From bf10eb91b72c18398783685b6445d2b1580dc922 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Dominik=20Sch=C3=BCrmann?= Date: Tue, 22 Jul 2014 18:24:12 +0200 Subject: Remove support for V3 signatures --- .../keychain/pgp/PgpSignEncrypt.java | 104 +++------------------ .../keychain/pgp/WrappedSecretKey.java | 30 ------ 2 files changed, 14 insertions(+), 120 deletions(-) (limited to 'OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp') diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/PgpSignEncrypt.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/PgpSignEncrypt.java index 41b81bf1c..434b2bf90 100644 --- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/PgpSignEncrypt.java +++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/PgpSignEncrypt.java @@ -26,7 +26,6 @@ import org.spongycastle.openpgp.PGPException; import org.spongycastle.openpgp.PGPLiteralData; import org.spongycastle.openpgp.PGPLiteralDataGenerator; import org.spongycastle.openpgp.PGPSignatureGenerator; -import org.spongycastle.openpgp.PGPV3SignatureGenerator; import org.spongycastle.openpgp.operator.jcajce.JcePBEKeyEncryptionMethodGenerator; import org.spongycastle.openpgp.operator.jcajce.JcePGPDataEncryptorBuilder; import org.spongycastle.openpgp.operator.jcajce.NfcSyncPGPContentSignerBuilder; @@ -68,7 +67,6 @@ public class PgpSignEncrypt { private int mSymmetricEncryptionAlgorithm; private long mSignatureMasterKeyId; private int mSignatureHashAlgorithm; - private boolean mSignatureForceV3; private String mSignaturePassphrase; private boolean mEncryptToSigner; private boolean mCleartextInput; @@ -101,7 +99,6 @@ public class PgpSignEncrypt { this.mSymmetricEncryptionAlgorithm = builder.mSymmetricEncryptionAlgorithm; this.mSignatureMasterKeyId = builder.mSignatureMasterKeyId; this.mSignatureHashAlgorithm = builder.mSignatureHashAlgorithm; - this.mSignatureForceV3 = builder.mSignatureForceV3; this.mSignaturePassphrase = builder.mSignaturePassphrase; this.mEncryptToSigner = builder.mEncryptToSigner; this.mCleartextInput = builder.mCleartextInput; @@ -125,7 +122,6 @@ public class PgpSignEncrypt { private int mSymmetricEncryptionAlgorithm = 0; private long mSignatureMasterKeyId = Constants.key.none; private int mSignatureHashAlgorithm = 0; - private boolean mSignatureForceV3 = false; private String mSignaturePassphrase = null; private boolean mEncryptToSigner = false; private boolean mCleartextInput = false; @@ -180,17 +176,6 @@ public class PgpSignEncrypt { return this; } - /** - * Generate old V3 signatures - * - * @param signatureForceV3 - * @return - */ - public Builder setSignatureForceV3(boolean signatureForceV3) { - mSignatureForceV3 = signatureForceV3; - return this; - } - public Builder setSignaturePassphrase(String signaturePassphrase) { mSignaturePassphrase = signaturePassphrase; return this; @@ -367,19 +352,13 @@ public class PgpSignEncrypt { /* Initialize signature generator object for later usage */ PGPSignatureGenerator signatureGenerator = null; - PGPV3SignatureGenerator signatureV3Generator = null; if (enableSignature) { updateProgress(R.string.progress_preparing_signature, 10, 100); try { boolean cleartext = mCleartextInput && mEnableAsciiArmorOutput && !enableEncryption; - if (mSignatureForceV3) { - signatureV3Generator = signingKey.getV3SignatureGenerator( - mSignatureHashAlgorithm, cleartext); - } else { - signatureGenerator = signingKey.getSignatureGenerator( - mSignatureHashAlgorithm, cleartext, mNfcSignedHash, mNfcCreationTimestamp); - } + signatureGenerator = signingKey.getSignatureGenerator( + mSignatureHashAlgorithm, cleartext, mNfcSignedHash, mNfcCreationTimestamp); } catch (PgpGeneralException e) { // TODO throw correct type of exception (which shouldn't be PGPException) throw new KeyExtractionException(); @@ -414,11 +393,7 @@ public class PgpSignEncrypt { } if (enableSignature) { - if (mSignatureForceV3) { - signatureV3Generator.generateOnePassVersion(false).encode(bcpgOut); - } else { - signatureGenerator.generateOnePassVersion(false).encode(bcpgOut); - } + signatureGenerator.generateOnePassVersion(false).encode(bcpgOut); } PGPLiteralDataGenerator literalGen = new PGPLiteralDataGenerator(); @@ -436,11 +411,7 @@ public class PgpSignEncrypt { // update signature buffer if signature is requested if (enableSignature) { - if (mSignatureForceV3) { - signatureV3Generator.update(buffer, 0, n); - } else { - signatureGenerator.update(buffer, 0, n); - } + signatureGenerator.update(buffer, 0, n); } progress += n; @@ -462,11 +433,7 @@ public class PgpSignEncrypt { final BufferedReader reader = new BufferedReader(new InputStreamReader(in)); // update signature buffer with first line - if (mSignatureForceV3) { - processLineV3(reader.readLine(), armorOut, signatureV3Generator); - } else { - processLine(reader.readLine(), armorOut, signatureGenerator); - } + processLine(reader.readLine(), armorOut, signatureGenerator); while (true) { String line = reader.readLine(); @@ -480,13 +447,8 @@ public class PgpSignEncrypt { armorOut.write(NEW_LINE); // update signature buffer with input line - if (mSignatureForceV3) { - signatureV3Generator.update(NEW_LINE); - processLineV3(line, armorOut, signatureV3Generator); - } else { - signatureGenerator.update(NEW_LINE); - processLine(line, armorOut, signatureGenerator); - } + signatureGenerator.update(NEW_LINE); + processLine(line, armorOut, signatureGenerator); } armorOut.endClearText(); @@ -506,11 +468,7 @@ public class PgpSignEncrypt { bcpgOut = new BCPGOutputStream(out); } - if (mSignatureForceV3) { - signatureV3Generator.generateOnePassVersion(false).encode(bcpgOut); - } else { - signatureGenerator.generateOnePassVersion(false).encode(bcpgOut); - } + signatureGenerator.generateOnePassVersion(false).encode(bcpgOut); PGPLiteralDataGenerator literalGen = new PGPLiteralDataGenerator(); // file name not needed, so empty string @@ -522,11 +480,7 @@ public class PgpSignEncrypt { while ((n = in.read(buffer)) > 0) { pOut.write(buffer, 0, n); - if (mSignatureForceV3) { - signatureV3Generator.update(buffer, 0, n); - } else { - signatureGenerator.update(buffer, 0, n); - } + signatureGenerator.update(buffer, 0, n); } literalGen.close(); @@ -537,15 +491,11 @@ public class PgpSignEncrypt { if (enableSignature) { updateProgress(R.string.progress_generating_signature, 95, 100); - if (mSignatureForceV3) { - signatureV3Generator.generate().encode(pOut); - } else { - try { - signatureGenerator.generate().encode(pOut); - } catch (NfcSyncPGPContentSignerBuilder.NfcInteractionNeeded e) { - // this secret key diverts to a OpenPGP card, throw exception with hash that will be signed - throw new NeedNfcDataException(e.hashToSign, e.creationTimestamp); - } + try { + signatureGenerator.generate().encode(pOut); + } catch (NfcSyncPGPContentSignerBuilder.NfcInteractionNeeded e) { + // this secret key diverts to a OpenPGP card, throw exception with hash that will be signed + throw new NeedNfcDataException(e.hashToSign, e.creationTimestamp); } } @@ -595,30 +545,4 @@ public class PgpSignEncrypt { pSignatureGenerator.update(data); } - private static void processLineV3(final String pLine, final ArmoredOutputStream pArmoredOutput, - final PGPV3SignatureGenerator pSignatureGenerator) - throws IOException, SignatureException { - - if (pLine == null) { - return; - } - - final char[] chars = pLine.toCharArray(); - int len = chars.length; - - while (len > 0) { - if (!Character.isWhitespace(chars[len - 1])) { - break; - } - len--; - } - - final byte[] data = pLine.substring(0, len).getBytes("UTF-8"); - - if (pArmoredOutput != null) { - pArmoredOutput.write(data); - } - pSignatureGenerator.update(data); - } - } diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/WrappedSecretKey.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/WrappedSecretKey.java index ea919b683..cc6313b32 100644 --- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/WrappedSecretKey.java +++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/WrappedSecretKey.java @@ -12,7 +12,6 @@ import org.spongycastle.openpgp.PGPSignatureGenerator; import org.spongycastle.openpgp.PGPSignatureSubpacketGenerator; import org.spongycastle.openpgp.PGPSignatureSubpacketVector; import org.spongycastle.openpgp.PGPUtil; -import org.spongycastle.openpgp.PGPV3SignatureGenerator; import org.spongycastle.openpgp.operator.PBESecretKeyDecryptor; import org.spongycastle.openpgp.operator.PGPContentSignerBuilder; import org.spongycastle.openpgp.operator.PublicKeyDataDecryptorFactory; @@ -174,35 +173,6 @@ public class WrappedSecretKey extends WrappedPublicKey { } } - public PGPV3SignatureGenerator getV3SignatureGenerator(int hashAlgo, boolean cleartext) - throws PgpGeneralException { - // TODO: divert to card missing - if (mPrivateKeyState != PRIVATE_KEY_STATE_UNLOCKED) { - throw new PrivateKeyNotUnlockedException(); - } - - // content signer based on signing key algorithm and chosen hash algorithm - JcaPGPContentSignerBuilder contentSignerBuilder = new JcaPGPContentSignerBuilder( - mSecretKey.getPublicKey().getAlgorithm(), hashAlgo) - .setProvider(Constants.BOUNCY_CASTLE_PROVIDER_NAME); - - int signatureType; - if (cleartext) { - // for sign-only ascii text - signatureType = PGPSignature.CANONICAL_TEXT_DOCUMENT; - } else { - signatureType = PGPSignature.BINARY_DOCUMENT; - } - - try { - PGPV3SignatureGenerator signatureV3Generator = new PGPV3SignatureGenerator(contentSignerBuilder); - signatureV3Generator.init(signatureType, mPrivateKey); - return signatureV3Generator; - } catch(PGPException e) { - throw new PgpGeneralException("Error initializing signature!", e); - } - } - public PublicKeyDataDecryptorFactory getDecryptorFactory() { // TODO: divert to card missing if (mPrivateKeyState != PRIVATE_KEY_STATE_UNLOCKED) { -- cgit v1.2.3