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get rid of code path for pin and notation data handling

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This commit is contained in:
Vincent Breitmoser
2016-03-23 17:49:26 +01:00
parent a8603d6974
commit c917262957
9 changed files with 75 additions and 157 deletions
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113
OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/PgpKeyOperation.java
View File

@@ -18,6 +18,23 @@
package org.sufficientlysecure.keychain.pgp;
import java.io.IOException;
import java.math.BigInteger;
import java.nio.ByteBuffer;
import java.security.InvalidAlgorithmParameterException;
import java.security.KeyPairGenerator;
import java.security.NoSuchAlgorithmException;
import java.security.NoSuchProviderException;
import java.security.SecureRandom;
import java.security.SignatureException;
import java.security.spec.ECGenParameterSpec;
import java.util.Arrays;
import java.util.Date;
import java.util.Iterator;
import java.util.Stack;
import java.util.concurrent.atomic.AtomicBoolean;
import org.bouncycastle.bcpg.PublicKeyAlgorithmTags;
import org.bouncycastle.bcpg.S2K;
import org.bouncycastle.bcpg.sig.Features;
@@ -57,13 +74,12 @@ import org.sufficientlysecure.keychain.operations.results.OperationResult.Operat
import org.sufficientlysecure.keychain.operations.results.PgpEditKeyResult;
import org.sufficientlysecure.keychain.service.SaveKeyringParcel;
import org.sufficientlysecure.keychain.service.SaveKeyringParcel.Algorithm;
import org.sufficientlysecure.keychain.service.SaveKeyringParcel.ChangeUnlockParcel;
import org.sufficientlysecure.keychain.service.SaveKeyringParcel.Curve;
import org.sufficientlysecure.keychain.service.SaveKeyringParcel.SubkeyAdd;
import org.sufficientlysecure.keychain.service.input.CryptoInputParcel;
import org.sufficientlysecure.keychain.service.input.RequiredInputParcel;
import org.sufficientlysecure.keychain.service.input.RequiredInputParcel.NfcSignOperationsBuilder;
import org.sufficientlysecure.keychain.service.input.RequiredInputParcel.NfcKeyToCardOperationsBuilder;
import org.sufficientlysecure.keychain.service.input.RequiredInputParcel.NfcSignOperationsBuilder;
import org.sufficientlysecure.keychain.ui.util.KeyFormattingUtils;
import org.sufficientlysecure.keychain.util.IterableIterator;
import org.sufficientlysecure.keychain.util.Log;
@@ -71,22 +87,6 @@ import org.sufficientlysecure.keychain.util.Passphrase;
import org.sufficientlysecure.keychain.util.Primes;
import org.sufficientlysecure.keychain.util.ProgressScaler;
import java.io.IOException;
import java.math.BigInteger;
import java.nio.ByteBuffer;
import java.security.InvalidAlgorithmParameterException;
import java.security.KeyPairGenerator;
import java.security.NoSuchAlgorithmException;
import java.security.NoSuchProviderException;
import java.security.SecureRandom;
import java.security.SignatureException;
import java.security.spec.ECGenParameterSpec;
import java.util.Arrays;
import java.util.Date;
import java.util.Iterator;
import java.util.Stack;
import java.util.concurrent.atomic.AtomicBoolean;
/**
* This class is the single place where ALL operations that actually modify a PGP public or secret
* key take place.
@@ -1058,8 +1058,8 @@ public class PgpKeyOperation {
log.add(LogType.MSG_MF_PASSPHRASE, indent);
indent += 1;
sKR = applyNewUnlock(sKR, masterPublicKey, masterPrivateKey,
cryptoInput.getPassphrase(), saveParcel.mNewUnlock, log, indent);
sKR = applyNewPassphrase(sKR, masterPublicKey, cryptoInput.getPassphrase(),
saveParcel.mNewUnlock.mNewPassphrase, log, indent);
if (sKR == null) {
// The error has been logged above, just return a bad state
return new PgpEditKeyResult(PgpEditKeyResult.RESULT_ERROR, log, null);
@@ -1191,76 +1191,6 @@ public class PgpKeyOperation {
}
private static PGPSecretKeyRing applyNewUnlock(
PGPSecretKeyRing sKR,
PGPPublicKey masterPublicKey,
PGPPrivateKey masterPrivateKey,
Passphrase passphrase,
ChangeUnlockParcel newUnlock,
OperationLog log, int indent) throws PGPException {
if (newUnlock.mNewPassphrase != null) {
sKR = applyNewPassphrase(sKR, masterPublicKey, passphrase, newUnlock.mNewPassphrase, log, indent);
// if there is any old packet with notation data
if (hasNotationData(sKR)) {
log.add(LogType.MSG_MF_NOTATION_EMPTY, indent);
// add packet with EMPTY notation data (updates old one, but will be stripped later)
PGPContentSignerBuilder signerBuilder = new JcaPGPContentSignerBuilder(
masterPrivateKey.getPublicKeyPacket().getAlgorithm(),
PgpSecurityConstants.SECRET_KEY_BINDING_SIGNATURE_HASH_ALGO)
.setProvider(Constants.BOUNCY_CASTLE_PROVIDER_NAME);
PGPSignatureGenerator sGen = new PGPSignatureGenerator(signerBuilder);
{ // set subpackets
PGPSignatureSubpacketGenerator hashedPacketsGen = new PGPSignatureSubpacketGenerator();
hashedPacketsGen.setExportable(false, false);
sGen.setHashedSubpackets(hashedPacketsGen.generate());
}
sGen.init(PGPSignature.DIRECT_KEY, masterPrivateKey);
PGPSignature emptySig = sGen.generateCertification(masterPublicKey);
masterPublicKey = PGPPublicKey.addCertification(masterPublicKey, emptySig);
sKR = PGPSecretKeyRing.insertSecretKey(sKR,
PGPSecretKey.replacePublicKey(sKR.getSecretKey(), masterPublicKey));
}
return sKR;
}
if (newUnlock.mNewPin != null) {
sKR = applyNewPassphrase(sKR, masterPublicKey, passphrase, newUnlock.mNewPin, log, indent);
log.add(LogType.MSG_MF_NOTATION_PIN, indent);
// add packet with "pin" notation data
PGPContentSignerBuilder signerBuilder = new JcaPGPContentSignerBuilder(
masterPrivateKey.getPublicKeyPacket().getAlgorithm(),
PgpSecurityConstants.SECRET_KEY_BINDING_SIGNATURE_HASH_ALGO)
.setProvider(Constants.BOUNCY_CASTLE_PROVIDER_NAME);
PGPSignatureGenerator sGen = new PGPSignatureGenerator(signerBuilder);
{ // set subpackets
PGPSignatureSubpacketGenerator hashedPacketsGen = new PGPSignatureSubpacketGenerator();
hashedPacketsGen.setExportable(false, false);
hashedPacketsGen.setNotationData(false, true, "unlock.pin@sufficientlysecure.org", "1");
sGen.setHashedSubpackets(hashedPacketsGen.generate());
}
sGen.init(PGPSignature.DIRECT_KEY, masterPrivateKey);
PGPSignature emptySig = sGen.generateCertification(masterPublicKey);
masterPublicKey = PGPPublicKey.addCertification(masterPublicKey, emptySig);
sKR = PGPSecretKeyRing.insertSecretKey(sKR,
PGPSecretKey.replacePublicKey(sKR.getSecretKey(), masterPublicKey));
return sKR;
}
throw new UnsupportedOperationException("PIN passphrases not yet implemented!");
}
/** This method returns true iff the provided keyring has a local direct key signature
* with notation data.
*/
@@ -1294,8 +1224,7 @@ public class PgpKeyOperation {
PgpSecurityConstants.SECRET_KEY_ENCRYPTOR_S2K_COUNT)
.setProvider(Constants.BOUNCY_CASTLE_PROVIDER_NAME).build(newPassphrase.getCharArray());
// noinspection unchecked
for (PGPSecretKey sKey : new IterableIterator<PGPSecretKey>(sKR.getSecretKeys())) {
for (PGPSecretKey sKey : new IterableIterator<>(sKR.getSecretKeys())) {
log.add(LogType.MSG_MF_PASSPHRASE_KEY, indent,
KeyFormattingUtils.convertKeyIdToHex(sKey.getKeyID()));

42
OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/UncachedKeyRing.java
View File

@@ -35,6 +35,8 @@ import java.util.Set;
import java.util.TimeZone;
import java.util.TreeSet;
import android.support.annotation.VisibleForTesting;
import org.bouncycastle.bcpg.ArmoredOutputStream;
import org.bouncycastle.bcpg.PublicKeyAlgorithmTags;
import org.bouncycastle.bcpg.SignatureSubpacketTags;
@@ -42,15 +44,22 @@ 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.PGPPrivateKey;
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.PGPSignatureGenerator;
import org.bouncycastle.openpgp.PGPSignatureList;
import org.bouncycastle.openpgp.PGPSignatureSubpacketGenerator;
import org.bouncycastle.openpgp.PGPUserAttributeSubpacketVector;
import org.bouncycastle.openpgp.PGPUtil;
import org.bouncycastle.openpgp.operator.PBESecretKeyDecryptor;
import org.bouncycastle.openpgp.operator.PGPContentSignerBuilder;
import org.bouncycastle.openpgp.operator.jcajce.JcaKeyFingerprintCalculator;
import org.bouncycastle.openpgp.operator.jcajce.JcaPGPContentSignerBuilder;
import org.bouncycastle.openpgp.operator.jcajce.JcePBESecretKeyDecryptorBuilder;
import org.sufficientlysecure.keychain.Constants;
import org.sufficientlysecure.keychain.operations.results.OperationResult.LogType;
import org.sufficientlysecure.keychain.operations.results.OperationResult.OperationLog;
@@ -1310,4 +1319,37 @@ public class UncachedKeyRing {
|| algorithm == PGPPublicKey.ECDH;
}
// ONLY TO BE USED FOR TESTING!!
@VisibleForTesting
public static UncachedKeyRing forTestingOnlyAddDummyLocalSignature(
UncachedKeyRing uncachedKeyRing, String passphrase) throws Exception {
PGPSecretKeyRing sKR = (PGPSecretKeyRing) uncachedKeyRing.mRing;
PBESecretKeyDecryptor keyDecryptor = new JcePBESecretKeyDecryptorBuilder().setProvider(
Constants.BOUNCY_CASTLE_PROVIDER_NAME).build(passphrase.toCharArray());
PGPPrivateKey masterPrivateKey = sKR.getSecretKey().extractPrivateKey(keyDecryptor);
PGPPublicKey masterPublicKey = uncachedKeyRing.mRing.getPublicKey();
// add packet with "pin" notation data
PGPContentSignerBuilder signerBuilder = new JcaPGPContentSignerBuilder(
masterPrivateKey.getPublicKeyPacket().getAlgorithm(),
PgpSecurityConstants.SECRET_KEY_BINDING_SIGNATURE_HASH_ALGO)
.setProvider(Constants.BOUNCY_CASTLE_PROVIDER_NAME);
PGPSignatureGenerator sGen = new PGPSignatureGenerator(signerBuilder);
{ // set subpackets
PGPSignatureSubpacketGenerator hashedPacketsGen = new PGPSignatureSubpacketGenerator();
hashedPacketsGen.setExportable(false, false);
hashedPacketsGen.setNotationData(false, true, "dummynotationdata", "some data");
sGen.setHashedSubpackets(hashedPacketsGen.generate());
}
sGen.init(PGPSignature.DIRECT_KEY, masterPrivateKey);
PGPSignature emptySig = sGen.generateCertification(masterPublicKey);
masterPublicKey = PGPPublicKey.addCertification(masterPublicKey, emptySig);
sKR = PGPSecretKeyRing.insertSecretKey(sKR,
PGPSecretKey.replacePublicKey(sKR.getSecretKey(), masterPublicKey));
return new UncachedKeyRing(sKR);
}
}