Merge branch 'master' into performance

18 files changed, 176 insertions, 175 deletions

diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/CanonicalizedKeyRing.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/CanonicalizedKeyRing.java
index 6f1e78ce6..f1a57461f 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/CanonicalizedKeyRing.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/CanonicalizedKeyRing.java
@@ -18,8 +18,8 @@
 
 package org.sufficientlysecure.keychain.pgp;
 
-import org.spongycastle.openpgp.PGPKeyRing;
-import org.spongycastle.openpgp.PGPPublicKey;
+import org.bouncycastle.openpgp.PGPKeyRing;
+import org.bouncycastle.openpgp.PGPPublicKey;
 import org.sufficientlysecure.keychain.pgp.exception.PgpKeyNotFoundException;
 import org.sufficientlysecure.keychain.ui.util.KeyFormattingUtils;
 import org.sufficientlysecure.keychain.util.IterableIterator;
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/CanonicalizedPublicKey.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/CanonicalizedPublicKey.java
index 476b4e59c..177fe1562 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/CanonicalizedPublicKey.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/CanonicalizedPublicKey.java
@@ -18,10 +18,10 @@
 
 package org.sufficientlysecure.keychain.pgp;
 
-import org.spongycastle.bcpg.sig.KeyFlags;
-import org.spongycastle.openpgp.PGPPublicKey;
-import org.spongycastle.openpgp.PGPSignature;
-import org.spongycastle.openpgp.operator.jcajce.JcePublicKeyKeyEncryptionMethodGenerator;
+import org.bouncycastle.bcpg.sig.KeyFlags;
+import org.bouncycastle.openpgp.PGPPublicKey;
+import org.bouncycastle.openpgp.PGPSignature;
+import org.bouncycastle.openpgp.operator.jcajce.JcePublicKeyKeyEncryptionMethodGenerator;
 import org.sufficientlysecure.keychain.Constants;
 import org.sufficientlysecure.keychain.util.IterableIterator;
 import org.sufficientlysecure.keychain.util.Log;
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/CanonicalizedPublicKeyRing.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/CanonicalizedPublicKeyRing.java
index 5c0472949..1868b27d5 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/CanonicalizedPublicKeyRing.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/CanonicalizedPublicKeyRing.java
@@ -18,12 +18,12 @@
 
 package org.sufficientlysecure.keychain.pgp;
 
-import org.spongycastle.openpgp.PGPObjectFactory;
-import org.spongycastle.openpgp.PGPPublicKey;
-import org.spongycastle.openpgp.PGPPublicKeyRing;
-import org.spongycastle.openpgp.PGPSecretKey;
-import org.spongycastle.openpgp.PGPSecretKeyRing;
-import org.spongycastle.openpgp.operator.jcajce.JcaKeyFingerprintCalculator;
+import org.bouncycastle.openpgp.PGPObjectFactory;
+import org.bouncycastle.openpgp.PGPPublicKey;
+import org.bouncycastle.openpgp.PGPPublicKeyRing;
+import org.bouncycastle.openpgp.PGPSecretKey;
+import org.bouncycastle.openpgp.PGPSecretKeyRing;
+import org.bouncycastle.openpgp.operator.jcajce.JcaKeyFingerprintCalculator;
 import org.sufficientlysecure.keychain.pgp.exception.PgpKeyNotFoundException;
 import org.sufficientlysecure.keychain.util.IterableIterator;
 
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/CanonicalizedSecretKey.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/CanonicalizedSecretKey.java
index 012a7e4e6..a02ff6685 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/CanonicalizedSecretKey.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/CanonicalizedSecretKey.java
@@ -18,30 +18,6 @@
 
 package org.sufficientlysecure.keychain.pgp;
 
-import org.spongycastle.bcpg.S2K;
-import org.spongycastle.bcpg.SymmetricKeyAlgorithmTags;
-import org.spongycastle.openpgp.PGPException;
-import org.spongycastle.openpgp.PGPPrivateKey;
-import org.spongycastle.openpgp.PGPSecretKey;
-import org.spongycastle.openpgp.PGPSignature;
-import org.spongycastle.openpgp.PGPSignatureGenerator;
-import org.spongycastle.openpgp.PGPSignatureSubpacketGenerator;
-import org.spongycastle.openpgp.operator.PBESecretKeyDecryptor;
-import org.spongycastle.openpgp.operator.PGPContentSignerBuilder;
-import org.spongycastle.openpgp.operator.jcajce.CachingDataDecryptorFactory;
-import org.spongycastle.openpgp.operator.jcajce.JcaPGPContentSignerBuilder;
-import org.spongycastle.openpgp.operator.jcajce.JcaPGPKeyConverter;
-import org.spongycastle.openpgp.operator.jcajce.JcePBESecretKeyDecryptorBuilder;
-import org.spongycastle.openpgp.operator.jcajce.JcePublicKeyDataDecryptorFactoryBuilder;
-import org.spongycastle.openpgp.operator.jcajce.NfcSyncPGPContentSignerBuilder;
-import org.spongycastle.openpgp.operator.jcajce.SessionKeySecretKeyDecryptorBuilder;
-import org.sufficientlysecure.keychain.Constants;
-import org.sufficientlysecure.keychain.pgp.exception.PgpGeneralException;
-import org.sufficientlysecure.keychain.pgp.exception.PgpKeyNotFoundException;
-import org.sufficientlysecure.keychain.provider.ProviderHelper;
-import org.sufficientlysecure.keychain.service.input.CryptoInputParcel;
-import org.sufficientlysecure.keychain.util.Log;
-import org.sufficientlysecure.keychain.util.Passphrase;
 
 import java.nio.ByteBuffer;
 import java.security.PrivateKey;
@@ -50,6 +26,31 @@ import java.util.Date;
 import java.util.HashMap;
 import java.util.Map;
 
+import org.bouncycastle.bcpg.S2K;
+import org.bouncycastle.bcpg.SymmetricKeyAlgorithmTags;
+import org.bouncycastle.openpgp.PGPException;
+import org.bouncycastle.openpgp.PGPPrivateKey;
+import org.bouncycastle.openpgp.PGPSecretKey;
+import org.bouncycastle.openpgp.PGPSignature;
+import org.bouncycastle.openpgp.PGPSignatureGenerator;
+import org.bouncycastle.openpgp.PGPSignatureSubpacketGenerator;
+import org.bouncycastle.openpgp.operator.PBESecretKeyDecryptor;
+import org.bouncycastle.openpgp.operator.PGPContentSignerBuilder;
+import org.bouncycastle.openpgp.operator.jcajce.CachingDataDecryptorFactory;
+import org.bouncycastle.openpgp.operator.jcajce.JcaPGPContentSignerBuilder;
+import org.bouncycastle.openpgp.operator.jcajce.JcaPGPKeyConverter;
+import org.bouncycastle.openpgp.operator.jcajce.JcePBESecretKeyDecryptorBuilder;
+import org.bouncycastle.openpgp.operator.jcajce.JcePublicKeyDataDecryptorFactoryBuilder;
+import org.bouncycastle.openpgp.operator.jcajce.NfcSyncPGPContentSignerBuilder;
+import org.bouncycastle.openpgp.operator.jcajce.SessionKeySecretKeyDecryptorBuilder;
+import org.sufficientlysecure.keychain.Constants;
+import org.sufficientlysecure.keychain.pgp.exception.PgpGeneralException;
+import org.sufficientlysecure.keychain.pgp.exception.PgpKeyNotFoundException;
+import org.sufficientlysecure.keychain.provider.ProviderHelper;
+import org.sufficientlysecure.keychain.service.input.CryptoInputParcel;
+import org.sufficientlysecure.keychain.util.Log;
+import org.sufficientlysecure.keychain.util.Passphrase;
+
 
 /**
  * Wrapper for a PGPSecretKey.
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/CanonicalizedSecretKeyRing.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/CanonicalizedSecretKeyRing.java
index 1df16254f..6ed225a83 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/CanonicalizedSecretKeyRing.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/CanonicalizedSecretKeyRing.java
@@ -18,12 +18,12 @@
 
 package org.sufficientlysecure.keychain.pgp;
 
-import org.spongycastle.openpgp.PGPKeyRing;
-import org.spongycastle.openpgp.PGPPublicKey;
-import org.spongycastle.openpgp.PGPSecretKey;
-import org.spongycastle.openpgp.PGPSecretKeyRing;
-import org.spongycastle.openpgp.PGPSignature;
-import org.spongycastle.openpgp.jcajce.JcaPGPObjectFactory;
+import org.bouncycastle.openpgp.PGPKeyRing;
+import org.bouncycastle.openpgp.PGPPublicKey;
+import org.bouncycastle.openpgp.PGPSecretKey;
+import org.bouncycastle.openpgp.PGPSecretKeyRing;
+import org.bouncycastle.openpgp.PGPSignature;
+import org.bouncycastle.openpgp.jcajce.JcaPGPObjectFactory;
 import org.sufficientlysecure.keychain.Constants;
 import org.sufficientlysecure.keychain.pgp.exception.PgpGeneralException;
 import org.sufficientlysecure.keychain.util.IterableIterator;
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/ComparableS2K.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/ComparableS2K.java
index 31faa233c..99b9cdab2 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/ComparableS2K.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/ComparableS2K.java
@@ -23,7 +23,7 @@ import java.util.Arrays;
 import android.os.Parcel;
 import android.os.Parcelable;
 
-import org.spongycastle.bcpg.S2K;
+import org.bouncycastle.bcpg.S2K;
 
 
 /** This is an immutable and parcelable class which stores the full s2k parametrization
@@ -37,7 +37,7 @@ import org.spongycastle.bcpg.S2K;
  * length of the specific session key and thus needs to be considered for purposes of
  * session key caching.
  *
- * @see org.spongycastle.bcpg.S2K
+ * @see org.bouncycastle.bcpg.S2K
  */
 public class ComparableS2K implements Parcelable {
 
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/PgpCertifyOperation.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/PgpCertifyOperation.java
index bf2349734..aa1c2e037 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/PgpCertifyOperation.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/PgpCertifyOperation.java
@@ -23,15 +23,15 @@ import java.nio.ByteBuffer;
 import java.util.Date;
 import java.util.Map;
 
-import org.spongycastle.openpgp.PGPException;
-import org.spongycastle.openpgp.PGPPublicKey;
-import org.spongycastle.openpgp.PGPPublicKeyRing;
-import org.spongycastle.openpgp.PGPSignature;
-import org.spongycastle.openpgp.PGPSignatureGenerator;
-import org.spongycastle.openpgp.PGPSignatureSubpacketGenerator;
-import org.spongycastle.openpgp.PGPSignatureSubpacketVector;
-import org.spongycastle.openpgp.PGPUserAttributeSubpacketVector;
-import org.spongycastle.openpgp.operator.jcajce.NfcSyncPGPContentSignerBuilder.NfcInteractionNeeded;
+import org.bouncycastle.openpgp.PGPException;
+import org.bouncycastle.openpgp.PGPPublicKey;
+import org.bouncycastle.openpgp.PGPPublicKeyRing;
+import org.bouncycastle.openpgp.PGPSignature;
+import org.bouncycastle.openpgp.PGPSignatureGenerator;
+import org.bouncycastle.openpgp.PGPSignatureSubpacketGenerator;
+import org.bouncycastle.openpgp.PGPSignatureSubpacketVector;
+import org.bouncycastle.openpgp.PGPUserAttributeSubpacketVector;
+import org.bouncycastle.openpgp.operator.jcajce.NfcSyncPGPContentSignerBuilder.NfcInteractionNeeded;
 import org.sufficientlysecure.keychain.Constants;
 import org.sufficientlysecure.keychain.operations.results.OperationResult.LogType;
 import org.sufficientlysecure.keychain.operations.results.OperationResult.OperationLog;
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/PgpDecryptVerifyOperation.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/PgpDecryptVerifyOperation.java
index f7a69612a..b6f102593 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/PgpDecryptVerifyOperation.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/PgpDecryptVerifyOperation.java
@@ -37,25 +37,25 @@ import android.webkit.MimeTypeMap;
 
 import org.openintents.openpgp.OpenPgpDecryptionResult;
 import org.openintents.openpgp.OpenPgpMetadata;
-import org.spongycastle.bcpg.ArmoredInputStream;
-import org.spongycastle.openpgp.PGPCompressedData;
-import org.spongycastle.openpgp.PGPDataValidationException;
-import org.spongycastle.openpgp.PGPEncryptedData;
-import org.spongycastle.openpgp.PGPEncryptedDataList;
-import org.spongycastle.openpgp.PGPException;
-import org.spongycastle.openpgp.PGPKeyValidationException;
-import org.spongycastle.openpgp.PGPLiteralData;
-import org.spongycastle.openpgp.PGPPBEEncryptedData;
-import org.spongycastle.openpgp.PGPPublicKeyEncryptedData;
-import org.spongycastle.openpgp.PGPSignatureList;
-import org.spongycastle.openpgp.PGPUtil;
-import org.spongycastle.openpgp.jcajce.JcaSkipMarkerPGPObjectFactory;
-import org.spongycastle.openpgp.operator.PBEDataDecryptorFactory;
-import org.spongycastle.openpgp.operator.PGPDigestCalculatorProvider;
-import org.spongycastle.openpgp.operator.jcajce.CachingDataDecryptorFactory;
-import org.spongycastle.openpgp.operator.jcajce.JcaPGPDigestCalculatorProviderBuilder;
-import org.spongycastle.openpgp.operator.jcajce.JcePBEDataDecryptorFactoryBuilder;
-import org.spongycastle.util.encoders.DecoderException;
+import org.bouncycastle.bcpg.ArmoredInputStream;
+import org.bouncycastle.openpgp.PGPCompressedData;
+import org.bouncycastle.openpgp.PGPDataValidationException;
+import org.bouncycastle.openpgp.PGPEncryptedData;
+import org.bouncycastle.openpgp.PGPEncryptedDataList;
+import org.bouncycastle.openpgp.PGPException;
+import org.bouncycastle.openpgp.PGPKeyValidationException;
+import org.bouncycastle.openpgp.PGPLiteralData;
+import org.bouncycastle.openpgp.PGPPBEEncryptedData;
+import org.bouncycastle.openpgp.PGPPublicKeyEncryptedData;
+import org.bouncycastle.openpgp.PGPSignatureList;
+import org.bouncycastle.openpgp.PGPUtil;
+import org.bouncycastle.openpgp.jcajce.JcaSkipMarkerPGPObjectFactory;
+import org.bouncycastle.openpgp.operator.PBEDataDecryptorFactory;
+import org.bouncycastle.openpgp.operator.PGPDigestCalculatorProvider;
+import org.bouncycastle.openpgp.operator.jcajce.CachingDataDecryptorFactory;
+import org.bouncycastle.openpgp.operator.jcajce.JcaPGPDigestCalculatorProviderBuilder;
+import org.bouncycastle.openpgp.operator.jcajce.JcePBEDataDecryptorFactoryBuilder;
+import org.bouncycastle.util.encoders.DecoderException;
 import org.sufficientlysecure.keychain.Constants;
 import org.sufficientlysecure.keychain.Constants.key;
 import org.sufficientlysecure.keychain.R;
@@ -807,7 +807,7 @@ public class PgpDecryptVerifyOperation extends BaseOperation<PgpDecryptVerifyInp
      * as defined in http://tools.ietf.org/html/rfc4880#section-7
      * <p/>
      * The method is heavily based on
-     * pg/src/main/java/org/spongycastle/openpgp/examples/ClearSignedFileProcessor.java
+     * pg/src/main/java/org/bouncycastle/openpgp/examples/ClearSignedFileProcessor.java
      */
     @NonNull
     private DecryptVerifyResult verifyCleartextSignature(
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/PgpKeyOperation.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/PgpKeyOperation.java
index c42608a6b..e43548165 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/PgpKeyOperation.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/PgpKeyOperation.java
@@ -18,36 +18,36 @@
 
 package org.sufficientlysecure.keychain.pgp;
 
-import org.spongycastle.bcpg.PublicKeyAlgorithmTags;
-import org.spongycastle.bcpg.S2K;
-import org.spongycastle.bcpg.sig.Features;
-import org.spongycastle.bcpg.sig.KeyFlags;
-import org.spongycastle.bcpg.sig.RevocationReasonTags;
-import org.spongycastle.jce.spec.ElGamalParameterSpec;
-import org.spongycastle.openpgp.PGPException;
-import org.spongycastle.openpgp.PGPKeyFlags;
-import org.spongycastle.openpgp.PGPKeyPair;
-import org.spongycastle.openpgp.PGPPrivateKey;
-import org.spongycastle.openpgp.PGPPublicKey;
-import org.spongycastle.openpgp.PGPSecretKey;
-import org.spongycastle.openpgp.PGPSecretKeyRing;
-import org.spongycastle.openpgp.PGPSignature;
-import org.spongycastle.openpgp.PGPSignatureGenerator;
-import org.spongycastle.openpgp.PGPSignatureSubpacketGenerator;
-import org.spongycastle.openpgp.PGPUserAttributeSubpacketVector;
-import org.spongycastle.openpgp.operator.PBESecretKeyDecryptor;
-import org.spongycastle.openpgp.operator.PBESecretKeyEncryptor;
-import org.spongycastle.openpgp.operator.PGPContentSignerBuilder;
-import org.spongycastle.openpgp.operator.PGPDigestCalculator;
-import org.spongycastle.openpgp.operator.jcajce.JcaKeyFingerprintCalculator;
-import org.spongycastle.openpgp.operator.jcajce.JcaPGPContentSignerBuilder;
-import org.spongycastle.openpgp.operator.jcajce.JcaPGPDigestCalculatorProviderBuilder;
-import org.spongycastle.openpgp.operator.jcajce.JcaPGPKeyPair;
-import org.spongycastle.openpgp.operator.jcajce.JcePBESecretKeyDecryptorBuilder;
-import org.spongycastle.openpgp.operator.jcajce.JcePBESecretKeyEncryptorBuilder;
-import org.spongycastle.openpgp.operator.jcajce.NfcSyncPGPContentSignerBuilder;
-import org.spongycastle.openpgp.operator.jcajce.NfcSyncPGPContentSignerBuilder.NfcInteractionNeeded;
-import org.spongycastle.util.encoders.Hex;
+import org.bouncycastle.bcpg.PublicKeyAlgorithmTags;
+import org.bouncycastle.bcpg.S2K;
+import org.bouncycastle.bcpg.sig.Features;
+import org.bouncycastle.bcpg.sig.KeyFlags;
+import org.bouncycastle.bcpg.sig.RevocationReasonTags;
+import org.bouncycastle.jce.spec.ElGamalParameterSpec;
+import org.bouncycastle.openpgp.PGPException;
+import org.bouncycastle.openpgp.PGPKeyFlags;
+import org.bouncycastle.openpgp.PGPKeyPair;
+import org.bouncycastle.openpgp.PGPPrivateKey;
+import org.bouncycastle.openpgp.PGPPublicKey;
+import org.bouncycastle.openpgp.PGPSecretKey;
+import org.bouncycastle.openpgp.PGPSecretKeyRing;
+import org.bouncycastle.openpgp.PGPSignature;
+import org.bouncycastle.openpgp.PGPSignatureGenerator;
+import org.bouncycastle.openpgp.PGPSignatureSubpacketGenerator;
+import org.bouncycastle.openpgp.PGPUserAttributeSubpacketVector;
+import org.bouncycastle.openpgp.operator.PBESecretKeyDecryptor;
+import org.bouncycastle.openpgp.operator.PBESecretKeyEncryptor;
+import org.bouncycastle.openpgp.operator.PGPContentSignerBuilder;
+import org.bouncycastle.openpgp.operator.PGPDigestCalculator;
+import org.bouncycastle.openpgp.operator.jcajce.JcaKeyFingerprintCalculator;
+import org.bouncycastle.openpgp.operator.jcajce.JcaPGPContentSignerBuilder;
+import org.bouncycastle.openpgp.operator.jcajce.JcaPGPDigestCalculatorProviderBuilder;
+import org.bouncycastle.openpgp.operator.jcajce.JcaPGPKeyPair;
+import org.bouncycastle.openpgp.operator.jcajce.JcePBESecretKeyDecryptorBuilder;
+import org.bouncycastle.openpgp.operator.jcajce.JcePBESecretKeyEncryptorBuilder;
+import org.bouncycastle.openpgp.operator.jcajce.NfcSyncPGPContentSignerBuilder;
+import org.bouncycastle.openpgp.operator.jcajce.NfcSyncPGPContentSignerBuilder.NfcInteractionNeeded;
+import org.bouncycastle.util.encoders.Hex;
 import org.sufficientlysecure.keychain.Constants;
 import org.sufficientlysecure.keychain.R;
 import org.sufficientlysecure.keychain.operations.results.EditKeyResult;
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/PgpSecurityConstants.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/PgpSecurityConstants.java
index 7ad7b4d0f..1b15f6fde 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/PgpSecurityConstants.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/PgpSecurityConstants.java
@@ -17,11 +17,11 @@
 
 package org.sufficientlysecure.keychain.pgp;
 
-import org.spongycastle.asn1.nist.NISTNamedCurves;
-import org.spongycastle.bcpg.CompressionAlgorithmTags;
-import org.spongycastle.bcpg.HashAlgorithmTags;
-import org.spongycastle.bcpg.PublicKeyAlgorithmTags;
-import org.spongycastle.bcpg.SymmetricKeyAlgorithmTags;
+import org.bouncycastle.asn1.nist.NISTNamedCurves;
+import org.bouncycastle.bcpg.CompressionAlgorithmTags;
+import org.bouncycastle.bcpg.HashAlgorithmTags;
+import org.bouncycastle.bcpg.PublicKeyAlgorithmTags;
+import org.bouncycastle.bcpg.SymmetricKeyAlgorithmTags;
 
 import java.util.Arrays;
 import java.util.HashSet;
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/PgpSignEncryptInputParcel.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/PgpSignEncryptInputParcel.java
index c2c6234eb..580103942 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/PgpSignEncryptInputParcel.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/PgpSignEncryptInputParcel.java
@@ -18,7 +18,7 @@
 
 package org.sufficientlysecure.keychain.pgp;
 
-import org.spongycastle.bcpg.CompressionAlgorithmTags;
+import org.bouncycastle.bcpg.CompressionAlgorithmTags;
 import org.sufficientlysecure.keychain.Constants;
 import org.sufficientlysecure.keychain.util.Passphrase;
 
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/PgpSignEncryptOperation.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/PgpSignEncryptOperation.java
index a418075c3..f1d4d1272 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/PgpSignEncryptOperation.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/PgpSignEncryptOperation.java
@@ -23,19 +23,19 @@ import android.content.Context;
 import android.os.Parcelable;
 import android.support.annotation.NonNull;
 
-import org.spongycastle.bcpg.ArmoredOutputStream;
-import org.spongycastle.bcpg.BCPGOutputStream;
-import org.spongycastle.bcpg.CompressionAlgorithmTags;
-import org.spongycastle.openpgp.PGPCompressedDataGenerator;
-import org.spongycastle.openpgp.PGPEncryptedDataGenerator;
-import org.spongycastle.openpgp.PGPException;
-import org.spongycastle.openpgp.PGPLiteralData;
-import org.spongycastle.openpgp.PGPLiteralDataGenerator;
-import org.spongycastle.openpgp.PGPSignatureGenerator;
-import org.spongycastle.openpgp.operator.jcajce.JcePBEKeyEncryptionMethodGenerator;
-import org.spongycastle.openpgp.operator.jcajce.JcePGPDataEncryptorBuilder;
-import org.spongycastle.openpgp.operator.jcajce.NfcSyncPGPContentSignerBuilder;
-import org.spongycastle.openpgp.operator.jcajce.PGPUtil;
+import org.bouncycastle.bcpg.ArmoredOutputStream;
+import org.bouncycastle.bcpg.BCPGOutputStream;
+import org.bouncycastle.bcpg.CompressionAlgorithmTags;
+import org.bouncycastle.openpgp.PGPCompressedDataGenerator;
+import org.bouncycastle.openpgp.PGPEncryptedDataGenerator;
+import org.bouncycastle.openpgp.PGPException;
+import org.bouncycastle.openpgp.PGPLiteralData;
+import org.bouncycastle.openpgp.PGPLiteralDataGenerator;
+import org.bouncycastle.openpgp.PGPSignatureGenerator;
+import org.bouncycastle.openpgp.operator.jcajce.JcePBEKeyEncryptionMethodGenerator;
+import org.bouncycastle.openpgp.operator.jcajce.JcePGPDataEncryptorBuilder;
+import org.bouncycastle.openpgp.operator.jcajce.NfcSyncPGPContentSignerBuilder;
+import org.bouncycastle.openpgp.operator.jcajce.PGPUtil;
 import org.sufficientlysecure.keychain.Constants;
 import org.sufficientlysecure.keychain.R;
 import org.sufficientlysecure.keychain.operations.BaseOperation;
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/PgpSignatureChecker.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/PgpSignatureChecker.java
index ed5566bc1..0d27ee4a7 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/PgpSignatureChecker.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/PgpSignatureChecker.java
@@ -9,12 +9,12 @@ import java.io.InputStream;
 import java.security.SignatureException;
 
 import org.openintents.openpgp.OpenPgpSignatureResult;
-import org.spongycastle.openpgp.PGPException;
-import org.spongycastle.openpgp.PGPOnePassSignature;
-import org.spongycastle.openpgp.PGPOnePassSignatureList;
-import org.spongycastle.openpgp.PGPSignature;
-import org.spongycastle.openpgp.PGPSignatureList;
-import org.spongycastle.openpgp.operator.jcajce.JcaPGPContentVerifierBuilderProvider;
+import org.bouncycastle.openpgp.PGPException;
+import org.bouncycastle.openpgp.PGPOnePassSignature;
+import org.bouncycastle.openpgp.PGPOnePassSignatureList;
+import org.bouncycastle.openpgp.PGPSignature;
+import org.bouncycastle.openpgp.PGPSignatureList;
+import org.bouncycastle.openpgp.operator.jcajce.JcaPGPContentVerifierBuilderProvider;
 import org.sufficientlysecure.keychain.Constants;
 import org.sufficientlysecure.keychain.operations.results.OperationResult.LogType;
 import org.sufficientlysecure.keychain.operations.results.OperationResult.OperationLog;
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/UncachedKeyRing.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/UncachedKeyRing.java
index d1382f3dd..d696b9d70 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/UncachedKeyRing.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/UncachedKeyRing.java
@@ -35,22 +35,22 @@ import java.util.Set;
 import java.util.TimeZone;
 import java.util.TreeSet;
 
-import org.spongycastle.bcpg.ArmoredOutputStream;
-import org.spongycastle.bcpg.PublicKeyAlgorithmTags;
-import org.spongycastle.bcpg.SignatureSubpacketTags;
-import org.spongycastle.bcpg.UserAttributeSubpacketTags;
-import org.spongycastle.bcpg.sig.KeyFlags;
-import org.spongycastle.openpgp.PGPKeyRing;
-import org.spongycastle.openpgp.PGPObjectFactory;
-import org.spongycastle.openpgp.PGPPublicKey;
-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.PGPUserAttributeSubpacketVector;
-import org.spongycastle.openpgp.PGPUtil;
-import org.spongycastle.openpgp.operator.jcajce.JcaKeyFingerprintCalculator;
+import org.bouncycastle.bcpg.ArmoredOutputStream;
+import org.bouncycastle.bcpg.PublicKeyAlgorithmTags;
+import org.bouncycastle.bcpg.SignatureSubpacketTags;
+import org.bouncycastle.bcpg.UserAttributeSubpacketTags;
+import org.bouncycastle.bcpg.sig.KeyFlags;
+import org.bouncycastle.openpgp.PGPKeyRing;
+import org.bouncycastle.openpgp.PGPObjectFactory;
+import org.bouncycastle.openpgp.PGPPublicKey;
+import org.bouncycastle.openpgp.PGPPublicKeyRing;
+import org.bouncycastle.openpgp.PGPSecretKey;
+import org.bouncycastle.openpgp.PGPSecretKeyRing;
+import org.bouncycastle.openpgp.PGPSignature;
+import org.bouncycastle.openpgp.PGPSignatureList;
+import org.bouncycastle.openpgp.PGPUserAttributeSubpacketVector;
+import org.bouncycastle.openpgp.PGPUtil;
+import org.bouncycastle.openpgp.operator.jcajce.JcaKeyFingerprintCalculator;
 import org.sufficientlysecure.keychain.Constants;
 import org.sufficientlysecure.keychain.operations.results.OperationResult.LogType;
 import org.sufficientlysecure.keychain.operations.results.OperationResult.OperationLog;
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/UncachedPublicKey.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/UncachedPublicKey.java
index 013a6bf14..4093ce6f7 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/UncachedPublicKey.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/UncachedPublicKey.java
@@ -18,13 +18,13 @@
 
 package org.sufficientlysecure.keychain.pgp;
 
-import org.spongycastle.bcpg.ECPublicBCPGKey;
-import org.spongycastle.bcpg.SignatureSubpacketTags;
-import org.spongycastle.openpgp.PGPPublicKey;
-import org.spongycastle.openpgp.PGPSignature;
-import org.spongycastle.openpgp.PGPSignatureSubpacketVector;
-import org.spongycastle.openpgp.PGPUserAttributeSubpacketVector;
-import org.spongycastle.openpgp.operator.jcajce.JcaPGPContentVerifierBuilderProvider;
+import org.bouncycastle.bcpg.ECPublicBCPGKey;
+import org.bouncycastle.bcpg.SignatureSubpacketTags;
+import org.bouncycastle.openpgp.PGPPublicKey;
+import org.bouncycastle.openpgp.PGPSignature;
+import org.bouncycastle.openpgp.PGPSignatureSubpacketVector;
+import org.bouncycastle.openpgp.PGPUserAttributeSubpacketVector;
+import org.bouncycastle.openpgp.operator.jcajce.JcaPGPContentVerifierBuilderProvider;
 import org.sufficientlysecure.keychain.Constants;
 import org.sufficientlysecure.keychain.util.IterableIterator;
 import org.sufficientlysecure.keychain.util.Log;
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/UncachedSecretKey.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/UncachedSecretKey.java
index 4dfd93289..ba96596be 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/UncachedSecretKey.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/UncachedSecretKey.java
@@ -18,8 +18,8 @@
 
 package org.sufficientlysecure.keychain.pgp;
 
-import org.spongycastle.bcpg.sig.KeyFlags;
-import org.spongycastle.openpgp.PGPSecretKey;
+import org.bouncycastle.bcpg.sig.KeyFlags;
+import org.bouncycastle.openpgp.PGPSecretKey;
 
 import java.io.IOException;
 import java.io.OutputStream;
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/WrappedSignature.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/WrappedSignature.java
index 65604f58f..49b9484b3 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/WrappedSignature.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/WrappedSignature.java
@@ -18,20 +18,20 @@
 
 package org.sufficientlysecure.keychain.pgp;
 
-import org.spongycastle.bcpg.SignatureSubpacket;
-import org.spongycastle.bcpg.SignatureSubpacketTags;
-import org.spongycastle.bcpg.sig.Exportable;
-import org.spongycastle.bcpg.sig.NotationData;
-import org.spongycastle.bcpg.sig.Revocable;
-import org.spongycastle.bcpg.sig.RevocationReason;
-import org.spongycastle.openpgp.PGPException;
-import org.spongycastle.openpgp.PGPObjectFactory;
-import org.spongycastle.openpgp.PGPPublicKey;
-import org.spongycastle.openpgp.PGPSignature;
-import org.spongycastle.openpgp.PGPSignatureList;
-import org.spongycastle.openpgp.PGPUserAttributeSubpacketVector;
-import org.spongycastle.openpgp.operator.jcajce.JcaKeyFingerprintCalculator;
-import org.spongycastle.openpgp.operator.jcajce.JcaPGPContentVerifierBuilderProvider;
+import org.bouncycastle.bcpg.SignatureSubpacket;
+import org.bouncycastle.bcpg.SignatureSubpacketTags;
+import org.bouncycastle.bcpg.sig.Exportable;
+import org.bouncycastle.bcpg.sig.NotationData;
+import org.bouncycastle.bcpg.sig.Revocable;
+import org.bouncycastle.bcpg.sig.RevocationReason;
+import org.bouncycastle.openpgp.PGPException;
+import org.bouncycastle.openpgp.PGPObjectFactory;
+import org.bouncycastle.openpgp.PGPPublicKey;
+import org.bouncycastle.openpgp.PGPSignature;
+import org.bouncycastle.openpgp.PGPSignatureList;
+import org.bouncycastle.openpgp.PGPUserAttributeSubpacketVector;
+import org.bouncycastle.openpgp.operator.jcajce.JcaKeyFingerprintCalculator;
+import org.bouncycastle.openpgp.operator.jcajce.JcaPGPContentVerifierBuilderProvider;
 import org.sufficientlysecure.keychain.Constants;
 import org.sufficientlysecure.keychain.pgp.exception.PgpGeneralException;
 import org.sufficientlysecure.keychain.util.Log;
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/WrappedUserAttribute.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/WrappedUserAttribute.java
index 535314607..48bbd2b99 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/WrappedUserAttribute.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/WrappedUserAttribute.java
@@ -21,14 +21,14 @@
 
 package org.sufficientlysecure.keychain.pgp;
 
-import org.spongycastle.bcpg.BCPGInputStream;
-import org.spongycastle.bcpg.BCPGOutputStream;
-import org.spongycastle.bcpg.Packet;
-import org.spongycastle.bcpg.UserAttributePacket;
-import org.spongycastle.bcpg.UserAttributeSubpacket;
-import org.spongycastle.bcpg.UserAttributeSubpacketInputStream;
-import org.spongycastle.bcpg.UserAttributeSubpacketTags;
-import org.spongycastle.openpgp.PGPUserAttributeSubpacketVector;
+import org.bouncycastle.bcpg.BCPGInputStream;
+import org.bouncycastle.bcpg.BCPGOutputStream;
+import org.bouncycastle.bcpg.Packet;
+import org.bouncycastle.bcpg.UserAttributePacket;
+import org.bouncycastle.bcpg.UserAttributeSubpacket;
+import org.bouncycastle.bcpg.UserAttributeSubpacketInputStream;
+import org.bouncycastle.bcpg.UserAttributeSubpacketTags;
+import org.bouncycastle.openpgp.PGPUserAttributeSubpacketVector;
 
 import java.io.ByteArrayInputStream;
 import java.io.ByteArrayOutputStream;