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Code Issues Releases Wiki Activity

Remove no longer reuired KeyRingSubKeyFix

Browse source 
since we are using BouncyCastle 1.62 now.
This commit is contained in:
Florian Schmaus 2019-07-28 12:25:00 +02:00
parent ea17d11a99
commit 9f062ebd79
4 changed files with 1 additions and 170 deletions
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4
pgpainless-core/src/main/java/org/pgpainless/key/generation/KeyRingBuilder.java
View file

@ -51,7 +51,6 @@ import org.pgpainless.key.generation.type.KeyType;
import org.pgpainless.key.generation.type.RSA_GENERAL;
import org.pgpainless.key.generation.type.curve.EllipticCurve;
import org.pgpainless.key.generation.type.length.RsaLength;
import org.pgpainless.util.KeyRingSubKeyFix;
import org.pgpainless.util.Passphrase;
public class KeyRingBuilder implements KeyRingBuilderInterface {
@ -206,9 +205,6 @@ public class KeyRingBuilder implements KeyRingBuilderInterface {
PGPPublicKeyRing publicKeys = ringGenerator.generatePublicKeyRing();
PGPSecretKeyRing secretKeys = ringGenerator.generateSecretKeyRing();
// TODO: Remove once BC 1.61 is released
secretKeys = KeyRingSubKeyFix.repairSubkeyPackets(secretKeys, null, null);
return new PGPKeyRing(publicKeys, secretKeys);
}

4
pgpainless-core/src/main/java/org/pgpainless/util/BCUtil.java
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@ -65,10 +65,8 @@ public class BCUtil {
public static PGPPublicKeyRing publicKeyRingFromSecretKeyRing(@Nonnull PGPSecretKeyRing secretKeys)
throws PGPException, IOException {
PGPSecretKeyRing fixedSecretKeys = KeyRingSubKeyFix.repairSubkeyPackets(secretKeys, null, null);
ByteArrayOutputStream buffer = new ByteArrayOutputStream(512);
for (PGPSecretKey secretKey : fixedSecretKeys) {
for (PGPSecretKey secretKey : secretKeys) {
PGPPublicKey publicKey = secretKey.getPublicKey();
if (publicKey != null) {
publicKey.encode(buffer, false);

111
pgpainless-core/src/main/java/org/pgpainless/util/KeyRingSubKeyFix.java
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@ -1,111 +0,0 @@
/*
* Copyright 2018 Paul Schaub.
*
* 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.
*/
package org.pgpainless.util;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;
import java.lang.reflect.Field;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.bouncycastle.bcpg.HashAlgorithmTags;
import org.bouncycastle.bcpg.PublicKeyPacket;
import org.bouncycastle.bcpg.PublicSubkeyPacket;
import org.bouncycastle.openpgp.PGPException;
import org.bouncycastle.openpgp.PGPPrivateKey;
import org.bouncycastle.openpgp.PGPPublicKey;
import org.bouncycastle.openpgp.PGPSecretKey;
import org.bouncycastle.openpgp.PGPSecretKeyRing;
import org.bouncycastle.openpgp.operator.PBESecretKeyDecryptor;
import org.bouncycastle.openpgp.operator.PBESecretKeyEncryptor;
import org.bouncycastle.openpgp.operator.PGPDigestCalculator;
import org.bouncycastle.openpgp.operator.bc.BcPGPDigestCalculatorProvider;
public class KeyRingSubKeyFix {
private static final Logger LOGGER = Logger.getLogger(KeyRingSubKeyFix.class.getName());
/**
* This method makes sure, that sub keys do consist of sub key packets.
* Bouncycastle versions up to and including 1.60 created {@link PGPSecretKeyRing}s which sub keys consisted of
* normal public key packets, which would result in lost keys when converting PGPSecretKeyRings to PGPPublicKeyRings.
*
* This method throws a {@link RuntimeException} of a {@link NoSuchFieldException} or {@link IllegalAccessException}.
*
* @see <a href="https://github.com/bcgit/bc-java/issues/381">Bouncycastle Java bug report #381</a>
*
* @param secretKeys possibly faulty PGPSecretKeyRing
* @param decryptor decryptor in case the keys are encrypted (can be null)
* @param encryptor encryptor to re-encrypt the keys in case they are encrypted (can be null)
*
* @return fixed PGPSecretKeyRing
*
* @throws PGPException in case we cannot dismantle or reassemble the key.
*/
public static PGPSecretKeyRing repairSubkeyPackets(@Nonnull PGPSecretKeyRing secretKeys,
@Nullable PBESecretKeyDecryptor decryptor,
@Nullable PBESecretKeyEncryptor encryptor)
throws PGPException {
PGPDigestCalculator calculator = new BcPGPDigestCalculatorProvider().get(HashAlgorithmTags.SHA1);
List<PGPSecretKey> _secretKeys = new ArrayList<>();
Iterator<PGPSecretKey> secretKeyIterator = secretKeys.iterator();
try {
while (secretKeyIterator.hasNext()) {
PGPSecretKey secSubKey = secretKeyIterator.next();
if (secSubKey.isMasterKey()) {
LOGGER.log(Level.FINER, Long.toHexString(secSubKey.getKeyID()) + " is master key. Skip.");
_secretKeys.add(secSubKey);
continue;
}
PGPPublicKey pubSubKey = secSubKey.getPublicKey();
// check for public key packet type
Field publicPk = pubSubKey.getClass().getDeclaredField("publicPk");
publicPk.setAccessible(true);
PublicKeyPacket keyPacket = (PublicKeyPacket) publicPk.get(pubSubKey);
if (keyPacket instanceof PublicSubkeyPacket) {
// Sub key is already sub key
_secretKeys.add(secSubKey);
continue;
}
// Sub key is normal key -> fix
LOGGER.log(Level.FINER, "Subkey " + Long.toHexString(secSubKey.getKeyID()) + " does not have a subkey key packet. Convert it...");
keyPacket = new PublicSubkeyPacket(pubSubKey.getAlgorithm(), pubSubKey.getCreationTime(), keyPacket.getKey());
publicPk.set(pubSubKey, keyPacket);
PGPPrivateKey privateKey = secSubKey.extractPrivateKey(decryptor);
PGPSecretKey secretKey = new PGPSecretKey(privateKey, pubSubKey, calculator, false, encryptor);
_secretKeys.add(secretKey);
}
return new PGPSecretKeyRing(_secretKeys);
} catch (NoSuchFieldException | IllegalAccessException e) {
throw new RuntimeException("Cannot apply fix due to an error while using reflections.", e);
}
}
}

52
pgpainless-core/src/test/java/org/pgpainless/KeyRingSubKeyFixTest.java
View file

@ -1,52 +0,0 @@
/*
* Copyright 2018 Paul Schaub.
*
* 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.
*/
package org.pgpainless;
import static junit.framework.TestCase.assertTrue;
import java.io.IOException;
import java.security.InvalidAlgorithmParameterException;
import java.security.NoSuchAlgorithmException;
import java.security.NoSuchProviderException;
import java.util.Arrays;
import org.bouncycastle.openpgp.PGPException;
import org.bouncycastle.openpgp.PGPPublicKeyRing;
import org.bouncycastle.openpgp.PGPSecretKeyRing;
import org.junit.Test;
import org.pgpainless.key.collection.PGPKeyRing;
import org.pgpainless.util.BCUtil;
import org.pgpainless.util.KeyRingSubKeyFix;
public class KeyRingSubKeyFixTest extends AbstractPGPainlessTest {
@Test
public void test()
throws PGPException, NoSuchAlgorithmException, NoSuchProviderException, InvalidAlgorithmParameterException,
IOException {
PGPKeyRing ring = PGPainless.generateKeyRing().simpleEcKeyRing("hallo@welt.de");
PGPSecretKeyRing secretKeys = ring.getSecretKeys();
PGPPublicKeyRing publicKeys = ring.getPublicKeys();
PGPSecretKeyRing fixed = KeyRingSubKeyFix.repairSubkeyPackets(secretKeys, null, null);
assertTrue(Arrays.equals(secretKeys.getEncoded(), fixed.getEncoded()));
PGPPublicKeyRing fixedPub = BCUtil.publicKeyRingFromSecretKeyRing(fixed);
assertTrue(Arrays.equals(publicKeys.getEncoded(), fixedPub.getEncoded()));
}
}