         - Customize only one target:
+             - copy/paste the target into this file, *before* the
+               <import> task.
+             - customize it to your needs.
+         - Customize the whole content of build.xml
+             - copy/paste the content of the rules files (minus the top node)
+               into this file, replacing the <import> task.
+             - customize to your needs.
+
+         ***********************
+         ****** IMPORTANT ******
+         ***********************
+         In all cases you must update the value of version-tag below to read 'custom' instead of an integer,
+         in order to avoid having your file be overridden by tools such as "android update project"
+    -->
+    <!-- version-tag: 1 -->
+    <import file="${sdk.dir}/tools/ant/build.xml" />
+
+</project>
diff --git a/OpenPGP-Keychain-API/libraries/keychain-api-library/proguard-project.txt b/OpenPGP-Keychain-API/libraries/keychain-api-library/proguard-project.txt
new file mode 100644
index 000000000..f2fe1559a
--- /dev/null
+++ b/OpenPGP-Keychain-API/libraries/keychain-api-library/proguard-project.txt
@@ -0,0 +1,20 @@
+# To enable ProGuard in your project, edit project.properties
+# to define the proguard.config property as described in that file.
+#
+# Add project specific ProGuard rules here.
+# By default, the flags in this file are appended to flags specified
+# in ${sdk.dir}/tools/proguard/proguard-android.txt
+# You can edit the include path and order by changing the ProGuard
+# include property in project.properties.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# Add any project specific keep options here:
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
diff --git a/OpenPGP-Keychain-API/libraries/keychain-api-library/src/org/openintents/openpgp/OpenPgpSignatureResult.java b/OpenPGP-Keychain-API/libraries/keychain-api-library/src/org/openintents/openpgp/OpenPgpSignatureResult.java
index 431d4be24..cb220cf6d 100644
--- a/OpenPGP-Keychain-API/libraries/keychain-api-library/src/org/openintents/openpgp/OpenPgpSignatureResult.java
+++ b/OpenPGP-Keychain-API/libraries/keychain-api-library/src/org/openintents/openpgp/OpenPgpSignatureResult.java
@@ -38,24 +38,40 @@ public class OpenPgpSignatureResult implements Parcelable {
         return status;
     }
 
+    public void setStatus(int status) {
+        this.status = status;
+    }
+
     public boolean isSignatureOnly() {
         return signatureOnly;
     }
 
+    public void setSignatureOnly(boolean signatureOnly) {
+        this.signatureOnly = signatureOnly;
+    }
+
     public String getUserId() {
         return userId;
     }
 
+    public void setUserId(String userId) {
+        this.userId = userId;
+    }
+
     public long getKeyId() {
         return keyId;
     }
 
+    public void setKeyId(long keyId) {
+        this.keyId = keyId;
+    }
+
     public OpenPgpSignatureResult() {
 
     }
 
     public OpenPgpSignatureResult(int signatureStatus, String signatureUserId,
-            boolean signatureOnly, long keyId) {
+                                  boolean signatureOnly, long keyId) {
         this.status = signatureStatus;
         this.signatureOnly = signatureOnly;
         this.userId = signatureUserId;
diff --git a/OpenPGP-Keychain/build.gradle b/OpenPGP-Keychain/build.gradle
index 1e48d8bcd..284f0430c 100644
--- a/OpenPGP-Keychain/build.gradle
+++ b/OpenPGP-Keychain/build.gradle
@@ -18,7 +18,7 @@ dependencies {
 
 android {
     compileSdkVersion 19
-    buildToolsVersion "19.0.1"
+    buildToolsVersion "19.0.3"
 
     defaultConfig {
         minSdkVersion 9
diff --git a/OpenPGP-Keychain/src/main/AndroidManifest.xml b/OpenPGP-Keychain/src/main/AndroidManifest.xml
index 749229115..10a307bfb 100644
--- a/OpenPGP-Keychain/src/main/AndroidManifest.xml
+++ b/OpenPGP-Keychain/src/main/AndroidManifest.xml
@@ -2,8 +2,8 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     package="org.sufficientlysecure.keychain"
     android:installLocation="auto"
-    android:versionCode="23101"
-    android:versionName="2.3.1 beta1">
+    android:versionCode="23102"
+    android:versionName="2.3.1 beta2">
 
     <!--
         General remarks
@@ -22,7 +22,8 @@
         Remarks about the ugly android:pathPattern:
         - We are matching all files with a specific file ending.
         This is done in an ugly way because of Android limitations.
-        Read http://stackoverflow.com/questions/1733195/android-intent-filter-for-a-particular-file-extension and http://stackoverflow.com/questions/3400072/pathpattern-to-match-file-extension-does-not-work-if-a-period-exists-elsewhere-i/8599921 
+        Read http://stackoverflow.com/questions/1733195/android-intent-filter-for-a-particular-file-extension
+        and http://stackoverflow.com/questions/3400072/pathpattern-to-match-file-extension-does-not-work-if-a-period-exists-elsewhere-i/8599921
         for more information.
         - Do _not_ set mimeType for gpg!
         Cyanogenmod's file manager will only show Keychain for gpg files if no mimeType is set!
@@ -276,7 +277,16 @@
         <activity
             android:name=".ui.PreferencesActivity"
             android:configChanges="orientation|screenSize|keyboardHidden|keyboard"
-            android:label="@string/title_preferences" />
+            android:label="@string/title_preferences" >
+            <intent-filter>
+                <action android:name="org.sufficientlysecure.keychain.ui.PREFS_GEN" />
+                <category android:name="android.intent.category.DEFAULT" />
+            </intent-filter>
+            <intent-filter>
+                <action android:name="org.sufficientlysecure.keychain.ui.PREFS_ADV" />
+                <category android:name="android.intent.category.DEFAULT" />
+            </intent-filter>
+        </activity>
         <activity
             android:name=".ui.PreferencesKeyServerActivity"
             android:configChanges="orientation|screenSize|keyboardHidden|keyboard"
diff --git a/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/pgp/PgpDecryptVerify.java b/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/pgp/PgpDecryptVerify.java
index fb97f3a5c..c568f462a 100644
--- a/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/pgp/PgpDecryptVerify.java
+++ b/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/pgp/PgpDecryptVerify.java
@@ -18,8 +18,8 @@
 package org.sufficientlysecure.keychain.pgp;
 
 import android.content.Context;
-import android.os.Bundle;
 
+import org.openintents.openpgp.OpenPgpSignatureResult;
 import org.spongycastle.bcpg.ArmoredInputStream;
 import org.spongycastle.bcpg.SignatureSubpacketTags;
 import org.spongycastle.openpgp.PGPCompressedData;
@@ -36,6 +36,7 @@ import org.spongycastle.openpgp.PGPPublicKey;
 import org.spongycastle.openpgp.PGPPublicKeyEncryptedData;
 import org.spongycastle.openpgp.PGPPublicKeyRing;
 import org.spongycastle.openpgp.PGPSecretKey;
+import org.spongycastle.openpgp.PGPSecretKeyRing;
 import org.spongycastle.openpgp.PGPSignature;
 import org.spongycastle.openpgp.PGPSignatureList;
 import org.spongycastle.openpgp.PGPSignatureSubpacketVector;
@@ -53,7 +54,7 @@ import org.sufficientlysecure.keychain.Constants;
 import org.sufficientlysecure.keychain.R;
 import org.sufficientlysecure.keychain.pgp.exception.PgpGeneralException;
 import org.sufficientlysecure.keychain.provider.ProviderHelper;
-import org.sufficientlysecure.keychain.service.KeychainIntentService;
+import org.sufficientlysecure.keychain.service.PassphraseCacheService;
 import org.sufficientlysecure.keychain.util.InputData;
 import org.sufficientlysecure.keychain.util.Log;
 import org.sufficientlysecure.keychain.util.ProgressDialogUpdater;
@@ -75,9 +76,10 @@ public class PgpDecryptVerify {
     private InputData data;
     private OutputStream outStream;
 
-    private ProgressDialogUpdater progress;
-    boolean assumeSymmetric;
-    String passphrase;
+    private ProgressDialogUpdater progressDialogUpdater;
+    private boolean assumeSymmetric;
+    private String passphrase;
+    private long enforcedKeyId;
 
     private PgpDecryptVerify(Builder builder) {
         // private Constructor can only be called from Builder
@@ -85,9 +87,10 @@ public class PgpDecryptVerify {
         this.data = builder.data;
         this.outStream = builder.outStream;
 
-        this.progress = builder.progress;
+        this.progressDialogUpdater = builder.progressDialogUpdater;
         this.assumeSymmetric = builder.assumeSymmetric;
         this.passphrase = builder.passphrase;
+        this.enforcedKeyId = builder.enforcedKeyId;
     }
 
     public static class Builder {
@@ -97,9 +100,10 @@ public class PgpDecryptVerify {
         private OutputStream outStream;
 
         // optional
-        private ProgressDialogUpdater progress = null;
+        private ProgressDialogUpdater progressDialogUpdater = null;
         private boolean assumeSymmetric = false;
         private String passphrase = "";
+        private long enforcedKeyId = 0;
 
         public Builder(Context context, InputData data, OutputStream outStream) {
             this.context = context;
@@ -107,8 +111,8 @@ public class PgpDecryptVerify {
             this.outStream = outStream;
         }
 
-        public Builder progress(ProgressDialogUpdater progress) {
-            this.progress = progress;
+        public Builder progressDialogUpdater(ProgressDialogUpdater progressDialogUpdater) {
+            this.progressDialogUpdater = progressDialogUpdater;
             return this;
         }
 
@@ -122,20 +126,32 @@ public class PgpDecryptVerify {
             return this;
         }
 
+        /**
+         * Allow this key id alone for decryption.
+         * This means only ciphertexts encrypted for this private key can be decrypted.
+         *
+         * @param enforcedKeyId
+         * @return
+         */
+        public Builder enforcedKeyId(long enforcedKeyId) {
+            this.enforcedKeyId = enforcedKeyId;
+            return this;
+        }
+
         public PgpDecryptVerify build() {
             return new PgpDecryptVerify(this);
         }
     }
 
     public void updateProgress(int message, int current, int total) {
-        if (progress != null) {
-            progress.setProgress(message, current, total);
+        if (progressDialogUpdater != null) {
+            progressDialogUpdater.setProgress(message, current, total);
         }
     }
 
     public void updateProgress(int current, int total) {
-        if (progress != null) {
-            progress.setProgress(current, total);
+        if (progressDialogUpdater != null) {
+            progressDialogUpdater.setProgress(current, total);
         }
     }
 
@@ -177,9 +193,8 @@ public class PgpDecryptVerify {
      * @throws PGPException
      * @throws SignatureException
      */
-    public Bundle execute()
+    public PgpDecryptVerifyResult execute()
             throws IOException, PgpGeneralException, PGPException, SignatureException {
-
         // automatically works with ascii armor input and binary
         InputStream in = PGPUtil.getDecoderStream(data.getInputStream());
         if (in instanceof ArmoredInputStream) {
@@ -207,9 +222,9 @@ public class PgpDecryptVerify {
      * @throws PGPException
      * @throws SignatureException
      */
-    private Bundle decryptVerify(InputStream in)
+    private PgpDecryptVerifyResult decryptVerify(InputStream in)
             throws IOException, PgpGeneralException, PGPException, SignatureException {
-        Bundle returnData = new Bundle();
+        PgpDecryptVerifyResult returnData = new PgpDecryptVerifyResult();
 
         PGPObjectFactory pgpF = new PGPObjectFactory(in);
         PGPEncryptedDataList enc;
@@ -277,9 +292,40 @@ public class PgpDecryptVerify {
                     PGPPublicKeyEncryptedData encData = (PGPPublicKeyEncryptedData) obj;
                     secretKey = ProviderHelper.getPGPSecretKeyByKeyId(context, encData.getKeyID());
                     if (secretKey != null) {
+                        // secret key exists in database
+
+                        // allow only a specific key for decryption?
+                        if (enforcedKeyId != 0) {
+                            // TODO: improve this code! get master key directly!
+                            PGPSecretKeyRing secretKeyRing = ProviderHelper.getPGPSecretKeyRingByKeyId(context, encData.getKeyID());
+                            long masterKeyId = PgpKeyHelper.getMasterKey(secretKeyRing).getKeyID();
+                            Log.d(Constants.TAG, "encData.getKeyID():" + encData.getKeyID());
+                            Log.d(Constants.TAG, "enforcedKeyId: " + enforcedKeyId);
+                            Log.d(Constants.TAG, "masterKeyId: " + masterKeyId);
+
+                            if (enforcedKeyId != masterKeyId) {
+                                throw new PgpGeneralException(context.getString(R.string.error_no_secret_key_found));
+                            }
+                        }
+
                         pbe = encData;
+
+                        // if no passphrase was explicitly set try to get it from the cache service
+                        if (passphrase == null) {
+                            // returns "" if key has no passphrase
+                            passphrase = PassphraseCacheService.getCachedPassphrase(context, encData.getKeyID());
+
+                            // if passphrase was not cached, return here indicating that a passphrase is missing!
+                            if (passphrase == null) {
+                                returnData.setKeyPassphraseNeeded(true);
+                                return returnData;
+                            }
+                        }
+
                         break;
                     }
+
+
                 }
             }
 
@@ -317,6 +363,7 @@ public class PgpDecryptVerify {
         PGPObjectFactory plainFact = new PGPObjectFactory(clear);
         Object dataChunk = plainFact.nextObject();
         PGPOnePassSignature signature = null;
+        OpenPgpSignatureResult signatureResult = null;
         PGPPublicKey signatureKey = null;
         int signatureIndex = -1;
 
@@ -334,7 +381,7 @@ public class PgpDecryptVerify {
         if (dataChunk instanceof PGPOnePassSignatureList) {
             updateProgress(R.string.progress_processing_signature, currentProgress, 100);
 
-            returnData.putBoolean(KeychainIntentService.RESULT_SIGNATURE, true);
+            signatureResult = new OpenPgpSignatureResult();
             PGPOnePassSignatureList sigList = (PGPOnePassSignatureList) dataChunk;
             for (int i = 0; i < sigList.size(); ++i) {
                 signature = sigList.get(i);
@@ -354,12 +401,12 @@ public class PgpDecryptVerify {
                     if (signKeyRing != null) {
                         userId = PgpKeyHelper.getMainUserId(PgpKeyHelper.getMasterKey(signKeyRing));
                     }
-                    returnData.putString(KeychainIntentService.RESULT_SIGNATURE_USER_ID, userId);
+                    signatureResult.setUserId(userId);
                     break;
                 }
             }
 
-            returnData.putLong(KeychainIntentService.RESULT_SIGNATURE_KEY_ID, signatureKeyId);
+            signatureResult.setKeyId(signatureKeyId);
 
             if (signature != null) {
                 JcaPGPContentVerifierBuilderProvider contentVerifierBuilderProvider = new JcaPGPContentVerifierBuilderProvider()
@@ -367,7 +414,7 @@ public class PgpDecryptVerify {
 
                 signature.init(contentVerifierBuilderProvider, signatureKey);
             } else {
-                returnData.putBoolean(KeychainIntentService.RESULT_SIGNATURE_UNKNOWN, true);
+                signatureResult.setStatus(OpenPgpSignatureResult.SIGNATURE_UNKNOWN_PUB_KEY);
             }
 
             dataChunk = plainFact.nextObject();
@@ -405,8 +452,7 @@ public class PgpDecryptVerify {
                     try {
                         signature.update(buffer, 0, n);
                     } catch (SignatureException e) {
-                        returnData
-                                .putBoolean(KeychainIntentService.RESULT_SIGNATURE_SUCCESS, false);
+                        signatureResult.setStatus(OpenPgpSignatureResult.SIGNATURE_ERROR);
                         signature = null;
                     }
                 }
@@ -430,17 +476,20 @@ public class PgpDecryptVerify {
                 PGPSignature messageSignature = signatureList.get(signatureIndex);
 
                 // these are not cleartext signatures!
-                returnData.putBoolean(KeychainIntentService.RESULT_CLEARTEXT_SIGNATURE_ONLY, false);
+                // TODO: what about binary signatures?
+                signatureResult.setSignatureOnly(false);
 
                 //Now check binding signatures
-                boolean keyBinding_isok = verifyKeyBinding(context, messageSignature, signatureKey);
-                boolean sig_isok = signature.verify(messageSignature);
+                boolean validKeyBinding = verifyKeyBinding(context, messageSignature, signatureKey);
+                boolean validSignature = signature.verify(messageSignature);
 
-                returnData.putBoolean(KeychainIntentService.RESULT_SIGNATURE_SUCCESS, keyBinding_isok & sig_isok);
+                // TODO: implement CERTIFIED!
+                if (validKeyBinding & validSignature) {
+                    signatureResult.setStatus(OpenPgpSignatureResult.SIGNATURE_SUCCESS_UNCERTIFIED);
+                }
             }
         }
 
-        // TODO: test if this integrity really check works!
         if (encryptedData.isIntegrityProtected()) {
             updateProgress(R.string.progress_verifying_integrity, 95, 100);
 
@@ -455,9 +504,12 @@ public class PgpDecryptVerify {
         } else {
             // no integrity check
             Log.e(Constants.TAG, "Encrypted data was not integrity protected!");
+            // TODO: inform user?
         }
 
         updateProgress(R.string.progress_done, 100, 100);
+
+        returnData.setSignatureResult(signatureResult);
         return returnData;
     }
 
@@ -474,11 +526,12 @@ public class PgpDecryptVerify {
      * @throws PGPException
      * @throws SignatureException
      */
-    private Bundle verifyCleartextSignature(ArmoredInputStream aIn)
+    private PgpDecryptVerifyResult verifyCleartextSignature(ArmoredInputStream aIn)
             throws IOException, PgpGeneralException, PGPException, SignatureException {
-        Bundle returnData = new Bundle();
+        PgpDecryptVerifyResult returnData = new PgpDecryptVerifyResult();
+        OpenPgpSignatureResult signatureResult = new OpenPgpSignatureResult();
         // cleartext signatures are never encrypted ;)
-        returnData.putBoolean(KeychainIntentService.RESULT_CLEARTEXT_SIGNATURE_ONLY, true);
+        signatureResult.setSignatureOnly(true);
 
         ByteArrayOutputStream out = new ByteArrayOutputStream();
 
@@ -504,8 +557,6 @@ public class PgpDecryptVerify {
         byte[] clearText = out.toByteArray();
         outStream.write(clearText);
 
-        returnData.putBoolean(KeychainIntentService.RESULT_SIGNATURE, true);
-
         updateProgress(R.string.progress_processing_signature, 60, 100);
         PGPObjectFactory pgpFact = new PGPObjectFactory(aIn);
 
@@ -533,15 +584,15 @@ public class PgpDecryptVerify {
                 if (signKeyRing != null) {
                     userId = PgpKeyHelper.getMainUserId(PgpKeyHelper.getMasterKey(signKeyRing));
                 }
-                returnData.putString(KeychainIntentService.RESULT_SIGNATURE_USER_ID, userId);
+                signatureResult.setUserId(userId);
                 break;
             }
         }
 
-        returnData.putLong(KeychainIntentService.RESULT_SIGNATURE_KEY_ID, signatureKeyId);
+        signatureResult.setKeyId(signatureKeyId);
 
         if (signature == null) {
-            returnData.putBoolean(KeychainIntentService.RESULT_SIGNATURE_UNKNOWN, true);
+            signatureResult.setStatus(OpenPgpSignatureResult.SIGNATURE_UNKNOWN_PUB_KEY);
             updateProgress(R.string.progress_done, 100, 100);
             return returnData;
         }
@@ -569,47 +620,52 @@ public class PgpDecryptVerify {
             } while (lookAhead != -1);
         }
 
-        boolean sig_isok = signature.verify();
-
         //Now check binding signatures
-        boolean keyBinding_isok = verifyKeyBinding(context, signature, signatureKey);
+        boolean validKeyBinding = verifyKeyBinding(context, signature, signatureKey);
+        boolean validSignature = signature.verify();
 
-        returnData.putBoolean(KeychainIntentService.RESULT_SIGNATURE_SUCCESS, sig_isok & keyBinding_isok);
+        if (validSignature & validKeyBinding) {
+            signatureResult.setStatus(OpenPgpSignatureResult.SIGNATURE_SUCCESS_UNCERTIFIED);
+        }
+
+        // TODO: what about SIGNATURE_SUCCESS_CERTIFIED and SIGNATURE_ERROR????
 
         updateProgress(R.string.progress_done, 100, 100);
+
+        returnData.setSignatureResult(signatureResult);
         return returnData;
     }
 
     private static boolean verifyKeyBinding(Context context, PGPSignature signature, PGPPublicKey signatureKey) {
         long signatureKeyId = signature.getKeyID();
-        boolean keyBinding_isok = false;
-        String userId = null;
+        boolean validKeyBinding = false;
+
         PGPPublicKeyRing signKeyRing = ProviderHelper.getPGPPublicKeyRingByKeyId(context,
                 signatureKeyId);
         PGPPublicKey mKey = null;
         if (signKeyRing != null) {
             mKey = PgpKeyHelper.getMasterKey(signKeyRing);
         }
+
         if (signature.getKeyID() != mKey.getKeyID()) {
-            keyBinding_isok = verifyKeyBinding(mKey, signatureKey);
+            validKeyBinding = verifyKeyBinding(mKey, signatureKey);
         } else { //if the key used to make the signature was the master key, no need to check binding sigs
-            keyBinding_isok = true;
+            validKeyBinding = true;
         }
-        return keyBinding_isok;
+        return validKeyBinding;
     }
 
     private static boolean verifyKeyBinding(PGPPublicKey masterPublicKey, PGPPublicKey signingPublicKey) {
-        boolean subkeyBinding_isok = false;
-        boolean tmp_subkeyBinding_isok = false;
-        boolean primkeyBinding_isok = false;
-        JcaPGPContentVerifierBuilderProvider contentVerifierBuilderProvider = new JcaPGPContentVerifierBuilderProvider()
-                .setProvider(Constants.BOUNCY_CASTLE_PROVIDER_NAME);
+        boolean validSubkeyBinding = false;
+        boolean validTempSubkeyBinding = false;
+        boolean validPrimaryKeyBinding = false;
+
+        JcaPGPContentVerifierBuilderProvider contentVerifierBuilderProvider =
+                new JcaPGPContentVerifierBuilderProvider()
+                        .setProvider(Constants.BOUNCY_CASTLE_PROVIDER_NAME);
 
         Iterator<PGPSignature> itr = signingPublicKey.getSignatures();
 
-        subkeyBinding_isok = false;
-        tmp_subkeyBinding_isok = false;
-        primkeyBinding_isok = false;
         while (itr.hasNext()) { //what does gpg do if the subkey binding is wrong?
             //gpg has an invalid subkey binding error on key import I think, but doesn't shout
             //about keys without subkey signing. Can't get it to import a slightly broken one
@@ -619,32 +675,36 @@ public class PgpDecryptVerify {
                 //check and if ok, check primary key binding.
                 try {
                     sig.init(contentVerifierBuilderProvider, masterPublicKey);
-                    tmp_subkeyBinding_isok = sig.verifyCertification(masterPublicKey, signingPublicKey);
+                    validTempSubkeyBinding = sig.verifyCertification(masterPublicKey, signingPublicKey);
                 } catch (PGPException e) {
                     continue;
                 } catch (SignatureException e) {
                     continue;
                 }
 
-                if (tmp_subkeyBinding_isok)
-                    subkeyBinding_isok = true;
-                if (tmp_subkeyBinding_isok) {
-                    primkeyBinding_isok = verifyPrimaryBinding(sig.getUnhashedSubPackets(), masterPublicKey, signingPublicKey);
-                    if (primkeyBinding_isok)
+                if (validTempSubkeyBinding)
+                    validSubkeyBinding = true;
+                if (validTempSubkeyBinding) {
+                    validPrimaryKeyBinding = verifyPrimaryKeyBinding(sig.getUnhashedSubPackets(),
+                            masterPublicKey, signingPublicKey);
+                    if (validPrimaryKeyBinding)
                         break;
-                    primkeyBinding_isok = verifyPrimaryBinding(sig.getHashedSubPackets(), masterPublicKey, signingPublicKey);
-                    if (primkeyBinding_isok)
+                    validPrimaryKeyBinding = verifyPrimaryKeyBinding(sig.getHashedSubPackets(),
+                            masterPublicKey, signingPublicKey);
+                    if (validPrimaryKeyBinding)
                         break;
                 }
             }
         }
-        return (subkeyBinding_isok & primkeyBinding_isok);
+        return (validSubkeyBinding & validPrimaryKeyBinding);
     }
 
-    private static boolean verifyPrimaryBinding(PGPSignatureSubpacketVector Pkts, PGPPublicKey masterPublicKey, PGPPublicKey signingPublicKey) {
-        boolean primkeyBinding_isok = false;
-        JcaPGPContentVerifierBuilderProvider contentVerifierBuilderProvider = new JcaPGPContentVerifierBuilderProvider()
-                .setProvider(Constants.BOUNCY_CASTLE_PROVIDER_NAME);
+    private static boolean verifyPrimaryKeyBinding(PGPSignatureSubpacketVector Pkts,
+                                                   PGPPublicKey masterPublicKey, PGPPublicKey signingPublicKey) {
+        boolean validPrimaryKeyBinding = false;
+        JcaPGPContentVerifierBuilderProvider contentVerifierBuilderProvider =
+                new JcaPGPContentVerifierBuilderProvider()
+                        .setProvider(Constants.BOUNCY_CASTLE_PROVIDER_NAME);
         PGPSignatureList eSigList;
 
         if (Pkts.hasSubpacket(SignatureSubpacketTags.EMBEDDED_SIGNATURE)) {
@@ -660,8 +720,8 @@ public class PgpDecryptVerify {
                 if (emSig.getSignatureType() == PGPSignature.PRIMARYKEY_BINDING) {
                     try {
                         emSig.init(contentVerifierBuilderProvider, signingPublicKey);
-                        primkeyBinding_isok = emSig.verifyCertification(masterPublicKey, signingPublicKey);
-                        if (primkeyBinding_isok)
+                        validPrimaryKeyBinding = emSig.verifyCertification(masterPublicKey, signingPublicKey);
+                        if (validPrimaryKeyBinding)
                             break;
                     } catch (PGPException e) {
                         continue;
@@ -671,7 +731,8 @@ public class PgpDecryptVerify {
                 }
             }
         }
-        return primkeyBinding_isok;
+
+        return validPrimaryKeyBinding;
     }
 
     /**
diff --git a/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/pgp/PgpDecryptVerifyResult.java b/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/pgp/PgpDecryptVerifyResult.java
new file mode 100644
index 000000000..0477c4fdf
--- /dev/null
+++ b/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/pgp/PgpDecryptVerifyResult.java
@@ -0,0 +1,88 @@
+/*
+ * 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.pgp;
+
+import android.os.Parcel;
+import android.os.Parcelable;
+
+import org.openintents.openpgp.OpenPgpSignatureResult;
+
+public class PgpDecryptVerifyResult implements Parcelable {
+    boolean symmetricPassphraseNeeded;
+    boolean keyPassphraseNeeded;
+    OpenPgpSignatureResult signatureResult;
+
+    public boolean isSymmetricPassphraseNeeded() {
+        return symmetricPassphraseNeeded;
+    }
+
+    public void setSymmetricPassphraseNeeded(boolean symmetricPassphraseNeeded) {
+        this.symmetricPassphraseNeeded = symmetricPassphraseNeeded;
+    }
+
+    public boolean isKeyPassphraseNeeded() {
+        return keyPassphraseNeeded;
+    }
+
+    public void setKeyPassphraseNeeded(boolean keyPassphraseNeeded) {
+        this.keyPassphraseNeeded = keyPassphraseNeeded;
+    }
+
+    public OpenPgpSignatureResult getSignatureResult() {
+        return signatureResult;
+    }
+
+    public void setSignatureResult(OpenPgpSignatureResult signatureResult) {
+        this.signatureResult = signatureResult;
+    }
+
+    public PgpDecryptVerifyResult() {
+
+    }
+
+    public PgpDecryptVerifyResult(PgpDecryptVerifyResult b) {
+        this.symmetricPassphraseNeeded = b.symmetricPassphraseNeeded;
+        this.keyPassphraseNeeded = b.keyPassphraseNeeded;
+        this.signatureResult = b.signatureResult;
+    }
+
+
+    public int describeContents() {
+        return 0;
+    }
+
+    public void writeToParcel(Parcel dest, int flags) {
+        dest.writeByte((byte) (symmetricPassphraseNeeded ? 1 : 0));
+        dest.writeByte((byte) (keyPassphraseNeeded ? 1 : 0));
+        dest.writeParcelable(signatureResult, 0);
+    }
+
+    public static final Creator<PgpDecryptVerifyResult> CREATOR = new Creator<PgpDecryptVerifyResult>() {
+        public PgpDecryptVerifyResult createFromParcel(final Parcel source) {
+            PgpDecryptVerifyResult vr = new PgpDecryptVerifyResult();
+            vr.symmetricPassphraseNeeded = source.readByte() == 1;
+            vr.keyPassphraseNeeded = source.readByte() == 1;
+            vr.signatureResult = source.readParcelable(OpenPgpSignatureResult.class.getClassLoader());
+            return vr;
+        }
+
+        public PgpDecryptVerifyResult[] newArray(final int size) {
+            return new PgpDecryptVerifyResult[size];
+        }
+    };
+}
diff --git a/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/service/KeychainIntentService.java b/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/service/KeychainIntentService.java
index 302dbea0b..cf507826e 100644
--- a/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/service/KeychainIntentService.java
+++ b/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/service/KeychainIntentService.java
@@ -44,6 +44,7 @@ import org.sufficientlysecure.keychain.helper.OtherHelper;
 import org.sufficientlysecure.keychain.helper.Preferences;
 import org.sufficientlysecure.keychain.pgp.PgpConversionHelper;
 import org.sufficientlysecure.keychain.pgp.PgpDecryptVerify;
+import org.sufficientlysecure.keychain.pgp.PgpDecryptVerifyResult;
 import org.sufficientlysecure.keychain.pgp.PgpHelper;
 import org.sufficientlysecure.keychain.pgp.PgpImportExport;
 import org.sufficientlysecure.keychain.pgp.PgpKeyOperation;
@@ -181,13 +182,7 @@ public class KeychainIntentService extends IntentService implements ProgressDial
     // decrypt/verify
     public static final String RESULT_DECRYPTED_STRING = "decrypted_message";
     public static final String RESULT_DECRYPTED_BYTES = "decrypted_data";
-    public static final String RESULT_SIGNATURE = "signature";
-    public static final String RESULT_SIGNATURE_KEY_ID = "signature_key_id";
-    public static final String RESULT_SIGNATURE_USER_ID = "signature_user_id";
-    public static final String RESULT_CLEARTEXT_SIGNATURE_ONLY = "signature_only";
-
-    public static final String RESULT_SIGNATURE_SUCCESS = "signature_success";
-    public static final String RESULT_SIGNATURE_UNKNOWN = "signature_unknown";
+    public static final String RESULT_DECRYPT_VERIFY_RESULT = "signature";
 
     // import
     public static final String RESULT_IMPORT_ADDED = "added";
@@ -206,7 +201,7 @@ public class KeychainIntentService extends IntentService implements ProgressDial
     private boolean mIsCanceled;
 
     public KeychainIntentService() {
-        super("ApgService");
+        super("KeychainIntentService");
     }
 
     @Override
@@ -489,15 +484,17 @@ public class KeychainIntentService extends IntentService implements ProgressDial
                 // verifyText and decrypt returning additional resultData values for the
                 // verification of signatures
                 PgpDecryptVerify.Builder builder = new PgpDecryptVerify.Builder(this, inputData, outStream);
-                builder.progress(this);
+                builder.progressDialogUpdater(this);
 
                 builder.assumeSymmetric(assumeSymmetricEncryption)
                         .passphrase(PassphraseCacheService.getCachedPassphrase(this, secretKeyId));
 
-                resultData = builder.build().execute();
+                PgpDecryptVerifyResult decryptVerifyResult = builder.build().execute();
 
                 outStream.close();
 
+                resultData.putParcelable(RESULT_DECRYPT_VERIFY_RESULT, decryptVerifyResult);
+
                 /* Output */
 
                 switch (target) {
@@ -867,10 +864,10 @@ public class KeychainIntentService extends IntentService implements ProgressDial
     }
 
     /**
-     * Set progress of ProgressDialog by sending message to handler on UI thread
+     * Set progressDialogUpdater of ProgressDialog by sending message to handler on UI thread
      */
     public void setProgress(String message, int progress, int max) {
-        Log.d(Constants.TAG, "Send message by setProgress with progress=" + progress + ", max="
+        Log.d(Constants.TAG, "Send message by setProgress with progressDialogUpdater=" + progress + ", max="
                 + max);
 
         Bundle data = new Bundle();
diff --git a/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/service/remote/OpenPgpService.java b/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/service/remote/OpenPgpService.java
index 8c8e6f00a..8b34c4421 100644
--- a/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/service/remote/OpenPgpService.java
+++ b/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/service/remote/OpenPgpService.java
@@ -21,7 +21,6 @@ import android.app.PendingIntent;
 import android.content.Intent;
 import android.database.Cursor;
 import android.net.Uri;
-import android.os.Bundle;
 import android.os.IBinder;
 import android.os.ParcelFileDescriptor;
 
@@ -33,9 +32,10 @@ import org.spongycastle.util.Arrays;
 import org.sufficientlysecure.keychain.Constants;
 import org.sufficientlysecure.keychain.Id;
 import org.sufficientlysecure.keychain.pgp.PgpDecryptVerify;
+import org.sufficientlysecure.keychain.pgp.PgpDecryptVerifyResult;
 import org.sufficientlysecure.keychain.pgp.PgpSignEncrypt;
+import org.sufficientlysecure.keychain.pgp.exception.PgpGeneralException;
 import org.sufficientlysecure.keychain.provider.KeychainContract;
-import org.sufficientlysecure.keychain.service.KeychainIntentService;
 import org.sufficientlysecure.keychain.service.PassphraseCacheService;
 import org.sufficientlysecure.keychain.util.InputData;
 import org.sufficientlysecure.keychain.util.Log;
@@ -284,97 +284,29 @@ public class OpenPgpService extends RemoteService {
             Intent result = new Intent();
             try {
 
-                // TODO:
-                // fix the mess: http://stackoverflow.com/questions/148130/how-do-i-peek-at-the-first-two-bytes-in-an-inputstream
-                // should we allow to decrypt everything under every key id or only the one set?
-                // TODO: instead of trying to get the passphrase before
-                // pause stream when passphrase is missing and then resume
-
-                // TODO: put this code into PgpDecryptVerify class
-
-                // TODO: This allows to decrypt messages with ALL secret keys, not only the one for the
-                // app, Fix this?
-//                String passphrase = null;
-//                if (!signedOnly) {
-//                    // BEGIN Get key
-//                    // TODO: this input stream is consumed after PgpMain.getDecryptionKeyId()... do it
-//                    // better!
-//                    InputStream inputStream2 = new ByteArrayInputStream(inputBytes);
-//
-//                    // TODO: duplicates functions from DecryptActivity!
-//                    long secretKeyId;
-//                    try {
-//                        if (inputStream2.markSupported()) {
-//                            // should probably set this to the max size of two
-//                            // pgpF objects, if it even needs to be anything other
-//                            // than 0.
-//                            inputStream2.mark(200);
-//                        }
-//                        secretKeyId = PgpHelper.getDecryptionKeyId(this, inputStream2);
-//                        if (secretKeyId == Id.key.none) {
-//                            throw new PgpGeneralException(getString(R.string.error_no_secret_key_found));
-//                        }
-//                    } catch (NoAsymmetricEncryptionException e) {
-//                        if (inputStream2.markSupported()) {
-//                            inputStream2.reset();
-//                        }
-//                        secretKeyId = Id.key.symmetric;
-//                        if (!PgpDecryptVerify.hasSymmetricEncryption(this, inputStream2)) {
-//                            throw new PgpGeneralException(
-//                                    getString(R.string.error_no_known_encryption_found));
-//                        }
-//                        // we do not support symmetric decryption from the API!
-//                        throw new Exception("Symmetric decryption is not supported!");
-//                    }
-//
-//                    Log.d(Constants.TAG, "secretKeyId " + secretKeyId);
-
-                // NOTE: currently this only gets the passphrase for the key set for this client
-                String passphrase;
-                if (data.hasExtra(OpenPgpApi.EXTRA_PASSPHRASE)) {
-                    passphrase = data.getStringExtra(OpenPgpApi.EXTRA_PASSPHRASE);
-                } else {
-                    passphrase = PassphraseCacheService.getCachedPassphrase(getContext(), appSettings.getKeyId());
-                }
-                if (passphrase == null) {
-                    // get PendingIntent for passphrase input, add it to given params and return to client
-                    Intent passphraseBundle = getPassphraseBundleIntent(data, appSettings.getKeyId());
-                    return passphraseBundle;
-                }
-
+                String passphrase = data.getStringExtra(OpenPgpApi.EXTRA_PASSPHRASE);
                 long inputLength = is.available();
                 InputData inputData = new InputData(is, inputLength);
 
-                Bundle outputBundle;
                 PgpDecryptVerify.Builder builder = new PgpDecryptVerify.Builder(this, inputData, os);
-
-                builder.assumeSymmetric(false)
+                builder.assumeSymmetric(false) // no support for symmetric encryption
+                        .enforcedKeyId(appSettings.getKeyId()) // allow only the private key for this app for decryption
                         .passphrase(passphrase);
 
-                // TODO: this also decrypts with other secret keys that have no passphrase!!!
-                outputBundle = builder.build().execute();
-
-                //TODO: instead of using all these wrapping use OpenPgpSignatureResult directly
-                // in DecryptVerify class and then in DecryptActivity
-                boolean signature = outputBundle.getBoolean(KeychainIntentService.RESULT_SIGNATURE, false);
-                if (signature) {
-                    long signatureKeyId = outputBundle
-                            .getLong(KeychainIntentService.RESULT_SIGNATURE_KEY_ID, 0);
-                    String signatureUserId = outputBundle
-                            .getString(KeychainIntentService.RESULT_SIGNATURE_USER_ID);
-                    boolean signatureSuccess = outputBundle
-                            .getBoolean(KeychainIntentService.RESULT_SIGNATURE_SUCCESS, false);
-                    boolean signatureUnknown = outputBundle
-                            .getBoolean(KeychainIntentService.RESULT_SIGNATURE_UNKNOWN, false);
-                    boolean signatureOnly = outputBundle
-                            .getBoolean(KeychainIntentService.RESULT_CLEARTEXT_SIGNATURE_ONLY, false);
-
-                    int signatureStatus = OpenPgpSignatureResult.SIGNATURE_ERROR;
-                    if (signatureSuccess) {
-                        signatureStatus = OpenPgpSignatureResult.SIGNATURE_SUCCESS_CERTIFIED;
-                    } else if (signatureUnknown) {
-                        signatureStatus = OpenPgpSignatureResult.SIGNATURE_UNKNOWN_PUB_KEY;
+                // TODO: currently does not support binary signed-only content
+                PgpDecryptVerifyResult decryptVerifyResult = builder.build().execute();
 
+                if (decryptVerifyResult.isKeyPassphraseNeeded()) {
+                    // get PendingIntent for passphrase input, add it to given params and return to client
+                    Intent passphraseBundle = getPassphraseBundleIntent(data, appSettings.getKeyId());
+                    return passphraseBundle;
+                } else if (decryptVerifyResult.isSymmetricPassphraseNeeded()) {
+                    throw new PgpGeneralException("Decryption of symmetric content not supported by API!");
+                }
+
+                OpenPgpSignatureResult signatureResult = decryptVerifyResult.getSignatureResult();
+                if (signatureResult != null) {
+                    if (signatureResult.getStatus() == OpenPgpSignatureResult.SIGNATURE_UNKNOWN_PUB_KEY) {
                         // If signature is unknown we return an additional PendingIntent
                         // to retrieve the missing key
                         // TODO!!!
@@ -389,11 +321,9 @@ public class OpenPgpService extends RemoteService {
                         result.putExtra(OpenPgpApi.RESULT_INTENT, pi);
                     }
 
-
-                    OpenPgpSignatureResult sigResult = new OpenPgpSignatureResult(signatureStatus,
-                            signatureUserId, signatureOnly, signatureKeyId);
-                    result.putExtra(OpenPgpApi.RESULT_SIGNATURE, sigResult);
+                    result.putExtra(OpenPgpApi.RESULT_SIGNATURE, signatureResult);
                 }
+
             } finally {
                 is.close();
                 os.close();
diff --git a/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/ui/DecryptActivity.java b/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/ui/DecryptActivity.java
index 9bb675db0..42288ca37 100644
--- a/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/ui/DecryptActivity.java
+++ b/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/ui/DecryptActivity.java
@@ -25,6 +25,7 @@ import java.io.FileNotFoundException;
 import java.io.InputStream;
 import java.util.regex.Matcher;
 
+import org.openintents.openpgp.OpenPgpSignatureResult;
 import org.spongycastle.openpgp.PGPPublicKeyRing;
 import org.sufficientlysecure.keychain.Constants;
 import org.sufficientlysecure.keychain.Id;
@@ -32,6 +33,7 @@ import org.sufficientlysecure.keychain.R;
 import org.sufficientlysecure.keychain.compatibility.ClipboardReflection;
 import org.sufficientlysecure.keychain.helper.ActionBarHelper;
 import org.sufficientlysecure.keychain.helper.FileHelper;
+import org.sufficientlysecure.keychain.pgp.PgpDecryptVerifyResult;
 import org.sufficientlysecure.keychain.pgp.PgpHelper;
 import org.sufficientlysecure.keychain.pgp.PgpKeyHelper;
 import org.sufficientlysecure.keychain.pgp.PgpDecryptVerify;
@@ -690,11 +692,15 @@ public class DecryptActivity extends DrawerActivity {
 
                     }
 
-                    if (returnData.getBoolean(KeychainIntentService.RESULT_SIGNATURE)) {
-                        String userId = returnData
-                                .getString(KeychainIntentService.RESULT_SIGNATURE_USER_ID);
-                        mSignatureKeyId = returnData
-                                .getLong(KeychainIntentService.RESULT_SIGNATURE_KEY_ID);
+                    PgpDecryptVerifyResult decryptVerifyResult =
+                            returnData.getParcelable(KeychainIntentService.RESULT_DECRYPT_VERIFY_RESULT);
+
+                    OpenPgpSignatureResult signatureResult = decryptVerifyResult.getSignatureResult();
+
+                    if (signatureResult != null) {
+
+                        String userId = signatureResult.getUserId();
+                        mSignatureKeyId = signatureResult.getKeyId();
                         mUserIdRest.setText("id: "
                                 + PgpKeyHelper.convertKeyIdToHex(mSignatureKeyId));
                         if (userId == null) {
@@ -707,19 +713,32 @@ public class DecryptActivity extends DrawerActivity {
                         }
                         mUserId.setText(userId);
 
-                        if (returnData.getBoolean(KeychainIntentService.RESULT_SIGNATURE_SUCCESS)) {
-                            mSignatureStatusImage.setImageResource(R.drawable.overlay_ok);
-                            mLookupKey.setVisibility(View.GONE);
-                        } else if (returnData
-                                .getBoolean(KeychainIntentService.RESULT_SIGNATURE_UNKNOWN)) {
-                            mSignatureStatusImage.setImageResource(R.drawable.overlay_error);
-                            mLookupKey.setVisibility(View.VISIBLE);
-                            AppMsg.makeText(DecryptActivity.this,
-                                    R.string.unknown_signature,
-                                    AppMsg.STYLE_ALERT).show();
-                        } else {
-                            mSignatureStatusImage.setImageResource(R.drawable.overlay_error);
-                            mLookupKey.setVisibility(View.GONE);
+                        switch (signatureResult.getStatus()) {
+                            case OpenPgpSignatureResult.SIGNATURE_SUCCESS_UNCERTIFIED: {
+                                mSignatureStatusImage.setImageResource(R.drawable.overlay_ok);
+                                mLookupKey.setVisibility(View.GONE);
+                                break;
+                            }
+
+                            // TODO!
+//                            case OpenPgpSignatureResult.SIGNATURE_SUCCESS_CERTIFIED: {
+//                                break;
+//                            }
+
+                            case OpenPgpSignatureResult.SIGNATURE_UNKNOWN_PUB_KEY: {
+                                mSignatureStatusImage.setImageResource(R.drawable.overlay_error);
+                                mLookupKey.setVisibility(View.VISIBLE);
+                                AppMsg.makeText(DecryptActivity.this,
+                                        R.string.unknown_signature,
+                                        AppMsg.STYLE_ALERT).show();
+                                break;
+                            }
+
+                            default: {
+                                mSignatureStatusImage.setImageResource(R.drawable.overlay_error);
+                                mLookupKey.setVisibility(View.GONE);
+                                break;
+                            }
                         }
                         mSignatureLayout.setVisibility(View.VISIBLE);
                     }
diff --git a/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/ui/PreferencesActivity.java b/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/ui/PreferencesActivity.java
index b38beebd1..a508e6b33 100644
--- a/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/ui/PreferencesActivity.java
+++ b/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/ui/PreferencesActivity.java
@@ -24,24 +24,28 @@ import org.sufficientlysecure.keychain.R;
 import org.sufficientlysecure.keychain.helper.Preferences;
 import org.sufficientlysecure.keychain.ui.widget.IntegerListPreference;
 
+import android.annotation.SuppressLint;
+import android.content.Context;
 import android.content.Intent;
+import android.os.Build;
 import android.os.Bundle;
 import android.preference.CheckBoxPreference;
 import android.preference.Preference;
 import android.preference.PreferenceActivity;
+import android.preference.PreferenceFragment;
 import android.preference.PreferenceScreen;
 import android.support.v7.app.ActionBarActivity;
 
+import java.util.List;
+
+@SuppressLint("NewApi")
 public class PreferencesActivity extends PreferenceActivity {
-    private IntegerListPreference mPassPhraseCacheTtl = null;
-    private IntegerListPreference mEncryptionAlgorithm = null;
-    private IntegerListPreference mHashAlgorithm = null;
-    private IntegerListPreference mMessageCompression = null;
-    private IntegerListPreference mFileCompression = null;
-    private CheckBoxPreference mAsciiArmour = null;
-    private CheckBoxPreference mForceV3Signatures = null;
+
+    public final static String ACTION_PREFS_GEN = "org.sufficientlysecure.keychain.ui.PREFS_GEN";
+    public final static String ACTION_PREFS_ADV = "org.sufficientlysecure.keychain.ui.PREFS_ADV";
+
     private PreferenceScreen mKeyServerPreference = null;
-    private Preferences mPreferences;
+    private static Preferences mPreferences;
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
@@ -53,9 +57,205 @@ public class PreferencesActivity extends PreferenceActivity {
 //        actionBar.setDisplayHomeAsUpEnabled(false);
 //        actionBar.setHomeButtonEnabled(false);
 
-        addPreferencesFromResource(R.xml.preferences);
+        //addPreferencesFromResource(R.xml.preferences);
+        String action = getIntent().getAction();
+
+        if (action != null && action.equals(ACTION_PREFS_GEN)) {
+            addPreferencesFromResource(R.xml.gen_preferences);
+
+            initializePassPassPhraceCacheTtl(
+                    (IntegerListPreference) findPreference(Constants.pref.PASS_PHRASE_CACHE_TTL));
+
+            mKeyServerPreference = (PreferenceScreen) findPreference(Constants.pref.KEY_SERVERS);
+            String servers[] = mPreferences.getKeyServers();
+            mKeyServerPreference.setSummary(getResources().getQuantityString(R.plurals.n_key_servers,
+                    servers.length, servers.length));
+            mKeyServerPreference
+                    .setOnPreferenceClickListener(new Preference.OnPreferenceClickListener() {
+                        public boolean onPreferenceClick(Preference preference) {
+                            Intent intent = new Intent(PreferencesActivity.this,
+                                    PreferencesKeyServerActivity.class);
+                            intent.putExtra(PreferencesKeyServerActivity.EXTRA_KEY_SERVERS,
+                                    mPreferences.getKeyServers());
+                            startActivityForResult(intent, Id.request.key_server_preference);
+                            return false;
+                        }
+                    });
+
+        } else if (action != null && action.equals(ACTION_PREFS_ADV)) {
+            addPreferencesFromResource(R.xml.adv_preferences);
+
+            initializeEncryptionAlgorithm(
+                    (IntegerListPreference) findPreference(Constants.pref.DEFAULT_ENCRYPTION_ALGORITHM));
+
+            int[] valueIds = new int[] { Id.choice.compression.none, Id.choice.compression.zip,
+                    Id.choice.compression.zlib, Id.choice.compression.bzip2, };
+            String[] entries = new String[] {
+                    getString(R.string.choice_none) + " (" + getString(R.string.compression_fast) + ")",
+                    "ZIP (" + getString(R.string.compression_fast) + ")",
+                    "ZLIB (" + getString(R.string.compression_fast) + ")",
+                    "BZIP2 (" + getString(R.string.compression_very_slow) + ")", };
+            String[] values = new String[valueIds.length];
+            for (int i = 0; i < values.length; ++i) {
+                values[i] = "" + valueIds[i];
+            }
+
+            initializeHashAlgorithm(
+                    (IntegerListPreference) findPreference(Constants.pref.DEFAULT_HASH_ALGORITHM),
+                                            valueIds, entries, values);
+
+            initializeMessageCompression(
+                    (IntegerListPreference) findPreference(Constants.pref.DEFAULT_MESSAGE_COMPRESSION),
+                                            valueIds, entries, values);
+
+            initializeFileCompression(
+                    (IntegerListPreference) findPreference(Constants.pref.DEFAULT_FILE_COMPRESSION),
+                                            entries, values);
+
+            initializeAsciiArmour((CheckBoxPreference) findPreference(Constants.pref.DEFAULT_ASCII_ARMOUR));
+
+            initializeForceV3Signatures((CheckBoxPreference) findPreference(Constants.pref.FORCE_V3_SIGNATURES));
+
+        } else if (Build.VERSION.SDK_INT < Build.VERSION_CODES.HONEYCOMB) {
+            // Load the legacy preferences headers
+            addPreferencesFromResource(R.xml.preference_headers_legacy);
+        }
+    }
+
+    @Override
+    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
+        switch (requestCode) {
+            case Id.request.key_server_preference: {
+                if (resultCode == RESULT_CANCELED || data == null) {
+                    return;
+                }
+                String servers[] = data
+                        .getStringArrayExtra(PreferencesKeyServerActivity.EXTRA_KEY_SERVERS);
+                mPreferences.setKeyServers(servers);
+                mKeyServerPreference.setSummary(getResources().getQuantityString(
+                        R.plurals.n_key_servers, servers.length, servers.length));
+                break;
+            }
+
+            default: {
+                super.onActivityResult(requestCode, resultCode, data);
+                break;
+            }
+        }
+    }
+
+    /* Called only on Honeycomb and later */
+    @Override
+    public void onBuildHeaders(List<Header> target) {
+        super.onBuildHeaders(target);
+        loadHeadersFromResource(R.xml.preference_headers, target);
+    }
+
+    /** This fragment shows the general preferences in android 3.0+ */
+    public static class GeneralPrefsFragment extends PreferenceFragment {
+
+        private PreferenceScreen mKeyServerPreference = null;
+
+        @Override
+        public void onCreate(Bundle savedInstanceState) {
+            super.onCreate(savedInstanceState);
+
+            // Load the preferences from an XML resource
+            addPreferencesFromResource(R.xml.gen_preferences);
+
+            initializePassPassPhraceCacheTtl(
+                    (IntegerListPreference) findPreference(Constants.pref.PASS_PHRASE_CACHE_TTL));
+
+            mKeyServerPreference = (PreferenceScreen) findPreference(Constants.pref.KEY_SERVERS);
+            String servers[] = mPreferences.getKeyServers();
+            mKeyServerPreference.setSummary(getResources().getQuantityString(R.plurals.n_key_servers,
+                    servers.length, servers.length));
+            mKeyServerPreference
+                    .setOnPreferenceClickListener(new Preference.OnPreferenceClickListener() {
+                        public boolean onPreferenceClick(Preference preference) {
+                            Intent intent = new Intent(getActivity(),
+                                    PreferencesKeyServerActivity.class);
+                            intent.putExtra(PreferencesKeyServerActivity.EXTRA_KEY_SERVERS,
+                                    mPreferences.getKeyServers());
+                            startActivityForResult(intent, Id.request.key_server_preference);
+                            return false;
+                        }
+                    });
+        }
+
+        @Override
+        public void onActivityResult(int requestCode, int resultCode, Intent data) {
+            switch (requestCode) {
+                case Id.request.key_server_preference: {
+                    if (resultCode == RESULT_CANCELED || data == null) {
+                        return;
+                    }
+                    String servers[] = data
+                            .getStringArrayExtra(PreferencesKeyServerActivity.EXTRA_KEY_SERVERS);
+                    mPreferences.setKeyServers(servers);
+                    mKeyServerPreference.setSummary(getResources().getQuantityString(
+                            R.plurals.n_key_servers, servers.length, servers.length));
+                    break;
+                }
+
+                default: {
+                    super.onActivityResult(requestCode, resultCode, data);
+                    break;
+                }
+            }
+        }
+    }
+
+    /** This fragment shows the advanced preferences in android 3.0+ */
+    public static class AdvancedPrefsFragment extends PreferenceFragment {
+
+        @Override
+        public void onCreate(Bundle savedInstanceState) {
+            super.onCreate(savedInstanceState);
+
+            // Load the preferences from an XML resource
+            addPreferencesFromResource(R.xml.adv_preferences);
+
+            initializeEncryptionAlgorithm(
+                    (IntegerListPreference) findPreference(Constants.pref.DEFAULT_ENCRYPTION_ALGORITHM));
+
+            int[] valueIds = new int[] { Id.choice.compression.none, Id.choice.compression.zip,
+                    Id.choice.compression.zlib, Id.choice.compression.bzip2, };
+            String[] entries = new String[] {
+                    getString(R.string.choice_none) + " (" + getString(R.string.compression_fast) + ")",
+                    "ZIP (" + getString(R.string.compression_fast) + ")",
+                    "ZLIB (" + getString(R.string.compression_fast) + ")",
+                    "BZIP2 (" + getString(R.string.compression_very_slow) + ")", };
+            String[] values = new String[valueIds.length];
+            for (int i = 0; i < values.length; ++i) {
+                values[i] = "" + valueIds[i];
+            }
+
+            initializeHashAlgorithm(
+                    (IntegerListPreference) findPreference(Constants.pref.DEFAULT_HASH_ALGORITHM),
+                                                                    valueIds, entries, values);
+
+            initializeMessageCompression(
+                    (IntegerListPreference) findPreference(Constants.pref.DEFAULT_MESSAGE_COMPRESSION),
+                                                                valueIds, entries, values);
+
+            initializeFileCompression(
+                    (IntegerListPreference) findPreference(Constants.pref.DEFAULT_FILE_COMPRESSION),
+                    entries, values);
 
-        mPassPhraseCacheTtl = (IntegerListPreference) findPreference(Constants.pref.PASS_PHRASE_CACHE_TTL);
+            initializeAsciiArmour((CheckBoxPreference) findPreference(Constants.pref.DEFAULT_ASCII_ARMOUR));
+
+            initializeForceV3Signatures((CheckBoxPreference) findPreference(Constants.pref.FORCE_V3_SIGNATURES));
+        }
+    }
+
+    protected boolean isValidFragment (String fragmentName) {
+        return AdvancedPrefsFragment.class.getName().equals(fragmentName)
+                || GeneralPrefsFragment.class.getName().equals(fragmentName)
+                || super.isValidFragment(fragmentName);
+    }
+
+    private static void initializePassPassPhraceCacheTtl(final IntegerListPreference mPassPhraseCacheTtl) {
         mPassPhraseCacheTtl.setValue("" + mPreferences.getPassPhraseCacheTtl());
         mPassPhraseCacheTtl.setSummary(mPassPhraseCacheTtl.getEntry());
         mPassPhraseCacheTtl
@@ -67,8 +267,9 @@ public class PreferencesActivity extends PreferenceActivity {
                         return false;
                     }
                 });
+    }
 
-        mEncryptionAlgorithm = (IntegerListPreference) findPreference(Constants.pref.DEFAULT_ENCRYPTION_ALGORITHM);
+    private static void initializeEncryptionAlgorithm(final IntegerListPreference mEncryptionAlgorithm) {
         int valueIds[] = { PGPEncryptedData.AES_128, PGPEncryptedData.AES_192,
                 PGPEncryptedData.AES_256, PGPEncryptedData.BLOWFISH, PGPEncryptedData.TWOFISH,
                 PGPEncryptedData.CAST5, PGPEncryptedData.DES, PGPEncryptedData.TRIPLE_DES,
@@ -93,8 +294,10 @@ public class PreferencesActivity extends PreferenceActivity {
                         return false;
                     }
                 });
+    }
 
-        mHashAlgorithm = (IntegerListPreference) findPreference(Constants.pref.DEFAULT_HASH_ALGORITHM);
+    private static void initializeHashAlgorithm
+            (final IntegerListPreference mHashAlgorithm, int[] valueIds, String[] entries, String[] values) {
         valueIds = new int[] { HashAlgorithmTags.MD5, HashAlgorithmTags.RIPEMD160,
                 HashAlgorithmTags.SHA1, HashAlgorithmTags.SHA224, HashAlgorithmTags.SHA256,
                 HashAlgorithmTags.SHA384, HashAlgorithmTags.SHA512, };
@@ -116,19 +319,10 @@ public class PreferencesActivity extends PreferenceActivity {
                 return false;
             }
         });
+    }
 
-        mMessageCompression = (IntegerListPreference) findPreference(Constants.pref.DEFAULT_MESSAGE_COMPRESSION);
-        valueIds = new int[] { Id.choice.compression.none, Id.choice.compression.zip,
-                Id.choice.compression.zlib, Id.choice.compression.bzip2, };
-        entries = new String[] {
-                getString(R.string.choice_none) + " (" + getString(R.string.compression_fast) + ")",
-                "ZIP (" + getString(R.string.compression_fast) + ")",
-                "ZLIB (" + getString(R.string.compression_fast) + ")",
-                "BZIP2 (" + getString(R.string.compression_very_slow) + ")", };
-        values = new String[valueIds.length];
-        for (int i = 0; i < values.length; ++i) {
-            values[i] = "" + valueIds[i];
-        }
+    private static void initializeMessageCompression
+            (final IntegerListPreference mMessageCompression, int[] valueIds, String[] entries, String[] values) {
         mMessageCompression.setEntries(entries);
         mMessageCompression.setEntryValues(values);
         mMessageCompression.setValue("" + mPreferences.getDefaultMessageCompression());
@@ -143,8 +337,10 @@ public class PreferencesActivity extends PreferenceActivity {
                         return false;
                     }
                 });
+    }
 
-        mFileCompression = (IntegerListPreference) findPreference(Constants.pref.DEFAULT_FILE_COMPRESSION);
+    private static void initializeFileCompression
+            (final IntegerListPreference mFileCompression, String[] entries, String[] values) {
         mFileCompression.setEntries(entries);
         mFileCompression.setEntryValues(values);
         mFileCompression.setValue("" + mPreferences.getDefaultFileCompression());
@@ -157,8 +353,9 @@ public class PreferencesActivity extends PreferenceActivity {
                 return false;
             }
         });
+    }
 
-        mAsciiArmour = (CheckBoxPreference) findPreference(Constants.pref.DEFAULT_ASCII_ARMOUR);
+    private static void initializeAsciiArmour(final CheckBoxPreference mAsciiArmour) {
         mAsciiArmour.setChecked(mPreferences.getDefaultAsciiArmour());
         mAsciiArmour.setOnPreferenceChangeListener(new Preference.OnPreferenceChangeListener() {
             public boolean onPreferenceChange(Preference preference, Object newValue) {
@@ -167,8 +364,9 @@ public class PreferencesActivity extends PreferenceActivity {
                 return false;
             }
         });
+    }
 
-        mForceV3Signatures = (CheckBoxPreference) findPreference(Constants.pref.FORCE_V3_SIGNATURES);
+    private static void initializeForceV3Signatures(final CheckBoxPreference mForceV3Signatures) {
         mForceV3Signatures.setChecked(mPreferences.getForceV3Signatures());
         mForceV3Signatures
                 .setOnPreferenceChangeListener(new Preference.OnPreferenceChangeListener() {
@@ -178,43 +376,5 @@ public class PreferencesActivity extends PreferenceActivity {
                         return false;
                     }
                 });
-
-        mKeyServerPreference = (PreferenceScreen) findPreference(Constants.pref.KEY_SERVERS);
-        String servers[] = mPreferences.getKeyServers();
-        mKeyServerPreference.setSummary(getResources().getQuantityString(R.plurals.n_key_servers,
-                servers.length, servers.length));
-        mKeyServerPreference
-                .setOnPreferenceClickListener(new Preference.OnPreferenceClickListener() {
-                    public boolean onPreferenceClick(Preference preference) {
-                        Intent intent = new Intent(PreferencesActivity.this,
-                                PreferencesKeyServerActivity.class);
-                        intent.putExtra(PreferencesKeyServerActivity.EXTRA_KEY_SERVERS,
-                                mPreferences.getKeyServers());
-                        startActivityForResult(intent, Id.request.key_server_preference);
-                        return false;
-                    }
-                });
-    }
-
-    @Override
-    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
-        switch (requestCode) {
-        case Id.request.key_server_preference: {
-            if (resultCode == RESULT_CANCELED || data == null) {
-                return;
-            }
-            String servers[] = data
-                    .getStringArrayExtra(PreferencesKeyServerActivity.EXTRA_KEY_SERVERS);
-            mPreferences.setKeyServers(servers);
-            mKeyServerPreference.setSummary(getResources().getQuantityString(
-                    R.plurals.n_key_servers, servers.length, servers.length));
-            break;
-        }
-
-        default: {
-            super.onActivityResult(requestCode, resultCode, data);
-            break;
-        }
-        }
     }
-}
+}
\ No newline at end of file
diff --git a/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/ui/widget/KeyEditor.java b/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/ui/widget/KeyEditor.java
index 4598b54b1..75a885bdd 100644
--- a/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/ui/widget/KeyEditor.java
+++ b/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/ui/widget/KeyEditor.java
@@ -34,6 +34,7 @@ import android.app.DatePickerDialog;
 import android.app.Dialog;
 import android.content.Context;
 import android.content.DialogInterface;
+import android.text.format.DateUtils;
 import android.util.AttributeSet;
 import android.view.View;
 import android.view.View.OnClickListener;
@@ -58,6 +59,7 @@ public class KeyEditor extends LinearLayout implements Editor, OnClickListener {
     Spinner mUsage;
     TextView mCreationDate;
     BootstrapButton mExpiryDateButton;
+    GregorianCalendar mCreatedDate;
     GregorianCalendar mExpiryDate;
 
     private int mDatePickerResultCount = 0;
@@ -133,10 +135,21 @@ public class KeyEditor extends LinearLayout implements Editor, OnClickListener {
                                 }
                             }
                         });
+
                 // setCalendarViewShown() is supported from API 11 onwards.
-                if (android.os.Build.VERSION.SDK_INT >= 11)
+                if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.HONEYCOMB)
                     // Hide calendarView in tablets because of the unix warparound bug.
                     dialog.getDatePicker().setCalendarViewShown(false);
+
+                if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.HONEYCOMB) {
+                    if ( dialog != null && mCreatedDate != null ) {
+                        dialog.getDatePicker().setMinDate(mCreatedDate.getTime().getTime()+ DateUtils.DAY_IN_MILLIS);
+                    } else {
+                        //When created date isn't available
+                        dialog.getDatePicker().setMinDate(date.getTime().getTime()+ DateUtils.DAY_IN_MILLIS);
+                    }
+                }
+
                 dialog.show();
             }
         });
@@ -213,7 +226,7 @@ public class KeyEditor extends LinearLayout implements Editor, OnClickListener {
 
         GregorianCalendar cal = new GregorianCalendar(TimeZone.getTimeZone("UTC"));
         cal.setTime(PgpKeyHelper.getCreationDate(key));
-        mCreationDate.setText(DateFormat.getDateInstance().format(cal.getTime()));
+        setCreatedDate(cal);
         cal = new GregorianCalendar(TimeZone.getTimeZone("UTC"));
         Date expiryDate = PgpKeyHelper.getExpiryDate(key);
         if (expiryDate == null) {
@@ -243,6 +256,15 @@ public class KeyEditor extends LinearLayout implements Editor, OnClickListener {
         mEditorListener = listener;
     }
 
+    private void setCreatedDate(GregorianCalendar date) {
+        mCreatedDate = date;
+        if (date == null) {
+            mCreationDate.setText(getContext().getString(R.string.none));
+        } else {
+            mCreationDate.setText(DateFormat.getDateInstance().format(date.getTime()));
+        }
+    }
+
     private void setExpiryDate(GregorianCalendar date) {
         mExpiryDate = date;
         if (date == null) {
diff --git a/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/util/HkpKeyServer.java b/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/util/HkpKeyServer.java
index b94c42e90..921d22f21 100644
--- a/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/util/HkpKeyServer.java
+++ b/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/util/HkpKeyServer.java
@@ -1,6 +1,8 @@
 /*
+ * Copyright (C) 2012-2014 Dominik Schürmann <dominik@dominikschuermann.de>
+ * Copyright (C) 2011 Thialfihar <thi@thialfihar.org>
  * Copyright (C) 2011 Senecaso
- * 
+ *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
diff --git a/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/util/KeyServer.java b/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/util/KeyServer.java
index 072affb1f..b1e6b3c71 100644
--- a/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/util/KeyServer.java
+++ b/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/util/KeyServer.java
@@ -1,6 +1,8 @@
 /*
+ * Copyright (C) 2012-2014 Dominik Schürmann <dominik@dominikschuermann.de>
+ * Copyright (C) 2011 Thialfihar <thi@thialfihar.org>
  * Copyright (C) 2011 Senecaso
- * 
+ *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
@@ -16,14 +18,8 @@
 
 package org.sufficientlysecure.keychain.util;
 
-import java.io.Serializable;
-import java.util.ArrayList;
-import java.util.Date;
 import java.util.List;
 
-import android.os.Parcel;
-import android.os.Parcelable;
-
 import org.sufficientlysecure.keychain.ui.adapter.ImportKeysListEntry;
 
 public abstract class KeyServer {
diff --git a/OpenPGP-Keychain/src/main/res/raw-de/help_about.html b/OpenPGP-Keychain/src/main/res/raw-de/help_about.html
index 50220bd0b..37d4193f7 100644
--- a/OpenPGP-Keychain/src/main/res/raw-de/help_about.html
+++ b/OpenPGP-Keychain/src/main/res/raw-de/help_about.html
@@ -2,7 +2,7 @@
 <head></head>
 <body>
 <p><a href="http://www.openkeychain.org">http://www.openkeychain.org</a></p>
-<p><a href="http://www.openkeychain.org">OpenKeychain</a> is an OpenPGP implementation for Android.</p>
+<p><a href="http://www.openkeychain.org">OpenKeychain</a> ist eine OpenPGP implementation für Android.</p>
 <p>Lizenz: GPLv3+</p>
 
 <h2>Entwickler OpenKeychain</h2>
diff --git a/OpenPGP-Keychain/src/main/res/raw-de/help_changelog.html b/OpenPGP-Keychain/src/main/res/raw-de/help_changelog.html
index ea31d1f3d..1197869b5 100644
--- a/OpenPGP-Keychain/src/main/res/raw-de/help_changelog.html
+++ b/OpenPGP-Keychain/src/main/res/raw-de/help_changelog.html
@@ -86,7 +86,7 @@
 </ul>
 <h2>1.0.2</h2>
 <ul>
-<li>filterable key lists</li>
+<li>Filterbare Schlüsselliste</li>
 <li>smarter pre-selection of encryption keys</li>
 <li>new Intent handling for VIEW and SEND, allows files to be encrypted/decrypted out of file managers</li>
 <li>fixes and additional features (key preselection) for K-9 Mail, new beta build available</li>
diff --git a/OpenPGP-Keychain/src/main/res/values-de/strings.xml b/OpenPGP-Keychain/src/main/res/values-de/strings.xml
index 09b4fdb23..493a3a9bb 100644
--- a/OpenPGP-Keychain/src/main/res/values-de/strings.xml
+++ b/OpenPGP-Keychain/src/main/res/values-de/strings.xml
@@ -15,7 +15,7 @@
   <string name="title_key_server_preference">Schlüsselserver</string>
   <string name="title_change_pass_phrase">Passwort ändern</string>
   <string name="title_set_passphrase">Passwort setzen</string>
-  <string name="title_send_email">E-Mail senden...</string>
+  <string name="title_send_email">E-Mail senden…</string>
   <string name="title_encrypt_to_file">In eine Datei verschlüsseln</string>
   <string name="title_decrypt_to_file">In eine Datei entschlüsseln</string>
   <string name="title_import_keys">Schlüssel importieren</string>
@@ -163,7 +163,7 @@
   <string name="dsa">DSA</string>
   <string name="elgamal">ElGamal</string>
   <string name="rsa">RSA</string>
-  <string name="filemanager_title_open">Öffnen...</string>
+  <string name="filemanager_title_open">Öffnen…</string>
   <string name="warning">Warnung</string>
   <string name="error">Fehler</string>
   <string name="error_message">Fehler: %s</string>
@@ -266,46 +266,47 @@
   <string name="error_expiry_must_come_after_creation">Ablaufdatum muss später sein als das Erstellungsdatum</string>
   <string name="error_can_not_delete_contact">Sie können diesen Kontakt nicht löschen, denn es ist ihr eigener.</string>
   <string name="error_can_not_delete_contacts">Sie können folgende Kontakte nicht löschen, denn sie gehören Ihnen selbst:\n%s</string>
+  <string name="error_keyserver_query">Keyserveranfrage fehlgeschlagen</string>
   <plurals name="error_can_not_delete_info">
     <item quantity="one">Bitte lösche ihn unter \'Meine Schlüssel\'!</item>
     <item quantity="other">Bitte lösche sie unter \'Meine Schlüssel\'!</item>
   </plurals>
   <!--progress dialogs, usually ending in '…'-->
   <string name="progress_done">fertig.</string>
-  <string name="progress_saving">speichern...</string>
-  <string name="progress_importing">importieren...</string>
-  <string name="progress_exporting">exportieren...</string>
-  <string name="progress_generating">erstelle Schlüssel, dies kann bis zu 3 Minuten dauern...</string>
-  <string name="progress_building_key">erstelle Schlüssel...</string>
-  <string name="progress_preparing_master_key">Hauptschlüssel wird vorbereitet...</string>
-  <string name="progress_certifying_master_key">Hauptschlüssel wird beglaubigt...</string>
-  <string name="progress_building_master_key">erstelle Hauptring...</string>
-  <string name="progress_adding_sub_keys">füge Unterschlüssel hinzu...</string>
-  <string name="progress_saving_key_ring">Schlüssel wird gespeichert...</string>
+  <string name="progress_saving">speichern…</string>
+  <string name="progress_importing">importieren…</string>
+  <string name="progress_exporting">exportieren…</string>
+  <string name="progress_generating">erstelle Schlüssel, dies kann bis zu 3 Minuten dauern…</string>
+  <string name="progress_building_key">erstelle Schlüssel…</string>
+  <string name="progress_preparing_master_key">Hauptschlüssel wird vorbereitet…</string>
+  <string name="progress_certifying_master_key">Hauptschlüssel wird beglaubigt…</string>
+  <string name="progress_building_master_key">erstelle Hauptring…</string>
+  <string name="progress_adding_sub_keys">füge Unterschlüssel hinzu…</string>
+  <string name="progress_saving_key_ring">Schlüssel wird gespeichert…</string>
   <plurals name="progress_exporting_key">
     <item quantity="one">Schlüssel wird exportiert…</item>
     <item quantity="other">Schlüssel werden exportiert…</item>
   </plurals>
-  <string name="progress_extracting_signature_key">extrahiere Signaturschlüssel...</string>
-  <string name="progress_extracting_key">extrahiere Schlüssel...</string>
-  <string name="progress_preparing_streams">Datenstrom wird vorbereitet...</string>
-  <string name="progress_encrypting">Daten werden verschlüsselt...</string>
-  <string name="progress_decrypting">Daten werden entschlüsselt...</string>
-  <string name="progress_preparing_signature">Signatur wird vorbereitet...</string>
-  <string name="progress_generating_signature">Signatur wird erstellt...</string>
-  <string name="progress_processing_signature">Signatur wird verarbeitet...</string>
-  <string name="progress_verifying_signature">Signatur wird verifiziert...</string>
-  <string name="progress_signing">signiere...</string>
-  <string name="progress_reading_data">Daten werden gelesen...</string>
-  <string name="progress_finding_key">Schlüssel wird gesucht...</string>
-  <string name="progress_decompressing_data">Daten werden entpackt...</string>
-  <string name="progress_verifying_integrity">Integrität wird überprüft...</string>
-  <string name="progress_deleting_securely">\'%s\' wird sicher gelöscht...</string>
-  <string name="progress_querying">Anfrage wird gestellt...</string>
+  <string name="progress_extracting_signature_key">extrahiere Signaturschlüssel…</string>
+  <string name="progress_extracting_key">extrahiere Schlüssel…</string>
+  <string name="progress_preparing_streams">Datenstrom wird vorbereitet…</string>
+  <string name="progress_encrypting">Daten werden verschlüsselt…</string>
+  <string name="progress_decrypting">Daten werden entschlüsselt…</string>
+  <string name="progress_preparing_signature">Signatur wird vorbereitet…</string>
+  <string name="progress_generating_signature">Signatur wird erstellt…</string>
+  <string name="progress_processing_signature">Signatur wird verarbeitet…</string>
+  <string name="progress_verifying_signature">Signatur wird verifiziert…</string>
+  <string name="progress_signing">signiere…</string>
+  <string name="progress_reading_data">Daten werden gelesen…</string>
+  <string name="progress_finding_key">Schlüssel wird gesucht…</string>
+  <string name="progress_decompressing_data">Daten werden entpackt…</string>
+  <string name="progress_verifying_integrity">Integrität wird überprüft…</string>
+  <string name="progress_deleting_securely">\'%s\' wird sicher gelöscht…</string>
+  <string name="progress_querying">Anfrage wird gestellt…</string>
   <!--action strings-->
   <string name="hint_public_keys">Öffentliche Schlüssel suchen</string>
   <string name="hint_secret_keys">Private Schlüssel suchen</string>
-  <string name="action_share_key_with">Teile Schlüssel über...</string>
+  <string name="action_share_key_with">Teile Schlüssel über…</string>
   <!--key bit length selections-->
   <string name="key_size_512">512</string>
   <string name="key_size_1024">1024</string>
@@ -337,10 +338,6 @@
   <string name="import_nfc_help_button">Hilfe</string>
   <string name="import_clipboard_button">Füge den Schlüssel aus der Zwischenablage ein</string>
   <!--Intent labels-->
-  <string name="intent_decrypt_file">OpenKeychain: Datei entschlüsseln</string>
-  <string name="intent_import_key">OpenKeychain: Schlüssel importieren</string>
-  <string name="intent_send_encrypt">OpenKeychain: Verschlüsseln</string>
-  <string name="intent_send_decrypt">OpenKeychain: Entschlüsseln</string>
   <!--Remote API-->
   <string name="api_no_apps">Keine registrierten Anwendungen vorhanden!\n\nAnwendungen von Dritten können Zugriff auf OpenKeychain erbitten. Nachdem Zugriff gewährt wurde, werden diese hier aufgelistet.</string>
   <string name="api_settings_show_advanced">Erweiterte Einstellungen anzeigen</string>
diff --git a/OpenPGP-Keychain/src/main/res/values-es-rCO/strings.xml b/OpenPGP-Keychain/src/main/res/values-es-rCO/strings.xml
index 6efe9548d..e43cecc2c 100644
--- a/OpenPGP-Keychain/src/main/res/values-es-rCO/strings.xml
+++ b/OpenPGP-Keychain/src/main/res/values-es-rCO/strings.xml
@@ -12,7 +12,7 @@
   <string name="title_api_registered_apps">Aplicaciones registradas</string>
   <string name="title_change_pass_phrase">Cambiar contraseña</string>
   <string name="title_set_passphrase">Establecer contraseña</string>
-  <string name="title_send_email">Enviar correo electrónico...</string>
+  <string name="title_send_email">Enviar correo electrónico…</string>
   <string name="title_encrypt_to_file">Cifrar a archivo</string>
   <string name="title_decrypt_to_file">Descifrar a archivo</string>
   <string name="title_import_keys">Importar claves</string>
diff --git a/OpenPGP-Keychain/src/main/res/values-es/strings.xml b/OpenPGP-Keychain/src/main/res/values-es/strings.xml
index 48ea6cc69..edf190184 100644
--- a/OpenPGP-Keychain/src/main/res/values-es/strings.xml
+++ b/OpenPGP-Keychain/src/main/res/values-es/strings.xml
@@ -15,7 +15,7 @@
   <string name="title_key_server_preference">Prioridad del servidor de claves</string>
   <string name="title_change_pass_phrase">Cambiar la frase de contraseña</string>
   <string name="title_set_passphrase">Establecer frase de contraseña</string>
-  <string name="title_send_email">Enviar email...</string>
+  <string name="title_send_email">Enviar email…</string>
   <string name="title_encrypt_to_file">Cifrar hacia archivo</string>
   <string name="title_decrypt_to_file">Descifrar hacia archivo</string>
   <string name="title_import_keys">Importar claves</string>
@@ -61,7 +61,7 @@
   <string name="btn_next">Siguiente</string>
   <string name="btn_back">Volver</string>
   <string name="btn_clipboard">Portapapeles</string>
-  <string name="btn_share">Compartir con...</string>
+  <string name="btn_share">Compartir con…</string>
   <string name="btn_lookup_key">Buscar clave</string>
   <!--menu-->
   <string name="menu_preferences">Ajustes</string>
@@ -80,10 +80,10 @@
   <string name="menu_update_key">Actualizar desde servidor de claves</string>
   <string name="menu_export_key_to_server">Cargar al servidor de claves</string>
   <string name="menu_share">Compartir</string>
-  <string name="menu_share_title_fingerprint">Compartir la huella digital...</string>
-  <string name="menu_share_title">Compartir la clave completa...</string>
-  <string name="menu_share_default_fingerprint">con...</string>
-  <string name="menu_share_default">con...</string>
+  <string name="menu_share_title_fingerprint">Compartir la huella digital…</string>
+  <string name="menu_share_title">Compartir la clave completa…</string>
+  <string name="menu_share_default_fingerprint">con…</string>
+  <string name="menu_share_default">con…</string>
   <string name="menu_share_qr_code">con código QR</string>
   <string name="menu_share_qr_code_fingerprint">con código QR</string>
   <string name="menu_share_nfc">con NFC</string>
@@ -91,7 +91,7 @@
   <string name="menu_sign_key"> Clave de firma</string>
   <string name="menu_beam_preferences">Ajustes de Beam</string>
   <string name="menu_key_edit_cancel">Cancelar</string>
-  <string name="menu_encrypt_to">Cifrar hacia...</string>
+  <string name="menu_encrypt_to">Cifrar hacia…</string>
   <!--label-->
   <string name="label_sign">Firmar</string>
   <string name="label_message">Mensaje</string>
@@ -163,7 +163,7 @@
   <string name="dsa">DSA</string>
   <string name="elgamal">ElGamal</string>
   <string name="rsa">RSA</string>
-  <string name="filemanager_title_open">Abrir...</string>
+  <string name="filemanager_title_open">Abrir…</string>
   <string name="warning">Advertencia</string>
   <string name="error">Error</string>
   <string name="error_message">Error: %s</string>
@@ -266,46 +266,49 @@
   <string name="error_expiry_must_come_after_creation">la fecha de caducidad debe ser posterior a la fecha de creación</string>
   <string name="error_can_not_delete_contact">no puedes eliminar este contacto porque eres tú mismo.</string>
   <string name="error_can_not_delete_contacts">no puedes eliminar los siguientes contactos porque son tú mismo:\n%s</string>
+  <string name="error_keyserver_insufficient_query">Consulta al servidor insuficiente</string>
+  <string name="error_keyserver_query">La consulta al servidor de claves ha fallado</string>
+  <string name="error_keyserver_too_many_responses">Demasiadas respuestas</string>
   <plurals name="error_can_not_delete_info">
     <item quantity="one">Por favor, bórralo desde la pantalla \'Mis claves\'!</item>
     <item quantity="other">Por favor, bórralos desde la pantalla \'Mis claves\'!</item>
   </plurals>
   <!--progress dialogs, usually ending in '…'-->
   <string name="progress_done">hecho.</string>
-  <string name="progress_saving">guardando...</string>
-  <string name="progress_importing">importando...</string>
-  <string name="progress_exporting">exportando...</string>
-  <string name="progress_generating">generando la clave, esto puede tardar más de 3 minutos...</string>
-  <string name="progress_building_key">construyendo la clave...</string>
-  <string name="progress_preparing_master_key">preparando la clave maestra...</string>
-  <string name="progress_certifying_master_key">certificando la clave maestra...</string>
-  <string name="progress_building_master_key">construyendo el anillo maestro...</string>
-  <string name="progress_adding_sub_keys">añadiendo las subclaves...</string>
-  <string name="progress_saving_key_ring">guardando claves...</string>
+  <string name="progress_saving">guardando…</string>
+  <string name="progress_importing">importando…</string>
+  <string name="progress_exporting">exportando…</string>
+  <string name="progress_generating">generando la clave, esto puede tardar más de 3 minutos…</string>
+  <string name="progress_building_key">construyendo la clave…</string>
+  <string name="progress_preparing_master_key">preparando la clave maestra…</string>
+  <string name="progress_certifying_master_key">certificando la clave maestra…</string>
+  <string name="progress_building_master_key">construyendo el anillo maestro…</string>
+  <string name="progress_adding_sub_keys">añadiendo las subclaves…</string>
+  <string name="progress_saving_key_ring">guardando claves…</string>
   <plurals name="progress_exporting_key">
-    <item quantity="one">exportando clave...</item>
-    <item quantity="other">exportando claves...</item>
+    <item quantity="one">exportando clave…</item>
+    <item quantity="other">exportando claves…</item>
   </plurals>
-  <string name="progress_extracting_signature_key">extrayendo la clave de firma...</string>
-  <string name="progress_extracting_key">extrayendo la clave...</string>
-  <string name="progress_preparing_streams">preparando las transmisiones...</string>
-  <string name="progress_encrypting">cifrando los datos...</string>
-  <string name="progress_decrypting">descifrando los datos...</string>
-  <string name="progress_preparing_signature">preparando la firma...</string>
-  <string name="progress_generating_signature">generando la firma...</string>
-  <string name="progress_processing_signature">procesando la firma...</string>
-  <string name="progress_verifying_signature">verificando la firma...</string>
-  <string name="progress_signing">firmando...</string>
-  <string name="progress_reading_data">leyendo los datos...</string>
-  <string name="progress_finding_key">localizando la clave...</string>
-  <string name="progress_decompressing_data">descomprimiendo los datos...</string>
-  <string name="progress_verifying_integrity">verificando la integridad...</string>
+  <string name="progress_extracting_signature_key">extrayendo la clave de firma…</string>
+  <string name="progress_extracting_key">extrayendo la clave…</string>
+  <string name="progress_preparing_streams">preparando las transmisiones…</string>
+  <string name="progress_encrypting">cifrando los datos…</string>
+  <string name="progress_decrypting">descifrando los datos…</string>
+  <string name="progress_preparing_signature">preparando la firma…</string>
+  <string name="progress_generating_signature">generando la firma…</string>
+  <string name="progress_processing_signature">procesando la firma…</string>
+  <string name="progress_verifying_signature">verificando la firma…</string>
+  <string name="progress_signing">firmando…</string>
+  <string name="progress_reading_data">leyendo los datos…</string>
+  <string name="progress_finding_key">localizando la clave…</string>
+  <string name="progress_decompressing_data">descomprimiendo los datos…</string>
+  <string name="progress_verifying_integrity">verificando la integridad…</string>
   <string name="progress_deleting_securely">borrando \'%s\' de forma segura…</string>
-  <string name="progress_querying">consultando...</string>
+  <string name="progress_querying">consultando…</string>
   <!--action strings-->
   <string name="hint_public_keys">Buscar claves públicas</string>
   <string name="hint_secret_keys">Buscar claves secretas</string>
-  <string name="action_share_key_with">Compartir la clave con...</string>
+  <string name="action_share_key_with">Compartir la clave con…</string>
   <!--key bit length selections-->
   <string name="key_size_512">512</string>
   <string name="key_size_1024">1024</string>
@@ -337,10 +340,10 @@
   <string name="import_nfc_help_button">Ayuda</string>
   <string name="import_clipboard_button">Tomar la clave desde el portapapeles</string>
   <!--Intent labels-->
-  <string name="intent_decrypt_file">OpenKeychain: Descifrar archivo</string>
-  <string name="intent_import_key">OpenKeychain: Importar clave</string>
-  <string name="intent_send_encrypt">OpenKeychain: Cifrar</string>
-  <string name="intent_send_decrypt">OpenKeychain: Descifrar</string>
+  <string name="intent_decrypt_file">Descifrar archivo con OpenKeychain</string>
+  <string name="intent_import_key">Importar clave con OpenKeychain</string>
+  <string name="intent_send_encrypt">Cifrar con OpenKeychain</string>
+  <string name="intent_send_decrypt">Descifrar con OpenKeychain</string>
   <!--Remote API-->
   <string name="api_no_apps">¡No hay aplicaciones registradas!\n\nLas aplicaciones de terceros pueden pedir permiso de acceso a OpenKeychain. Después de obtener acceso, serán enumeradas aquí.</string>
   <string name="api_settings_show_advanced">Mostrar la configuración avanzada</string>
@@ -371,7 +374,7 @@
     <item quantity="one">1 clave seleccionada.</item>
     <item quantity="other">%d claves seleccionadas.</item>
   </plurals>
-  <string name="key_list_empty_text1">Aún no hay claves disponibles...</string>
+  <string name="key_list_empty_text1">Aún no hay claves disponibles…</string>
   <string name="key_list_empty_text2">Puedes empezar por</string>
   <string name="key_list_empty_text3">o</string>
   <string name="key_list_empty_button_create">crear tu propia clave</string>
diff --git a/OpenPGP-Keychain/src/main/res/values-fr/strings.xml b/OpenPGP-Keychain/src/main/res/values-fr/strings.xml
index bf66756cf..171ce1fa5 100644
--- a/OpenPGP-Keychain/src/main/res/values-fr/strings.xml
+++ b/OpenPGP-Keychain/src/main/res/values-fr/strings.xml
@@ -15,7 +15,7 @@
   <string name="title_key_server_preference">Préférences du serveur de clefs</string>
   <string name="title_change_pass_phrase">Changer la phrase de passe</string>
   <string name="title_set_passphrase">Définir la phrase de passe</string>
-  <string name="title_send_email">Envoyer un courriel...</string>
+  <string name="title_send_email">Envoyer un courriel…</string>
   <string name="title_encrypt_to_file">Chiffrer vers un fichier</string>
   <string name="title_decrypt_to_file">Déchiffrer vers un fichier</string>
   <string name="title_import_keys">importer des clefs</string>
@@ -61,7 +61,7 @@
   <string name="btn_next">Suivant</string>
   <string name="btn_back">Retour</string>
   <string name="btn_clipboard">Presse-papiers</string>
-  <string name="btn_share">Partager avec...</string>
+  <string name="btn_share">Partager avec…</string>
   <string name="btn_lookup_key">Rechercher la clef</string>
   <!--menu-->
   <string name="menu_preferences">Paramètres</string>
@@ -80,10 +80,10 @@
   <string name="menu_update_key">Mettre à jour depuis le serveur de clefs</string>
   <string name="menu_export_key_to_server">Téléverser vers le serveur de clefs</string>
   <string name="menu_share">Partager</string>
-  <string name="menu_share_title_fingerprint">Partager l\'empreinte...</string>
-  <string name="menu_share_title">Partager la clef entière...</string>
-  <string name="menu_share_default_fingerprint">avec...</string>
-  <string name="menu_share_default">avec...</string>
+  <string name="menu_share_title_fingerprint">Partager l\'empreinte…</string>
+  <string name="menu_share_title">Partager la clef entière…</string>
+  <string name="menu_share_default_fingerprint">avec…</string>
+  <string name="menu_share_default">avec…</string>
   <string name="menu_share_qr_code">par un code QR</string>
   <string name="menu_share_qr_code_fingerprint">par un code QR</string>
   <string name="menu_share_nfc">par la NFC</string>
@@ -91,7 +91,7 @@
   <string name="menu_sign_key">Signer la clef</string>
   <string name="menu_beam_preferences">Paramètres Beam</string>
   <string name="menu_key_edit_cancel">Annuler</string>
-  <string name="menu_encrypt_to">Chiffrer vers...</string>
+  <string name="menu_encrypt_to">Chiffrer vers…</string>
   <!--label-->
   <string name="label_sign">Signer</string>
   <string name="label_message">Message</string>
@@ -163,7 +163,7 @@
   <string name="dsa">DSA</string>
   <string name="elgamal">ElGamal</string>
   <string name="rsa">RSA</string>
-  <string name="filemanager_title_open">Ouvrir...</string>
+  <string name="filemanager_title_open">Ouvrir…</string>
   <string name="warning">Avertissement</string>
   <string name="error">Erreur</string>
   <string name="error_message">Erreur : %s</string>
@@ -275,40 +275,40 @@
   </plurals>
   <!--progress dialogs, usually ending in '…'-->
   <string name="progress_done">fait.</string>
-  <string name="progress_saving">sauvegarde...</string>
-  <string name="progress_importing">importation...</string>
-  <string name="progress_exporting">exportation...</string>
-  <string name="progress_generating">génération de la clef, ceci peut prendre jusqu\'à 3 minutes...</string>
-  <string name="progress_building_key">assemblage de la clef...</string>
-  <string name="progress_preparing_master_key">préparation de la clef maîtresse...</string>
-  <string name="progress_certifying_master_key">certification de la clef maîtresse...</string>
-  <string name="progress_building_master_key">assemblage du trousseau maître...</string>
-  <string name="progress_adding_sub_keys">ajout des sous-clefs...</string>
-  <string name="progress_saving_key_ring">sauvegarde de la clef...</string>
+  <string name="progress_saving">sauvegarde…</string>
+  <string name="progress_importing">importation…</string>
+  <string name="progress_exporting">exportation…</string>
+  <string name="progress_generating">génération de la clef, ceci peut prendre jusqu\'à 3 minutes…</string>
+  <string name="progress_building_key">assemblage de la clef…</string>
+  <string name="progress_preparing_master_key">préparation de la clef maîtresse…</string>
+  <string name="progress_certifying_master_key">certification de la clef maîtresse…</string>
+  <string name="progress_building_master_key">assemblage du trousseau maître…</string>
+  <string name="progress_adding_sub_keys">ajout des sous-clefs…</string>
+  <string name="progress_saving_key_ring">sauvegarde de la clef…</string>
   <plurals name="progress_exporting_key">
-    <item quantity="one">exportation de la clef...</item>
-    <item quantity="other">exportation des clefs...</item>
+    <item quantity="one">exportation de la clef…</item>
+    <item quantity="other">exportation des clefs…</item>
   </plurals>
-  <string name="progress_extracting_signature_key">extraction de la clef de signature...</string>
-  <string name="progress_extracting_key">extraction de la clef...</string>
-  <string name="progress_preparing_streams">préparation des flux...</string>
-  <string name="progress_encrypting">chiffrement des données...</string>
-  <string name="progress_decrypting">déchiffrement des données...</string>
-  <string name="progress_preparing_signature">préparation de la signature...</string>
-  <string name="progress_generating_signature">génération de la signature...</string>
-  <string name="progress_processing_signature">traitement de la signature...</string>
-  <string name="progress_verifying_signature">vérification de la signature...</string>
-  <string name="progress_signing">signature...</string>
-  <string name="progress_reading_data">lecture des données...</string>
-  <string name="progress_finding_key">recherche de la clef...</string>
-  <string name="progress_decompressing_data">décompression des données...</string>
-  <string name="progress_verifying_integrity">vérification de l\'intégrité...</string>
-  <string name="progress_deleting_securely">suppression sûre de « %s »...</string>
-  <string name="progress_querying">interrogation...</string>
+  <string name="progress_extracting_signature_key">extraction de la clef de signature…</string>
+  <string name="progress_extracting_key">extraction de la clef…</string>
+  <string name="progress_preparing_streams">préparation des flux…</string>
+  <string name="progress_encrypting">chiffrement des données…</string>
+  <string name="progress_decrypting">déchiffrement des données…</string>
+  <string name="progress_preparing_signature">préparation de la signature…</string>
+  <string name="progress_generating_signature">génération de la signature…</string>
+  <string name="progress_processing_signature">traitement de la signature…</string>
+  <string name="progress_verifying_signature">vérification de la signature…</string>
+  <string name="progress_signing">signature…</string>
+  <string name="progress_reading_data">lecture des données…</string>
+  <string name="progress_finding_key">recherche de la clef…</string>
+  <string name="progress_decompressing_data">décompression des données…</string>
+  <string name="progress_verifying_integrity">vérification de l\'intégrité…</string>
+  <string name="progress_deleting_securely">suppression sûre de « %s »…</string>
+  <string name="progress_querying">interrogation…</string>
   <!--action strings-->
   <string name="hint_public_keys">Rechercher des clefs publiques</string>
   <string name="hint_secret_keys">Rechercher des clefs secrètes</string>
-  <string name="action_share_key_with">Partager la clef avec...</string>
+  <string name="action_share_key_with">Partager la clef avec…</string>
   <!--key bit length selections-->
   <string name="key_size_512">512</string>
   <string name="key_size_1024">1024</string>
@@ -340,10 +340,10 @@
   <string name="import_nfc_help_button">Aide</string>
   <string name="import_clipboard_button">Obtenir la clef depuis le presse-papiers</string>
   <!--Intent labels-->
-  <string name="intent_decrypt_file">OpenKeychain : déchiffrer le ficher</string>
-  <string name="intent_import_key">OpenKeychain : importer la clef</string>
-  <string name="intent_send_encrypt">OpenKeychain : chiffrer</string>
-  <string name="intent_send_decrypt">OpenKeychain : déchiffrer</string>
+  <string name="intent_decrypt_file">Déchiffrer le fichier avec OpenKeychain</string>
+  <string name="intent_import_key">Importer la clef avec OpenKeychain</string>
+  <string name="intent_send_encrypt">Chiffrer avec OpenKeychain</string>
+  <string name="intent_send_decrypt">Déchiffrer avec OpenKeychain</string>
   <!--Remote API-->
   <string name="api_no_apps">Aucune application enregistrée !\n\nLes applications tierces peuvent demander l\'accès à OpenKeychain. Après avoir autorisé l\'accès, elles seront listées ici.</string>
   <string name="api_settings_show_advanced">Afficher les paramètres avancés</string>
@@ -374,7 +374,7 @@
     <item quantity="one">1 clef choisie</item>
     <item quantity="other">%d clefs choisies</item>
   </plurals>
-  <string name="key_list_empty_text1">Aucune clef encore disponible...</string>
+  <string name="key_list_empty_text1">Aucune clef encore disponible…</string>
   <string name="key_list_empty_text2">Vous pouvez commencer par</string>
   <string name="key_list_empty_text3">ou</string>
   <string name="key_list_empty_button_create">créer votre propre clef</string>
diff --git a/OpenPGP-Keychain/src/main/res/values-it-rIT/strings.xml b/OpenPGP-Keychain/src/main/res/values-it-rIT/strings.xml
index 86a094c41..5ceb4f45b 100644
--- a/OpenPGP-Keychain/src/main/res/values-it-rIT/strings.xml
+++ b/OpenPGP-Keychain/src/main/res/values-it-rIT/strings.xml
@@ -15,7 +15,7 @@
   <string name="title_key_server_preference">Preferenze Server delle Chiavi</string>
   <string name="title_change_pass_phrase">Cambia Frase di Accesso</string>
   <string name="title_set_passphrase">Imposta Frase di Accesso</string>
-  <string name="title_send_email">Invia Mail...</string>
+  <string name="title_send_email">Invia Mail…</string>
   <string name="title_encrypt_to_file">Codifica File</string>
   <string name="title_decrypt_to_file">Decodifica File</string>
   <string name="title_import_keys">Importa Chiavi</string>
@@ -61,7 +61,7 @@
   <string name="btn_next">Prossimo</string>
   <string name="btn_back">Precedente</string>
   <string name="btn_clipboard">Appunti</string>
-  <string name="btn_share">Condividi con...</string>
+  <string name="btn_share">Condividi con…</string>
   <string name="btn_lookup_key">Chiave di ricerca</string>
   <!--menu-->
   <string name="menu_preferences">Impostazioni</string>
@@ -80,10 +80,10 @@
   <string name="menu_update_key">Aggiorna dal server delle chiavi</string>
   <string name="menu_export_key_to_server">Carica chiave nel server</string>
   <string name="menu_share">Condividi</string>
-  <string name="menu_share_title_fingerprint">Condivi impronta...</string>
-  <string name="menu_share_title">Condividi intera chiave...</string>
+  <string name="menu_share_title_fingerprint">Condivi impronta…</string>
+  <string name="menu_share_title">Condividi intera chiave…</string>
   <string name="menu_share_default_fingerprint">con..</string>
-  <string name="menu_share_default">con...</string>
+  <string name="menu_share_default">con…</string>
   <string name="menu_share_qr_code">con Codice QR</string>
   <string name="menu_share_qr_code_fingerprint">con Codice QR</string>
   <string name="menu_share_nfc">con NFC</string>
@@ -91,7 +91,7 @@
   <string name="menu_sign_key">Firma chiave</string>
   <string name="menu_beam_preferences">Impostazioni Beam</string>
   <string name="menu_key_edit_cancel">Annulla</string>
-  <string name="menu_encrypt_to">Codifica su...</string>
+  <string name="menu_encrypt_to">Codifica su…</string>
   <!--label-->
   <string name="label_sign">Firma</string>
   <string name="label_message">Messaggio</string>
@@ -163,7 +163,7 @@
   <string name="dsa">DSA</string>
   <string name="elgamal">ElGamal</string>
   <string name="rsa">RSA</string>
-  <string name="filemanager_title_open">Apri...</string>
+  <string name="filemanager_title_open">Apri…</string>
   <string name="warning">Attenzione</string>
   <string name="error">Errore</string>
   <string name="error_message">Errore: %s</string>
@@ -275,40 +275,40 @@
   </plurals>
   <!--progress dialogs, usually ending in '…'-->
   <string name="progress_done">fatto.</string>
-  <string name="progress_saving">salvataggio...</string>
-  <string name="progress_importing">importazione...</string>
-  <string name="progress_exporting">esportazione...</string>
-  <string name="progress_generating">generazione chiave, richiede fino a 3 minuti...</string>
-  <string name="progress_building_key">fabbricazione chiave...</string>
-  <string name="progress_preparing_master_key">preparazione chiave principale...</string>
-  <string name="progress_certifying_master_key">certificazione chiave principale...</string>
-  <string name="progress_building_master_key">fabbricazione portachiavi principale...</string>
-  <string name="progress_adding_sub_keys">aggiunta sottochiavi...</string>
-  <string name="progress_saving_key_ring">salvataggio chiavi...</string>
+  <string name="progress_saving">salvataggio…</string>
+  <string name="progress_importing">importazione…</string>
+  <string name="progress_exporting">esportazione…</string>
+  <string name="progress_generating">generazione chiave, richiede fino a 3 minuti…</string>
+  <string name="progress_building_key">fabbricazione chiave…</string>
+  <string name="progress_preparing_master_key">preparazione chiave principale…</string>
+  <string name="progress_certifying_master_key">certificazione chiave principale…</string>
+  <string name="progress_building_master_key">fabbricazione portachiavi principale…</string>
+  <string name="progress_adding_sub_keys">aggiunta sottochiavi…</string>
+  <string name="progress_saving_key_ring">salvataggio chiavi…</string>
   <plurals name="progress_exporting_key">
-    <item quantity="one">esportazione chiave...</item>
-    <item quantity="other">esportazione chiavi...</item>
+    <item quantity="one">esportazione chiave…</item>
+    <item quantity="other">esportazione chiavi…</item>
   </plurals>
-  <string name="progress_extracting_signature_key">estrazione chiavi di firma...</string>
-  <string name="progress_extracting_key">estrazione chiave...</string>
-  <string name="progress_preparing_streams">preparazione flussi...</string>
-  <string name="progress_encrypting">codifica dati...</string>
-  <string name="progress_decrypting">decodifica dati...</string>
-  <string name="progress_preparing_signature">preparazione firma...</string>
-  <string name="progress_generating_signature">generazione firma...</string>
-  <string name="progress_processing_signature">elaborazione firma...</string>
-  <string name="progress_verifying_signature">verifica firma...</string>
-  <string name="progress_signing">firma...</string>
-  <string name="progress_reading_data">lettura dati...</string>
-  <string name="progress_finding_key">ricerca chiave...</string>
-  <string name="progress_decompressing_data">decompressione dati...</string>
-  <string name="progress_verifying_integrity">verifica integrita\'...</string>
-  <string name="progress_deleting_securely">eliminazione sicura di \'%s\'...</string>
-  <string name="progress_querying">interrogazione...</string>
+  <string name="progress_extracting_signature_key">estrazione chiavi di firma…</string>
+  <string name="progress_extracting_key">estrazione chiave…</string>
+  <string name="progress_preparing_streams">preparazione flussi…</string>
+  <string name="progress_encrypting">codifica dati…</string>
+  <string name="progress_decrypting">decodifica dati…</string>
+  <string name="progress_preparing_signature">preparazione firma…</string>
+  <string name="progress_generating_signature">generazione firma…</string>
+  <string name="progress_processing_signature">elaborazione firma…</string>
+  <string name="progress_verifying_signature">verifica firma…</string>
+  <string name="progress_signing">firma…</string>
+  <string name="progress_reading_data">lettura dati…</string>
+  <string name="progress_finding_key">ricerca chiave…</string>
+  <string name="progress_decompressing_data">decompressione dati…</string>
+  <string name="progress_verifying_integrity">verifica integrita\'…</string>
+  <string name="progress_deleting_securely">eliminazione sicura di \'%s\'…</string>
+  <string name="progress_querying">interrogazione…</string>
   <!--action strings-->
   <string name="hint_public_keys">Ricerca Chiavi Pubbliche</string>
   <string name="hint_secret_keys">Cerca Chiave Privata</string>
-  <string name="action_share_key_with">Condividi chiave con...</string>
+  <string name="action_share_key_with">Condividi chiave con…</string>
   <!--key bit length selections-->
   <string name="key_size_512">512</string>
   <string name="key_size_1024">1024</string>
@@ -340,10 +340,10 @@
   <string name="import_nfc_help_button">Aiuto</string>
   <string name="import_clipboard_button">Ottieni chiave dagli appunti</string>
   <!--Intent labels-->
-  <string name="intent_decrypt_file">OpenKeyChain: Decodifica File</string>
-  <string name="intent_import_key">OpenKeyChain: Importa Chiave</string>
-  <string name="intent_send_encrypt">OpenKeychain: Codifica</string>
-  <string name="intent_send_decrypt">OpenKeychain: Decodifica</string>
+  <string name="intent_decrypt_file">Decodifica File con OpenKeychain</string>
+  <string name="intent_import_key">Importa Chiave con OpenKeychain</string>
+  <string name="intent_send_encrypt">Codifica con OpenKeychain</string>
+  <string name="intent_send_decrypt">Decodifica con OpenKeychain</string>
   <!--Remote API-->
   <string name="api_no_apps">Nessuna app registrata!\n\nApp di terza parti possono richiedere accesso a OpenKeychain. Dopo aver concesso l\'accesso, saranno elencate qui.</string>
   <string name="api_settings_show_advanced">Mostra impostazioni avanzate</string>
@@ -374,7 +374,7 @@
     <item quantity="one">1 chiave selezionata.</item>
     <item quantity="other">%d chiavi selezionate.</item>
   </plurals>
-  <string name="key_list_empty_text1">Nessuna chiave disponibile...</string>
+  <string name="key_list_empty_text1">Nessuna chiave disponibile…</string>
   <string name="key_list_empty_text2">Puoi iniziare da</string>
   <string name="key_list_empty_text3">o</string>
   <string name="key_list_empty_button_create">creazione della tua chiave</string>
diff --git a/OpenPGP-Keychain/src/main/res/values-ja/strings.xml b/OpenPGP-Keychain/src/main/res/values-ja/strings.xml
index c99f8b31c..0ba511c1e 100644
--- a/OpenPGP-Keychain/src/main/res/values-ja/strings.xml
+++ b/OpenPGP-Keychain/src/main/res/values-ja/strings.xml
@@ -15,7 +15,7 @@
   <string name="title_key_server_preference">鍵サーバ設定</string>
   <string name="title_change_pass_phrase">パスフレーズの変更</string>
   <string name="title_set_passphrase">パスフレーズの設定</string>
-  <string name="title_send_email">メールの送信...</string>
+  <string name="title_send_email">メールの送信…</string>
   <string name="title_encrypt_to_file">暗号化してファイルに</string>
   <string name="title_decrypt_to_file">復号化してファイルに</string>
   <string name="title_import_keys">鍵のインポート</string>
@@ -61,7 +61,7 @@
   <string name="btn_next">次</string>
   <string name="btn_back">戻る</string>
   <string name="btn_clipboard">クリップボード</string>
-  <string name="btn_share">共有...</string>
+  <string name="btn_share">共有…</string>
   <string name="btn_lookup_key">鍵検出</string>
   <!--menu-->
   <string name="menu_preferences">設定</string>
@@ -80,10 +80,10 @@
   <string name="menu_update_key">鍵サーバからの更新</string>
   <string name="menu_export_key_to_server">鍵サーバへのアップロード</string>
   <string name="menu_share">共有</string>
-  <string name="menu_share_title_fingerprint">指紋の共有...</string>
-  <string name="menu_share_title">すべての鍵の共有...</string>
-  <string name="menu_share_default_fingerprint">...(指紋)</string>
-  <string name="menu_share_default">...(鍵)</string>
+  <string name="menu_share_title_fingerprint">指紋の共有…</string>
+  <string name="menu_share_title">すべての鍵の共有…</string>
+  <string name="menu_share_default_fingerprint">…(指紋)</string>
+  <string name="menu_share_default">…(鍵)</string>
   <string name="menu_share_qr_code">QRコードで共有(鍵)</string>
   <string name="menu_share_qr_code_fingerprint">QRコードで共有(指紋)</string>
   <string name="menu_share_nfc">NFCで共有</string>
@@ -91,7 +91,7 @@
   <string name="menu_sign_key">鍵を署名</string>
   <string name="menu_beam_preferences">Beamの設定</string>
   <string name="menu_key_edit_cancel">キャンセル</string>
-  <string name="menu_encrypt_to">暗号化...</string>
+  <string name="menu_encrypt_to">暗号化…</string>
   <!--label-->
   <string name="label_sign">署名</string>
   <string name="label_message">メッセージ</string>
@@ -161,7 +161,7 @@
   <string name="dsa">DSA</string>
   <string name="elgamal">ElGamal</string>
   <string name="rsa">RSA</string>
-  <string name="filemanager_title_open">開く...</string>
+  <string name="filemanager_title_open">開く…</string>
   <string name="warning">注意</string>
   <string name="error">エラー</string>
   <string name="error_message">エラー: %s</string>
@@ -266,39 +266,39 @@
   </plurals>
   <!--progress dialogs, usually ending in '…'-->
   <string name="progress_done">完了。</string>
-  <string name="progress_saving">保存...</string>
-  <string name="progress_importing">インポート...</string>
-  <string name="progress_exporting">エクスポート...</string>
-  <string name="progress_generating">鍵の生成、3分ほどかかります...</string>
-  <string name="progress_building_key">鍵の構築中...</string>
-  <string name="progress_preparing_master_key">主鍵の準備中...</string>
-  <string name="progress_certifying_master_key">主鍵の検証中...</string>
-  <string name="progress_building_master_key">主鍵輪の構築中...</string>
-  <string name="progress_adding_sub_keys">副鍵の追加中...</string>
-  <string name="progress_saving_key_ring">鍵の保存...</string>
+  <string name="progress_saving">保存…</string>
+  <string name="progress_importing">インポート…</string>
+  <string name="progress_exporting">エクスポート…</string>
+  <string name="progress_generating">鍵の生成、3分ほどかかります…</string>
+  <string name="progress_building_key">鍵の構築中…</string>
+  <string name="progress_preparing_master_key">主鍵の準備中…</string>
+  <string name="progress_certifying_master_key">主鍵の検証中…</string>
+  <string name="progress_building_master_key">主鍵輪の構築中…</string>
+  <string name="progress_adding_sub_keys">副鍵の追加中…</string>
+  <string name="progress_saving_key_ring">鍵の保存…</string>
   <plurals name="progress_exporting_key">
-    <item quantity="other">鍵のエクスポート...</item>
+    <item quantity="other">鍵のエクスポート…</item>
   </plurals>
-  <string name="progress_extracting_signature_key">署名鍵の取り出し中...</string>
-  <string name="progress_extracting_key">鍵の取り出し中...</string>
-  <string name="progress_preparing_streams">ストリームの準備中...</string>
-  <string name="progress_encrypting">データの暗号化中...</string>
-  <string name="progress_decrypting">データの復号化中...</string>
-  <string name="progress_preparing_signature">署名の準備中...</string>
-  <string name="progress_generating_signature">署名の生成中...</string>
-  <string name="progress_processing_signature">署名処理中...</string>
-  <string name="progress_verifying_signature">署名の検証中...</string>
-  <string name="progress_signing">署名中...</string>
-  <string name="progress_reading_data">データ読み込み中...</string>
-  <string name="progress_finding_key">鍵検索中...</string>
-  <string name="progress_decompressing_data">データの展開中...</string>
-  <string name="progress_verifying_integrity">完全性の検証中...</string>
+  <string name="progress_extracting_signature_key">署名鍵の取り出し中…</string>
+  <string name="progress_extracting_key">鍵の取り出し中…</string>
+  <string name="progress_preparing_streams">ストリームの準備中…</string>
+  <string name="progress_encrypting">データの暗号化中…</string>
+  <string name="progress_decrypting">データの復号化中…</string>
+  <string name="progress_preparing_signature">署名の準備中…</string>
+  <string name="progress_generating_signature">署名の生成中…</string>
+  <string name="progress_processing_signature">署名処理中…</string>
+  <string name="progress_verifying_signature">署名の検証中…</string>
+  <string name="progress_signing">署名中…</string>
+  <string name="progress_reading_data">データ読み込み中…</string>
+  <string name="progress_finding_key">鍵検索中…</string>
+  <string name="progress_decompressing_data">データの展開中…</string>
+  <string name="progress_verifying_integrity">完全性の検証中…</string>
   <string name="progress_deleting_securely">\'%s\' を完全に削除中…</string>
-  <string name="progress_querying">要求中...</string>
+  <string name="progress_querying">要求中…</string>
   <!--action strings-->
   <string name="hint_public_keys">公開鍵の検索</string>
   <string name="hint_secret_keys">秘密鍵の検索</string>
-  <string name="action_share_key_with">鍵の共有...</string>
+  <string name="action_share_key_with">鍵の共有…</string>
   <!--key bit length selections-->
   <string name="key_size_512">512</string>
   <string name="key_size_1024">1024</string>
@@ -329,10 +329,10 @@
   <string name="import_nfc_help_button">ヘルプ</string>
   <string name="import_clipboard_button">クリップボードから鍵を取得</string>
   <!--Intent labels-->
-  <string name="intent_decrypt_file">OpenKeychain: ファイル復号化</string>
-  <string name="intent_import_key">OpenKeychain: 鍵のインポート</string>
-  <string name="intent_send_encrypt">OpenKeychain: 暗号化</string>
-  <string name="intent_send_decrypt">OpenKeychain: 復号化</string>
+  <string name="intent_decrypt_file">OpenKeychainでファイルを復号化</string>
+  <string name="intent_import_key">OpenKeychainに鍵をインポート</string>
+  <string name="intent_send_encrypt">OpenKeychainで暗号化</string>
+  <string name="intent_send_decrypt">OpenKeychainで復号化</string>
   <!--Remote API-->
   <string name="api_no_apps">登録されていないアプリケーション!\n\nサードパーティアプリケーションはOpenKeychainにアクセスを要求できます。アクセスを与えた後、それらはここにリストされます。</string>
   <string name="api_settings_show_advanced">拡張設定を表示</string>
@@ -362,7 +362,7 @@
   <plurals name="key_list_selected_keys">
     <item quantity="other">%d の鍵を選択。</item>
   </plurals>
-  <string name="key_list_empty_text1">すでにその鍵は存在しません...</string>
+  <string name="key_list_empty_text1">すでにその鍵は存在しません…</string>
   <string name="key_list_empty_text2">で始める</string>
   <string name="key_list_empty_text3">もしくは</string>
   <string name="key_list_empty_button_create">あなた所有の鍵を作る</string>
diff --git a/OpenPGP-Keychain/src/main/res/values-nl-rNL/strings.xml b/OpenPGP-Keychain/src/main/res/values-nl-rNL/strings.xml
index 7d7efa616..35a0b5a03 100644
--- a/OpenPGP-Keychain/src/main/res/values-nl-rNL/strings.xml
+++ b/OpenPGP-Keychain/src/main/res/values-nl-rNL/strings.xml
@@ -12,7 +12,7 @@
   <string name="title_api_registered_apps">Geregistreerde apps</string>
   <string name="title_change_pass_phrase">Wachtwoord wijzigen</string>
   <string name="title_set_passphrase">Wachtwoord instellen</string>
-  <string name="title_send_email">E-mail verzenden...</string>
+  <string name="title_send_email">E-mail verzenden…</string>
   <string name="title_encrypt_to_file">Versleutelen naar bestand</string>
   <string name="title_decrypt_to_file">Ontsleutelen naar bestand</string>
   <string name="title_import_keys">Sleutels importeren</string>
@@ -109,7 +109,7 @@
   <string name="dsa">DSA</string>
   <string name="elgamal">ElGamal</string>
   <string name="rsa">RSA</string>
-  <string name="filemanager_title_open">Openen...</string>
+  <string name="filemanager_title_open">Openen…</string>
   <string name="warning">Waarschuwing</string>
   <string name="error">Fout</string>
   <string name="error_message">Fout: %s</string>
@@ -172,34 +172,34 @@
   <string name="error_nothing_import">Niets te importeren</string>
   <!--progress dialogs, usually ending in '…'-->
   <string name="progress_done">gereed.</string>
-  <string name="progress_saving">opslaan...</string>
-  <string name="progress_importing">importeren...</string>
-  <string name="progress_exporting">exporteren...</string>
-  <string name="progress_building_key">sleutel maken...</string>
-  <string name="progress_preparing_master_key">hoofdsleutel voorbereiden...</string>
-  <string name="progress_certifying_master_key">hoofdsleutel certificeren...</string>
-  <string name="progress_building_master_key">hoofdsleutelbos maken...</string>
-  <string name="progress_adding_sub_keys">sub-sleutels toevoegen...</string>
-  <string name="progress_extracting_signature_key">ondertekeningssleutel uitpakken...</string>
-  <string name="progress_extracting_key">sleutel uitpakken...</string>
-  <string name="progress_preparing_streams">streams voorbereiden...</string>
-  <string name="progress_encrypting">gegevens versleutelen...</string>
-  <string name="progress_decrypting">gegevens ontsleutelen...</string>
-  <string name="progress_preparing_signature">handtekening voorbereiden...</string>
-  <string name="progress_generating_signature">handtekening genereren...</string>
-  <string name="progress_processing_signature">handtekening verwerken...</string>
-  <string name="progress_verifying_signature">handtekening verifiëren...</string>
-  <string name="progress_signing">ondertekenen...</string>
-  <string name="progress_reading_data">gegevens lezen...</string>
-  <string name="progress_finding_key">sleutel opzoeken...</string>
-  <string name="progress_decompressing_data">gegevens decomprimeren...</string>
-  <string name="progress_verifying_integrity">integriteit verifiëren...</string>
-  <string name="progress_deleting_securely">\'%s\' veilig verwijderen...</string>
-  <string name="progress_querying">opvragen...</string>
+  <string name="progress_saving">opslaan…</string>
+  <string name="progress_importing">importeren…</string>
+  <string name="progress_exporting">exporteren…</string>
+  <string name="progress_building_key">sleutel maken…</string>
+  <string name="progress_preparing_master_key">hoofdsleutel voorbereiden…</string>
+  <string name="progress_certifying_master_key">hoofdsleutel certificeren…</string>
+  <string name="progress_building_master_key">hoofdsleutelbos maken…</string>
+  <string name="progress_adding_sub_keys">sub-sleutels toevoegen…</string>
+  <string name="progress_extracting_signature_key">ondertekeningssleutel uitpakken…</string>
+  <string name="progress_extracting_key">sleutel uitpakken…</string>
+  <string name="progress_preparing_streams">streams voorbereiden…</string>
+  <string name="progress_encrypting">gegevens versleutelen…</string>
+  <string name="progress_decrypting">gegevens ontsleutelen…</string>
+  <string name="progress_preparing_signature">handtekening voorbereiden…</string>
+  <string name="progress_generating_signature">handtekening genereren…</string>
+  <string name="progress_processing_signature">handtekening verwerken…</string>
+  <string name="progress_verifying_signature">handtekening verifiëren…</string>
+  <string name="progress_signing">ondertekenen…</string>
+  <string name="progress_reading_data">gegevens lezen…</string>
+  <string name="progress_finding_key">sleutel opzoeken…</string>
+  <string name="progress_decompressing_data">gegevens decomprimeren…</string>
+  <string name="progress_verifying_integrity">integriteit verifiëren…</string>
+  <string name="progress_deleting_securely">\'%s\' veilig verwijderen…</string>
+  <string name="progress_querying">opvragen…</string>
   <!--action strings-->
   <string name="hint_public_keys">Publieke sleutels zoeken</string>
   <string name="hint_secret_keys">Privésleutels zoeken</string>
-  <string name="action_share_key_with">Sleutel delen met...</string>
+  <string name="action_share_key_with">Sleutel delen met…</string>
   <!--key bit length selections-->
   <string name="key_size_512">512</string>
   <string name="key_size_1024">1024</string>
diff --git a/OpenPGP-Keychain/src/main/res/values-ru/strings.xml b/OpenPGP-Keychain/src/main/res/values-ru/strings.xml
index 7d865cc23..c8aff125b 100644
--- a/OpenPGP-Keychain/src/main/res/values-ru/strings.xml
+++ b/OpenPGP-Keychain/src/main/res/values-ru/strings.xml
@@ -15,7 +15,7 @@
   <string name="title_key_server_preference">Настройки сервера ключей</string>
   <string name="title_change_pass_phrase">Изменить пароль</string>
   <string name="title_set_passphrase">Задать пароль</string>
-  <string name="title_send_email">Отправить...</string>
+  <string name="title_send_email">Отправить…</string>
   <string name="title_encrypt_to_file">Зашифровать в файл</string>
   <string name="title_decrypt_to_file">Расшифровать в файл</string>
   <string name="title_import_keys">Импорт ключей</string>
@@ -61,7 +61,7 @@
   <string name="btn_next">Далее</string>
   <string name="btn_back">Назад</string>
   <string name="btn_clipboard">Буфер обмена</string>
-  <string name="btn_share">Поделиться...</string>
+  <string name="btn_share">Поделиться…</string>
   <string name="btn_lookup_key">Найти ключ</string>
   <!--menu-->
   <string name="menu_preferences">Настройки</string>
@@ -79,9 +79,9 @@
   <string name="menu_key_server">Импорт с сервера ключей</string>
   <string name="menu_update_key">Обновить с сервера ключей</string>
   <string name="menu_export_key_to_server">Загрузить на сервер ключей</string>
-  <string name="menu_share">Отправить...</string>
-  <string name="menu_share_title_fingerprint">Отправить отпечаток...</string>
-  <string name="menu_share_title">Отправить ключ...</string>
+  <string name="menu_share">Отправить…</string>
+  <string name="menu_share_title_fingerprint">Отправить отпечаток…</string>
+  <string name="menu_share_title">Отправить ключ…</string>
   <string name="menu_share_default_fingerprint">Отправить</string>
   <string name="menu_share_default">Отправить</string>
   <string name="menu_share_qr_code">QR код</string>
@@ -91,7 +91,7 @@
   <string name="menu_sign_key">Подписать ключ</string>
   <string name="menu_beam_preferences">Настройки Beam</string>
   <string name="menu_key_edit_cancel">Отмена</string>
-  <string name="menu_encrypt_to">Зашифровать....</string>
+  <string name="menu_encrypt_to">Зашифровать….</string>
   <!--label-->
   <string name="label_sign">Подписать</string>
   <string name="label_message">Сообщение</string>
@@ -115,7 +115,7 @@
   <string name="label_key_servers">Серверы ключей</string>
   <string name="label_key_id">ID ключа</string>
   <string name="label_creation">Создан</string>
-  <string name="label_expiry">Годен до...</string>
+  <string name="label_expiry">Годен до…</string>
   <string name="label_usage">Применение</string>
   <string name="label_key_size">Размер ключа</string>
   <string name="label_main_user_id">Основной ID пользователя</string>
@@ -165,7 +165,7 @@
   <string name="dsa">DSA</string>
   <string name="elgamal">ElGamal</string>
   <string name="rsa">RSA</string>
-  <string name="filemanager_title_open">Открыть...</string>
+  <string name="filemanager_title_open">Открыть…</string>
   <string name="warning">Внимание</string>
   <string name="error">Ошибка</string>
   <string name="error_message">Ошибка: %s</string>
@@ -284,41 +284,41 @@
   </plurals>
   <!--progress dialogs, usually ending in '…'-->
   <string name="progress_done">готово.</string>
-  <string name="progress_saving">сохранение...</string>
-  <string name="progress_importing">импорт...</string>
-  <string name="progress_exporting">экспорт...</string>
-  <string name="progress_generating">создание ключа. это может занять до 3 минут...</string>
-  <string name="progress_building_key">создание ключа...</string>
-  <string name="progress_preparing_master_key">подготовка основного ключа...</string>
-  <string name="progress_certifying_master_key">сертификация основного ключа...</string>
-  <string name="progress_building_master_key">создание основной связки...</string>
-  <string name="progress_adding_sub_keys">добавление доп. ключей...</string>
-  <string name="progress_saving_key_ring">сохранение ключа...</string>
+  <string name="progress_saving">сохранение…</string>
+  <string name="progress_importing">импорт…</string>
+  <string name="progress_exporting">экспорт…</string>
+  <string name="progress_generating">создание ключа. это может занять до 3 минут…</string>
+  <string name="progress_building_key">создание ключа…</string>
+  <string name="progress_preparing_master_key">подготовка основного ключа…</string>
+  <string name="progress_certifying_master_key">сертификация основного ключа…</string>
+  <string name="progress_building_master_key">создание основной связки…</string>
+  <string name="progress_adding_sub_keys">добавление доп. ключей…</string>
+  <string name="progress_saving_key_ring">сохранение ключа…</string>
   <plurals name="progress_exporting_key">
-    <item quantity="one">экспорт ключа...</item>
-    <item quantity="few">экспорт ключей...</item>
-    <item quantity="other">экспорт ключей...</item>
+    <item quantity="one">экспорт ключа…</item>
+    <item quantity="few">экспорт ключей…</item>
+    <item quantity="other">экспорт ключей…</item>
   </plurals>
-  <string name="progress_extracting_signature_key">извлечение подписи ключа...</string>
-  <string name="progress_extracting_key">извлечение ключа...</string>
-  <string name="progress_preparing_streams">подготовка к передаче...</string>
-  <string name="progress_encrypting">шифрование данных...</string>
-  <string name="progress_decrypting">расшифровка данных...</string>
-  <string name="progress_preparing_signature">подготовка подписи...</string>
-  <string name="progress_generating_signature">формирование подписи...</string>
-  <string name="progress_processing_signature">обработка подписи...</string>
-  <string name="progress_verifying_signature">проверка подписи...</string>
-  <string name="progress_signing">подписание...</string>
-  <string name="progress_reading_data">чтение данных...</string>
-  <string name="progress_finding_key">поиск ключа...</string>
-  <string name="progress_decompressing_data">распаковка данных...</string>
-  <string name="progress_verifying_integrity">проверка целостности...</string>
-  <string name="progress_deleting_securely">безопасное удаление \'%s\'...</string>
-  <string name="progress_querying">запрос...</string>
+  <string name="progress_extracting_signature_key">извлечение подписи ключа…</string>
+  <string name="progress_extracting_key">извлечение ключа…</string>
+  <string name="progress_preparing_streams">подготовка к передаче…</string>
+  <string name="progress_encrypting">шифрование данных…</string>
+  <string name="progress_decrypting">расшифровка данных…</string>
+  <string name="progress_preparing_signature">подготовка подписи…</string>
+  <string name="progress_generating_signature">формирование подписи…</string>
+  <string name="progress_processing_signature">обработка подписи…</string>
+  <string name="progress_verifying_signature">проверка подписи…</string>
+  <string name="progress_signing">подписание…</string>
+  <string name="progress_reading_data">чтение данных…</string>
+  <string name="progress_finding_key">поиск ключа…</string>
+  <string name="progress_decompressing_data">распаковка данных…</string>
+  <string name="progress_verifying_integrity">проверка целостности…</string>
+  <string name="progress_deleting_securely">безопасное удаление \'%s\'…</string>
+  <string name="progress_querying">запрос…</string>
   <!--action strings-->
   <string name="hint_public_keys">Найти публичные ключи</string>
   <string name="hint_secret_keys">Найти секретные ключи</string>
-  <string name="action_share_key_with">Отправить...</string>
+  <string name="action_share_key_with">Отправить…</string>
   <!--key bit length selections-->
   <string name="key_size_512">512</string>
   <string name="key_size_1024">1024</string>
@@ -386,7 +386,7 @@
     <item quantity="few">%d ключей выбрано.</item>
     <item quantity="other">%d ключей выбрано.</item>
   </plurals>
-  <string name="key_list_empty_text1">У вас пока нет ключей...</string>
+  <string name="key_list_empty_text1">У вас пока нет ключей…</string>
   <string name="key_list_empty_text2">Но Вы можете</string>
   <string name="key_list_empty_text3">или</string>
   <string name="key_list_empty_button_create">создать свой ключ</string>
diff --git a/OpenPGP-Keychain/src/main/res/values-tr/strings.xml b/OpenPGP-Keychain/src/main/res/values-tr/strings.xml
index 5bb5225b5..4f1becaa1 100644
--- a/OpenPGP-Keychain/src/main/res/values-tr/strings.xml
+++ b/OpenPGP-Keychain/src/main/res/values-tr/strings.xml
@@ -76,7 +76,7 @@
   <string name="dsa">DSA</string>
   <string name="elgamal">ElGamal</string>
   <string name="rsa">RSA</string>
-  <string name="filemanager_title_open">Aç...</string>
+  <string name="filemanager_title_open">Aç…</string>
   <string name="warning">Uyarı</string>
   <string name="error">Hata</string>
   <string name="error_message">Hata: %s</string>
@@ -96,17 +96,17 @@
   <string name="error_corrupt_data">bozuk veri</string>
   <!--progress dialogs, usually ending in '…'-->
   <string name="progress_done">bitti.</string>
-  <string name="progress_saving">kaydediliyor...</string>
-  <string name="progress_importing">alıyor...</string>
-  <string name="progress_exporting">veriyor...</string>
-  <string name="progress_building_key">anahtar oluşturuluyor...</string>
-  <string name="progress_preparing_signature">imza hazırlanıyor...</string>
-  <string name="progress_generating_signature">imza oluşturuluyor...</string>
-  <string name="progress_processing_signature">imza işleniyor...</string>
-  <string name="progress_verifying_signature">imza doğrulanıyor...</string>
-  <string name="progress_signing">imzalanıyor...</string>
-  <string name="progress_reading_data">veri okunuyor...</string>
-  <string name="progress_finding_key">anahtar bulunuyor...</string>
+  <string name="progress_saving">kaydediliyor…</string>
+  <string name="progress_importing">alıyor…</string>
+  <string name="progress_exporting">veriyor…</string>
+  <string name="progress_building_key">anahtar oluşturuluyor…</string>
+  <string name="progress_preparing_signature">imza hazırlanıyor…</string>
+  <string name="progress_generating_signature">imza oluşturuluyor…</string>
+  <string name="progress_processing_signature">imza işleniyor…</string>
+  <string name="progress_verifying_signature">imza doğrulanıyor…</string>
+  <string name="progress_signing">imzalanıyor…</string>
+  <string name="progress_reading_data">veri okunuyor…</string>
+  <string name="progress_finding_key">anahtar bulunuyor…</string>
   <!--action strings-->
   <!--key bit length selections-->
   <string name="key_size_512">512</string>
diff --git a/OpenPGP-Keychain/src/main/res/values-uk/strings.xml b/OpenPGP-Keychain/src/main/res/values-uk/strings.xml
index 7f1766a5c..c883ea583 100644
--- a/OpenPGP-Keychain/src/main/res/values-uk/strings.xml
+++ b/OpenPGP-Keychain/src/main/res/values-uk/strings.xml
@@ -351,10 +351,10 @@
   <string name="import_nfc_help_button">Довідка</string>
   <string name="import_clipboard_button">Отримати ключ з буфера обміну</string>
   <!--Intent labels-->
-  <string name="intent_decrypt_file">OpenPGP: розшифрувати файл</string>
-  <string name="intent_import_key">OpenPGP: імпортувати ключ</string>
-  <string name="intent_send_encrypt">OpenPGP: зашифрувати</string>
-  <string name="intent_send_decrypt">OpenPGP: розшифрувати</string>
+  <string name="intent_decrypt_file">Розшифрувати файл з OpenKeychain</string>
+  <string name="intent_import_key">Імпортувати ключ з OpenKeychain</string>
+  <string name="intent_send_encrypt">Зашифрувати з OpenKeychain</string>
+  <string name="intent_send_decrypt">Розшифрувати з OpenKeychain</string>
   <!--Remote API-->
   <string name="api_no_apps">Нема зареєстрованих програм!\n\nСтороні програми можуть вимагати доступ до OpenPGP Keychain. Після надання доступу вони будуть наведені тут.</string>
   <string name="api_settings_show_advanced">Показати додаткові налаштування</string>
diff --git a/OpenPGP-Keychain/src/main/res/values-zh/strings.xml b/OpenPGP-Keychain/src/main/res/values-zh/strings.xml
index f9422b64b..5848fb8db 100644
--- a/OpenPGP-Keychain/src/main/res/values-zh/strings.xml
+++ b/OpenPGP-Keychain/src/main/res/values-zh/strings.xml
@@ -24,7 +24,7 @@
   <string name="menu_copy_to_clipboard">复制到剪贴板</string>
   <string name="menu_sign_key">签署密钥</string>
   <string name="menu_key_edit_cancel">取消</string>
-  <string name="menu_encrypt_to">加密到...</string>
+  <string name="menu_encrypt_to">加密到…</string>
   <!--label-->
   <string name="label_sign">签署</string>
   <string name="label_message">讯息</string>
@@ -64,7 +64,7 @@
   <string name="choice_4hours">4小时</string>
   <string name="choice_8hours">8小时</string>
   <string name="choice_forever">永远</string>
-  <string name="filemanager_title_open">打开...</string>
+  <string name="filemanager_title_open">打开…</string>
   <string name="warning">警告</string>
   <string name="error">错误</string>
   <!--sentences-->
@@ -106,13 +106,13 @@
   <string name="error_wrong_passphrase">错误的密语</string>
   <!--progress dialogs, usually ending in '…'-->
   <string name="progress_done">完成。</string>
-  <string name="progress_saving">保存...</string>
-  <string name="progress_importing">导入中...</string>
-  <string name="progress_exporting">导出中...</string>
+  <string name="progress_saving">保存…</string>
+  <string name="progress_importing">导入中…</string>
+  <string name="progress_exporting">导出中…</string>
   <string name="progress_building_key">建立密钥</string>
   <string name="progress_preparing_master_key">正在准备主密钥</string>
-  <string name="progress_verifying_signature">正在验证签名...</string>
-  <string name="progress_signing">正在签名...</string>
+  <string name="progress_verifying_signature">正在验证签名…</string>
+  <string name="progress_signing">正在签名…</string>
   <string name="progress_reading_data">正在读取数据</string>
   <string name="progress_finding_key">正在查找密钥</string>
   <string name="progress_querying">正在查询</string>
diff --git a/OpenPGP-Keychain/src/main/res/xml/preferences.xml b/OpenPGP-Keychain/src/main/res/xml/adv_preferences.xml
index f5b46c232..2705bd22f 100644
--- a/OpenPGP-Keychain/src/main/res/xml/preferences.xml
+++ b/OpenPGP-Keychain/src/main/res/xml/adv_preferences.xml
@@ -15,21 +15,7 @@
      limitations under the License.
 -->
 
-<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android" >
-
-    <PreferenceCategory android:title="@string/section_general" >
-        <org.sufficientlysecure.keychain.ui.widget.IntegerListPreference
-            android:entries="@array/pass_phrase_cache_ttl_entries"
-            android:entryValues="@array/pass_phrase_cache_ttl_values"
-            android:key="passPhraseCacheTtl"
-            android:persistent="false"
-            android:title="@string/label_passphrase_cache_ttl" />
-
-        <PreferenceScreen
-            android:key="keyServers"
-            android:persistent="false"
-            android:title="@string/label_key_servers" />
-    </PreferenceCategory>
+<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android">
     <PreferenceCategory android:title="@string/section_defaults" >
         <org.sufficientlysecure.keychain.ui.widget.IntegerListPreference
             android:key="defaultEncryptionAlgorithm"
@@ -59,5 +45,4 @@
             android:persistent="false"
             android:title="@string/label_force_v3_signature" />
     </PreferenceCategory>
-
 </PreferenceScreen>
\ No newline at end of file
diff --git a/OpenPGP-Keychain/src/main/res/xml/gen_preferences.xml b/OpenPGP-Keychain/src/main/res/xml/gen_preferences.xml
new file mode 100644
index 000000000..f83fcb0f6
--- /dev/null
+++ b/OpenPGP-Keychain/src/main/res/xml/gen_preferences.xml
@@ -0,0 +1,32 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+     Copyright (C) 2010 Thialfihar <thi@thialfihar.org>
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+
+<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android">
+    <PreferenceCategory android:title="@string/section_general" >
+        <org.sufficientlysecure.keychain.ui.widget.IntegerListPreference
+            android:entries="@array/pass_phrase_cache_ttl_entries"
+            android:entryValues="@array/pass_phrase_cache_ttl_values"
+            android:key="passPhraseCacheTtl"
+            android:persistent="false"
+            android:title="@string/label_passphrase_cache_ttl" />
+
+        <PreferenceScreen
+            android:key="keyServers"
+            android:persistent="false"
+            android:title="@string/label_key_servers" />
+    </PreferenceCategory>
+</PreferenceScreen>
\ No newline at end of file
diff --git a/OpenPGP-Keychain/src/main/res/xml/preference_headers.xml b/OpenPGP-Keychain/src/main/res/xml/preference_headers.xml
new file mode 100644
index 000000000..3506ba322
--- /dev/null
+++ b/OpenPGP-Keychain/src/main/res/xml/preference_headers.xml
@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+     Copyright (C) 2010 Thialfihar <thi@thialfihar.org>
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+
+<preference-headers xmlns:android="http://schemas.android.com/apk/res/android">
+    <header
+        android:fragment="org.sufficientlysecure.keychain.ui.PreferencesActivity$GeneralPrefsFragment"
+        android:title="@string/section_general" />
+    <header
+        android:fragment="org.sufficientlysecure.keychain.ui.PreferencesActivity$AdvancedPrefsFragment"
+        android:title="@string/section_advanced" />
+</preference-headers>
\ No newline at end of file
diff --git a/OpenPGP-Keychain/src/main/res/xml/preference_headers_legacy.xml b/OpenPGP-Keychain/src/main/res/xml/preference_headers_legacy.xml
new file mode 100644
index 000000000..141bf93e5
--- /dev/null
+++ b/OpenPGP-Keychain/src/main/res/xml/preference_headers_legacy.xml
@@ -0,0 +1,29 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+     Copyright (C) 2010 Thialfihar <thi@thialfihar.org>
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+
+<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android">
+    <Preference
+        android:title="@string/section_general" >
+        <intent
+            android:action="org.sufficientlysecure.keychain.ui.PREFS_GEN" />
+    </Preference>
+    <Preference
+        android:title="@string/section_advanced" >
+        <intent
+            android:action="org.sufficientlysecure.keychain.ui.PREFS_ADV" />
+    </Preference>
+</PreferenceScreen>
\ No newline at end of file
diff --git a/README.md b/README.md
index ba13e901b..038920c3d 100644
--- a/README.md
+++ b/README.md
@@ -32,9 +32,9 @@ Development mailinglist at http://groups.google.com/d/forum/openpgp-keychain-dev
 
 1. Have Android SDK "tools", "platform-tools", and "build-tools" directories in your PATH (http://developer.android.com/sdk/index.html)
 2. Open the Android SDK Manager (shell command: ``android``).  
-Expand the Tools directory and select "Android SDK Build-tools" newest version.  
+Expand the Tools directory and select "Android SDK Build-tools (Version 19.0.3)".  
 Expand the Extras directory and install "Android Support Repository"  
-Select everything for the newest SDK
+Select everything for the newest SDK (API-Level 19)
 3. Export ANDROID_HOME pointing to your Android SDK
 4. Execute ``./gradlew build``
 5. You can install the app with ``adb install -r OpenPGP-Keychain/build/apk/OpenPGP-Keychain-debug-unaligned.apk``
diff --git a/libraries/Android-AppMsg/library/build.gradle b/libraries/Android-AppMsg/library/build.gradle
index 934cf1cb1..f77f1a098 100644
--- a/libraries/Android-AppMsg/library/build.gradle
+++ b/libraries/Android-AppMsg/library/build.gradle
@@ -2,7 +2,7 @@ apply plugin: 'android-library'
 
 android {
     compileSdkVersion 19
-    buildToolsVersion '19.0.1'
+    buildToolsVersion '19.0.3'
 
     defaultConfig {
         minSdkVersion 4
diff --git a/libraries/AndroidBootstrap/build.gradle b/libraries/AndroidBootstrap/build.gradle
index 7724c6d9c..220613132 100644
--- a/libraries/AndroidBootstrap/build.gradle
+++ b/libraries/AndroidBootstrap/build.gradle
@@ -2,10 +2,10 @@ apply plugin: 'android-library'
 
 android {
     compileSdkVersion 19
-    buildToolsVersion "19.0.1"
+    buildToolsVersion "19.0.3"
     defaultConfig {
         minSdkVersion 7
-        targetSdkVersion 17
+        targetSdkVersion 19
     }
     sourceSets {
         main {
diff --git a/libraries/HtmlTextView/build.gradle b/libraries/HtmlTextView/build.gradle
index a0b9b1bc6..d1b26d2bd 100644
--- a/libraries/HtmlTextView/build.gradle
+++ b/libraries/HtmlTextView/build.gradle
@@ -2,8 +2,8 @@ apply plugin: 'android-library'
 
 
 android {
-    compileSdkVersion 17
-    buildToolsVersion '19.0.1'
+    compileSdkVersion 19
+    buildToolsVersion '19.0.3'
 
     sourceSets {
         main {
diff --git a/libraries/HtmlTextView/project.properties b/libraries/HtmlTextView/project.properties
index 484dab075..91d2b0246 100644
--- a/libraries/HtmlTextView/project.properties
+++ b/libraries/HtmlTextView/project.properties
@@ -11,5 +11,5 @@
 #proguard.config=${sdk.dir}/tools/proguard/proguard-android.txt:proguard-project.txt
 
 # Project target.
-target=android-17
+target=android-19
 android.library=true
diff --git a/libraries/StickyListHeaders/library/build.gradle b/libraries/StickyListHeaders/library/build.gradle
index a92c4d80e..b67172c12 100644
--- a/libraries/StickyListHeaders/library/build.gradle
+++ b/libraries/StickyListHeaders/library/build.gradle
@@ -2,7 +2,7 @@ apply plugin: 'android-library'
 
 android {
     compileSdkVersion 19
-    buildToolsVersion '19.0.1'
+    buildToolsVersion '19.0.3'
 
     sourceSets {
         main {
diff --git a/libraries/keychain-api-library/build.gradle b/libraries/keychain-api-library/build.gradle
new file mode 100644
index 000000000..7c923e7f6
--- /dev/null
+++ b/libraries/keychain-api-library/build.gradle
@@ -0,0 +1,35 @@
+// please leave this here, so this library builds on its own
+buildscript {
+    repositories {
+        mavenCentral()
+    }
+
+    dependencies {
+        classpath 'com.android.tools.build:gradle:0.8.3'
+    }
+}
+
+apply plugin: 'android-library'
+
+android {
+    compileSdkVersion 19
+    buildToolsVersion '19.0.3'
+    
+    // NOTE: We are using the old folder structure to also support Eclipse
+    sourceSets {
+        main {
+            manifest.srcFile 'AndroidManifest.xml'
+            java.srcDirs = ['src']
+            resources.srcDirs = ['src']
+            aidl.srcDirs = ['src']
+            renderscript.srcDirs = ['src']
+            res.srcDirs = ['res']
+            assets.srcDirs = ['assets']
+        }
+    }
+    
+    // Do not abort build if lint finds errors
+    lintOptions {
+        abortOnError false
+    }
+}
diff --git a/libraries/zxing-android-integration/build.gradle b/libraries/zxing-android-integration/build.gradle
index a92c4d80e..b67172c12 100644
--- a/libraries/zxing-android-integration/build.gradle
+++ b/libraries/zxing-android-integration/build.gradle
@@ -2,7 +2,7 @@ apply plugin: 'android-library'
 
 android {
     compileSdkVersion 19
-    buildToolsVersion '19.0.1'
+    buildToolsVersion '19.0.3'
 
     sourceSets {
         main {
diff --git a/libraries/zxing/build.gradle b/libraries/zxing/build.gradle
index a92c4d80e..b67172c12 100644
--- a/libraries/zxing/build.gradle
+++ b/libraries/zxing/build.gradle
@@ -2,7 +2,7 @@ apply plugin: 'android-library'
 
 android {
     compileSdkVersion 19
-    buildToolsVersion '19.0.1'
+    buildToolsVersion '19.0.3'
 
     sourceSets {
         main {