/*
* Copyright (C) 2014 Vincent Breitmoser <v.breitmoser@mugenguild.com>
*
* 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 org.apache.tools.ant.util.StringUtils;
import org.bouncycastle.bcpg.BCPGInputStream;
import org.bouncycastle.bcpg.Packet;
import org.bouncycastle.bcpg.PacketTags;
import org.bouncycastle.bcpg.PublicKeyEncSessionPacket;
import org.bouncycastle.bcpg.sig.KeyFlags;
import org.bouncycastle.jce.provider.BouncyCastleProvider;
import org.junit.Assert;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.openintents.openpgp.OpenPgpDecryptionResult;
import org.openintents.openpgp.OpenPgpMetadata;
import org.openintents.openpgp.OpenPgpSignatureResult;
import org.robolectric.RuntimeEnvironment;
import org.robolectric.shadows.ShadowLog;
import org.sufficientlysecure.keychain.KeychainTestRunner;
import org.sufficientlysecure.keychain.operations.results.DecryptVerifyResult;
import org.sufficientlysecure.keychain.operations.results.OperationResult.LogType;
import org.sufficientlysecure.keychain.operations.results.PgpEditKeyResult;
import org.sufficientlysecure.keychain.operations.results.PgpSignEncryptResult;
import org.sufficientlysecure.keychain.provider.KeyWritableRepository;
import org.sufficientlysecure.keychain.provider.KeychainContract.KeyRingData;
import org.sufficientlysecure.keychain.service.ChangeUnlockParcel;
import org.sufficientlysecure.keychain.service.SaveKeyringParcel;
import org.sufficientlysecure.keychain.service.SaveKeyringParcel.Algorithm;
import org.sufficientlysecure.keychain.service.SaveKeyringParcel.SubkeyChange;
import org.sufficientlysecure.keychain.service.input.CryptoInputParcel;
import org.sufficientlysecure.keychain.service.input.RequiredInputParcel.RequiredInputType;
import org.sufficientlysecure.keychain.support.KeyringTestingHelper;
import org.sufficientlysecure.keychain.support.KeyringTestingHelper.RawPacket;
import org.sufficientlysecure.keychain.util.InputData;
import org.sufficientlysecure.keychain.util.Passphrase;
import org.sufficientlysecure.keychain.util.ProgressScaler;
import org.sufficientlysecure.keychain.util.TestingUtils;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.PrintStream;
import java.security.Security;
import java.util.ArrayList;
import java.util.Date;
import java.util.HashSet;
import java.util.Iterator;
import static org.hamcrest.core.AnyOf.anyOf;
import static org.hamcrest.core.Is.is;
@RunWith(KeychainTestRunner.class)
public class PgpEncryptDecryptTest {
static Passphrase mSymmetricPassphrase = TestingUtils.genPassphrase(true);
static UncachedKeyRing mStaticRing1, mStaticRing2, mStaticRingInsecure;
static Passphrase mKeyPhrase1 = TestingUtils.genPassphrase(true);
static Passphrase mKeyPhrase2 = TestingUtils.genPassphrase(true);
// static Passphrase mKeyPhraseInsecure = TestingUtils.genPassphrase(true);
static PrintStream oldShadowStream;
@BeforeClass
public static void setUpOnce() throws Exception {
Security.insertProviderAt(new BouncyCastleProvider(), 1);
oldShadowStream = ShadowLog.stream;
// ShadowLog.stream = System.out;
PgpKeyOperation op = new PgpKeyOperation(null);
{
SaveKeyringParcel parcel = new SaveKeyringParcel();
parcel.mAddSubKeys.add(new SaveKeyringParcel.SubkeyAdd(
Algorithm.ECDSA, 0, SaveKeyringParcel.Curve.NIST_P256, KeyFlags.CERTIFY_OTHER, 0L));
parcel.mAddSubKeys.add(new SaveKeyringParcel.SubkeyAdd(
Algorithm.ECDSA, 0, SaveKeyringParcel.Curve.NIST_P256, KeyFlags.SIGN_DATA, 0L));
parcel.mAddSubKeys.add(new SaveKeyringParcel.SubkeyAdd(
Algorithm.ECDH, 0, SaveKeyringParcel.Curve.NIST_P256, KeyFlags.ENCRYPT_COMMS, 0L));
parcel.mAddSubKeys.add(new SaveKeyringParcel.SubkeyAdd(
Algorithm.ECDH, 0, SaveKeyringParcel.Curve.NIST_P256, KeyFlags.ENCRYPT_COMMS, 0L));
parcel.mAddUserIds.add("bloom");
parcel.setNewUnlock(new ChangeUnlockParcel(mKeyPhrase1));
PgpEditKeyResult result = op.createSecretKeyRing(parcel);
Assert.assertTrue("initial test key creation must succeed", result.success());
Assert.assertNotNull("initial test key creation must succeed", result.getRing());
mStaticRing1 = result.getRing();
}
{
SaveKeyringParcel parcel = new SaveKeyringParcel();
parcel.mAddSubKeys.add(new SaveKeyringParcel.SubkeyAdd(
Algorithm.ECDSA, 0, SaveKeyringParcel.Curve.NIST_P256, KeyFlags.CERTIFY_OTHER, 0L));
parcel.mAddSubKeys.add(new SaveKeyringParcel.SubkeyAdd(
Algorithm.ECDSA, 0, SaveKeyringParcel.Curve.NIST_P256, KeyFlags.SIGN_DATA, 0L));
parcel.mAddSubKeys.add(new SaveKeyringParcel.SubkeyAdd(
Algorithm.ECDH, 0, SaveKeyringParcel.Curve.NIST_P256, KeyFlags.ENCRYPT_COMMS, 0L));
parcel.mAddUserIds.add("belle");
parcel.setNewUnlock(new ChangeUnlockParcel(mKeyPhrase2));
PgpEditKeyResult result = op.createSecretKeyRing(parcel);
Assert.assertTrue("initial test key creation must succeed", result.success());
Assert.assertNotNull("initial test key creation must succeed", result.getRing());
mStaticRing2 = result.getRing();
}
// {
// // insecure (1024 bit) RSA key
// SaveKeyringParcel parcel = new SaveKeyringParcel();
// parcel.mAddSubKeys.add(new SaveKeyringParcel.SubkeyAdd(
// Algorithm.RSA, 1024, null, KeyFlags.CERTIFY_OTHER, 0L));
// parcel.mAddSubKeys.add(new SaveKeyringParcel.SubkeyAdd(
// Algorithm.RSA, 1024, null, KeyFlags.SIGN_DATA, 0L));
// parcel.mAddSubKeys.add(new SaveKeyringParcel.SubkeyAdd(
// Algorithm.RSA, 1024, null, KeyFlags.ENCRYPT_COMMS, 0L));
// parcel.mAddUserIds.add("eve");
// parcel.mNewUnlock = new ChangeUnlockParcel(mKeyPhraseInsecure);
//
// PgpEditKeyResult result = op.createSecretKeyRing(parcel);
// Assert.assertTrue("initial test key creation must succeed", result.success());
// Assert.assertNotNull("initial test key creation must succeed", result.getRing());
//
// mStaticRingInsecure = result.getRing();
// }
}
@Before
public void setUp() {
KeyWritableRepository databaseInteractor =
KeyWritableRepository.createDatabaseReadWriteInteractor(RuntimeEnvironment.application);
// don't log verbosely here, we're not here to test imports
ShadowLog.stream = oldShadowStream;
databaseInteractor.saveSecretKeyRing(mStaticRing1, new ProgressScaler());
databaseInteractor.saveSecretKeyRing(mStaticRing2, new ProgressScaler());
// ok NOW log verbosely!
ShadowLog.stream = System.out;
}
@Test
public void testSymmetricEncryptDecrypt() {
String plaintext = "dies ist ein plaintext ☭" + TestingUtils.genPassphrase(true);
byte[] ciphertext;
{ // encrypt data with a given passphrase
ByteArrayOutputStream out = new ByteArrayOutputStream();
ByteArrayInputStream in = new ByteArrayInputStream(plaintext.getBytes());
PgpSignEncryptOperation op = new PgpSignEncryptOperation(RuntimeEnvironment.application,
KeyWritableRepository.createDatabaseReadWriteInteractor(RuntimeEnvironment.application), null);
InputData data = new InputData(in, in.available());
PgpSignEncryptData pgpData = new PgpSignEncryptData();
pgpData.setSymmetricPassphrase(mSymmetricPassphrase);
pgpData.setSymmetricEncryptionAlgorithm(
PgpSecurityConstants.OpenKeychainSymmetricKeyAlgorithmTags.AES_128);
PgpSignEncryptInputParcel b = new PgpSignEncryptInputParcel(pgpData);
PgpSignEncryptResult result = op.execute(b, new CryptoInputParcel(new Date()),
data, out);
Assert.assertTrue("encryption must succeed", result.success());
ciphertext = out.toByteArray();
}
{ // decryption with same passphrase should yield the same plaintext
ByteArrayOutputStream out = new ByteArrayOutputStream();
ByteArrayInputStream in = new ByteArrayInputStream(ciphertext);
InputData data = new InputData(in, in.available());
PgpDecryptVerifyOperation op = new PgpDecryptVerifyOperation(RuntimeEnvironment.application,
KeyWritableRepository.createDatabaseReadWriteInteractor(RuntimeEnvironment.application), null);
PgpDecryptVerifyInputParcel input = new PgpDecryptVerifyInputParcel();
input.setAllowSymmetricDecryption(true);
DecryptVerifyResult result = op.execute(
input, new CryptoInputParcel(mSymmetricPassphrase), data, out);
Assert.assertTrue("decryption must succeed", result.success());
Assert.assertArrayEquals("decrypted ciphertext should equal plaintext",
out.toByteArray(), plaintext.getBytes());
Assert.assertEquals("decryptionResult should be RESULT_ENCRYPTED",
OpenPgpDecryptionResult.RESULT_ENCRYPTED, result.getDecryptionResult().getResult());
Assert.assertEquals("signatureResult should be RESULT_NO_SIGNATURE",
OpenPgpSignatureResult.RESULT_NO_SIGNATURE, result.getSignatureResult().getResult());
CryptoInputParcel cryptoInput = result.getCachedCryptoInputParcel();
Assert.assertEquals("cached session keys must be empty",
0, cryptoInput.getCryptoData().size());
OpenPgpMetadata metadata = result.getDecryptionMetadata();
Assert.assertEquals("filesize must be correct",
out.toByteArray().length, metadata.getOriginalSize());
}
{ // decryption with a bad passphrase should fail
ByteArrayOutputStream out = new ByteArrayOutputStream();
ByteArrayInputStream in = new ByteArrayInputStream(ciphertext);
InputData data = new InputData(in, in.available());
PgpDecryptVerifyOperation op = new PgpDecryptVerifyOperation(RuntimeEnvironment.application,
KeyWritableRepository.createDatabaseReadWriteInteractor(RuntimeEnvironment.application), null);
PgpDecryptVerifyInputParcel input = new PgpDecryptVerifyInputParcel();
input.setAllowSymmetricDecryption(true);
DecryptVerifyResult result = op.execute(input,
new CryptoInputParcel(new Passphrase(new String(mSymmetricPassphrase.getCharArray()) + "x")),
data, out);
Assert.assertFalse("decryption must fail", result.success());
Assert.assertEquals("decrypted plaintext should be empty", 0, out.size());
Assert.assertNull("decryptionResult should be null",
result.getDecryptionResult());
Assert.assertNull("signatureResult should be null",
result.getSignatureResult());
}
{ // decryption with an unset passphrase should fail
ByteArrayOutputStream out = new ByteArrayOutputStream();
ByteArrayInputStream in = new ByteArrayInputStream(ciphertext);
InputData data = new InputData(in, in.available());
PgpDecryptVerifyOperation op = new PgpDecryptVerifyOperation(RuntimeEnvironment.application,
KeyWritableRepository.createDatabaseReadWriteInteractor(RuntimeEnvironment.application), null);
PgpDecryptVerifyInputParcel input = new PgpDecryptVerifyInputParcel();
input.setAllowSymmetricDecryption(true);
DecryptVerifyResult result = op.execute(input,
new CryptoInputParcel(), data, out);
Assert.assertFalse("decryption must fail", result.success());
Assert.assertEquals("decrypted plaintext should be empty", 0, out.size());
Assert.assertNull("decryptionResult should be null",
result.getDecryptionResult());
Assert.assertNull("signatureResult should be null",
result.getSignatureResult());
}
{ // decryption if symmetric decryption isn't allowed should fail
ByteArrayOutputStream out = new ByteArrayOutputStream();
ByteArrayInputStream in = new ByteArrayInputStream(ciphertext);
InputData data = new InputData(in, in.available());
PgpDecryptVerifyOperation op = new PgpDecryptVerifyOperation(RuntimeEnvironment.application,
KeyWritableRepository.createDatabaseReadWriteInteractor(RuntimeEnvironment.application), null);
PgpDecryptVerifyInputParcel input = new PgpDecryptVerifyInputParcel();
input.setAllowSymmetricDecryption(false);
DecryptVerifyResult result = op.execute(input,
new CryptoInputParcel(), data, out);
Assert.assertFalse("decryption must fail", result.success());
Assert.assertEquals("decrypted plaintext should be empty", 0, out.size());
Assert.assertNull("decryptionResult should be null",
result.getDecryptionResult());
Assert.assertNull("signatureResult should be null",
result.getSignatureResult());
}
}
@Test
public void testAsymmetricSignLiteral() {
String plaintext = "dies ist ein plaintext ☭" + TestingUtils.genPassphrase(true);
byte[] ciphertext;
{ // encrypt data with key
ByteArrayOutputStream out = new ByteArrayOutputStream();
ByteArrayInputStream in = new ByteArrayInputStream(plaintext.getBytes());
PgpSignEncryptOperation op = new PgpSignEncryptOperation(RuntimeEnvironment.application,
KeyWritableRepository.createDatabaseReadWriteInteractor(RuntimeEnvironment.application), null);
InputData data = new InputData(in, in.available());
PgpSignEncryptData pgpData = new PgpSignEncryptData();
// only sign, and not as cleartext
pgpData.setSignatureMasterKeyId(mStaticRing1.getMasterKeyId());
pgpData.setSignatureSubKeyId(KeyringTestingHelper.getSubkeyId(mStaticRing1, 1));
pgpData.setCleartextSignature(false);
pgpData.setDetachedSignature(false);
PgpSignEncryptInputParcel input = new PgpSignEncryptInputParcel(pgpData);
PgpSignEncryptResult result = op.execute(input, new CryptoInputParcel(mKeyPhrase1), data, out);
Assert.assertTrue("signing must succeed", result.success());
ciphertext = out.toByteArray();
}
{ // verification should succeed
ByteArrayOutputStream out = new ByteArrayOutputStream();
ByteArrayInputStream in = new ByteArrayInputStream(ciphertext);
InputData data = new InputData(in, in.available());
PgpDecryptVerifyOperation op = operationWithFakePassphraseCache(null, null, null);
PgpDecryptVerifyInputParcel input = new PgpDecryptVerifyInputParcel();
DecryptVerifyResult result = op.execute(input, new CryptoInputParcel(), data, out);
Assert.assertTrue("verification must succeed", result.success());
Assert.assertArrayEquals("verification text should equal plaintext",
out.toByteArray(), plaintext.getBytes());
Assert.assertEquals("decryptionResult should be RESULT_NOT_ENCRYPTED",
OpenPgpDecryptionResult.RESULT_NOT_ENCRYPTED, result.getDecryptionResult().getResult());
Assert.assertEquals("signatureResult should be RESULT_VALID_CONFIRMED",
OpenPgpSignatureResult.RESULT_VALID_KEY_CONFIRMED, result.getSignatureResult().getResult());
OpenPgpMetadata metadata = result.getDecryptionMetadata();
Assert.assertEquals("filesize must be correct",
out.toByteArray().length, metadata.getOriginalSize());
}
}
@Test
public void testAsymmetricSignCleartext() {
String plaintext = "dies ist ein\r\nplaintext\n ☭" + TestingUtils.genPassphrase(true);
byte[] ciphertext;
{ // encrypt data with key
ByteArrayOutputStream out = new ByteArrayOutputStream();
ByteArrayInputStream in = new ByteArrayInputStream(plaintext.getBytes());
PgpSignEncryptOperation op = new PgpSignEncryptOperation(RuntimeEnvironment.application,
KeyWritableRepository.createDatabaseReadWriteInteractor(RuntimeEnvironment.application), null);
InputData data = new InputData(in, in.available());
PgpSignEncryptData pgpData = new PgpSignEncryptData();
// only sign, as cleartext
pgpData.setSignatureMasterKeyId(mStaticRing1.getMasterKeyId());
pgpData.setSignatureSubKeyId(KeyringTestingHelper.getSubkeyId(mStaticRing1, 1));
pgpData.setCleartextSignature(true);
pgpData.setEnableAsciiArmorOutput(true);
pgpData.setDetachedSignature(false);
PgpSignEncryptInputParcel input = new PgpSignEncryptInputParcel(pgpData);
PgpSignEncryptResult result = op.execute(input, new CryptoInputParcel(mKeyPhrase1), data, out);
Assert.assertTrue("signing must succeed", result.success());
ciphertext = out.toByteArray();
}
Assert.assertTrue("clearsigned text must contain plaintext (ignoring newlines)",
new String(ciphertext).replace("\r\n", "").contains(plaintext.replace("\r", "").replace("\n", "")));
{ // verification should succeed
ByteArrayOutputStream out = new ByteArrayOutputStream();
ByteArrayInputStream in = new ByteArrayInputStream(ciphertext);
InputData data = new InputData(in, in.available());
PgpDecryptVerifyOperation op = operationWithFakePassphraseCache(null, null, null);
PgpDecryptVerifyInputParcel input = new PgpDecryptVerifyInputParcel();
DecryptVerifyResult result = op.execute(input, new CryptoInputParcel(), data, out);
Assert.assertTrue("verification must succeed", result.success());
Assert.assertTrue("verification text should equal plaintext (ignoring newlines)",
new String(out.toByteArray()).replace(StringUtils.LINE_SEP, "")
.equals(plaintext.replace("\r", "").replace("\n", "")));
Assert.assertEquals("decryptionResult should be RESULT_NOT_ENCRYPTED",
OpenPgpDecryptionResult.RESULT_NOT_ENCRYPTED, result.getDecryptionResult().getResult());
Assert.assertEquals("signatureResult should be RESULT_VALID_CONFIRMED",
OpenPgpSignatureResult.RESULT_VALID_KEY_CONFIRMED, result.getSignatureResult().getResult());
OpenPgpMetadata metadata = result.getDecryptionMetadata();
Assert.assertEquals("filesize must be correct",
out.toByteArray().length, metadata.getOriginalSize());
}
}
@Test
public void testAsymmetricSignDetached() {
String plaintext = "dies ist ein plaintext ☭" + TestingUtils.genPassphrase(true);
byte[] detachedSignature;
{ // encrypt data with key
ByteArrayOutputStream out = new ByteArrayOutputStream();
ByteArrayInputStream in = new ByteArrayInputStream(plaintext.getBytes());
PgpSignEncryptOperation op = new PgpSignEncryptOperation(RuntimeEnvironment.application,
KeyWritableRepository.createDatabaseReadWriteInteractor(RuntimeEnvironment.application), null);
InputData data = new InputData(in, in.available());
PgpSignEncryptData pgpData = new PgpSignEncryptData();
// only sign, as cleartext
pgpData.setSignatureMasterKeyId(mStaticRing1.getMasterKeyId());
pgpData.setSignatureSubKeyId(KeyringTestingHelper.getSubkeyId(mStaticRing1, 1));
pgpData.setDetachedSignature(true);
PgpSignEncryptInputParcel input = new PgpSignEncryptInputParcel(pgpData);
PgpSignEncryptResult result = op.execute(input, new CryptoInputParcel(mKeyPhrase1), data, out);
Assert.assertTrue("signing must succeed", result.success());
detachedSignature = result.getDetachedSignature();
}
{ // verification should succeed
ByteArrayOutputStream out = new ByteArrayOutputStream();
ByteArrayInputStream in = new ByteArrayInputStream(plaintext.getBytes());
InputData data = new InputData(in, in.available());
PgpDecryptVerifyOperation op = operationWithFakePassphraseCache(null, null, null);
PgpDecryptVerifyInputParcel input = new PgpDecryptVerifyInputParcel();
input.setDetachedSignature(detachedSignature);
DecryptVerifyResult result = op.execute(input, new CryptoInputParcel(), data, out);
Assert.assertTrue("verification must succeed", result.success());
Assert.assertArrayEquals("verification text should equal plaintext (save for a newline)",
plaintext.getBytes(), out.toByteArray());
Assert.assertEquals("decryptionResult should be RESULT_NOT_ENCRYPTED",
OpenPgpDecryptionResult.RESULT_NOT_ENCRYPTED, result.getDecryptionResult().getResult());
Assert.assertEquals("signatureResult should be RESULT_VALID_CONFIRMED",
OpenPgpSignatureResult.RESULT_VALID_KEY_CONFIRMED, result.getSignatureResult().getResult());
// TODO should detached verify return any metadata?
// OpenPgpMetadata metadata = result.getDecryptionMetadata();
// Assert.assertEquals("filesize must be correct",
// out.toByteArray().length, metadata.getOriginalSize());
}
}
@Test
public void testAsymmetricEncryptDecrypt() {
String plaintext = "dies ist ein plaintext ☭" + TestingUtils.genPassphrase(true);
byte[] ciphertext;
{ // encrypt data with key
ByteArrayOutputStream out = new ByteArrayOutputStream();
ByteArrayInputStream in = new ByteArrayInputStream(plaintext.getBytes());
PgpSignEncryptOperation op = new PgpSignEncryptOperation(RuntimeEnvironment.application,
KeyWritableRepository.createDatabaseReadWriteInteractor(RuntimeEnvironment.application), null);
InputData data = new InputData(in, in.available());
PgpSignEncryptData pgpData = new PgpSignEncryptData();
pgpData.setEncryptionMasterKeyIds(new long[] { mStaticRing1.getMasterKeyId() });
pgpData.setSymmetricEncryptionAlgorithm(
PgpSecurityConstants.OpenKeychainSymmetricKeyAlgorithmTags.AES_128);
PgpSignEncryptInputParcel input = new PgpSignEncryptInputParcel(pgpData);
PgpSignEncryptResult result = op.execute(input, new CryptoInputParcel(new Date()),
data, out);
Assert.assertTrue("encryption must succeed", result.success());
ciphertext = out.toByteArray();
}
{ // decryption with provided passphrase should yield the same result
ByteArrayOutputStream out = new ByteArrayOutputStream();
ByteArrayInputStream in = new ByteArrayInputStream(ciphertext);
InputData data = new InputData(in, in.available());
PgpDecryptVerifyOperation op = operationWithFakePassphraseCache(null, null, null);
PgpDecryptVerifyInputParcel input = new PgpDecryptVerifyInputParcel();
DecryptVerifyResult result = op.execute(input, new CryptoInputParcel(mKeyPhrase1), data, out);
Assert.assertTrue("decryption with provided passphrase must succeed", result.success());
Assert.assertArrayEquals("decrypted ciphertext with provided passphrase should equal plaintext",
out.toByteArray(), plaintext.getBytes());
Assert.assertEquals("decryptionResult should be RESULT_ENCRYPTED",
OpenPgpDecryptionResult.RESULT_ENCRYPTED, result.getDecryptionResult().getResult());
Assert.assertEquals("signatureResult should be RESULT_NO_SIGNATURE",
OpenPgpSignatureResult.RESULT_NO_SIGNATURE, result.getSignatureResult().getResult());
CryptoInputParcel cryptoInput = result.getCachedCryptoInputParcel();
Assert.assertEquals("must have one cached session key",
1, cryptoInput.getCryptoData().size());
OpenPgpMetadata metadata = result.getDecryptionMetadata();
Assert.assertEquals("filesize must be correct",
out.toByteArray().length, metadata.getOriginalSize());
}
{ // decryption with passphrase cached should succeed
ByteArrayOutputStream out = new ByteArrayOutputStream();
ByteArrayInputStream in = new ByteArrayInputStream(ciphertext);
InputData data = new InputData(in, in.available());
PgpDecryptVerifyOperation op = operationWithFakePassphraseCache(
mKeyPhrase1, mStaticRing1.getMasterKeyId(), null);
PgpDecryptVerifyInputParcel input = new PgpDecryptVerifyInputParcel();
DecryptVerifyResult result = op.execute(input, new CryptoInputParcel(), data, out);
CryptoInputParcel cryptoInput = result.getCachedCryptoInputParcel();
Assert.assertEquals("must have one cached session key",
1, cryptoInput.getCryptoData().size());
Assert.assertTrue("decryption with cached passphrase must succeed", result.success());
Assert.assertArrayEquals("decrypted ciphertext with cached passphrase should equal plaintext",
out.toByteArray(), plaintext.getBytes());
Assert.assertEquals("decryptionResult should be RESULT_ENCRYPTED",
OpenPgpDecryptionResult.RESULT_ENCRYPTED, result.getDecryptionResult().getResult());
Assert.assertEquals("signatureResult should be RESULT_NO_SIGNATURE",
OpenPgpSignatureResult.RESULT_NO_SIGNATURE, result.getSignatureResult().getResult());
}
{ // decryption with no passphrase provided should return status pending
ByteArrayOutputStream out = new ByteArrayOutputStream();
ByteArrayInputStream in = new ByteArrayInputStream(ciphertext);
InputData data = new InputData(in, in.available());
PgpDecryptVerifyOperation op = operationWithFakePassphraseCache(
null, mStaticRing1.getMasterKeyId(), null);
PgpDecryptVerifyInputParcel input = new PgpDecryptVerifyInputParcel();
DecryptVerifyResult result = op.execute(input, new CryptoInputParcel(), data, out);
Assert.assertFalse("decryption with no passphrase must return pending", result.success());
Assert.assertTrue("decryption with no passphrase should return pending", result.isPending());
Assert.assertEquals("decryption with no passphrase should return pending passphrase",
RequiredInputType.PASSPHRASE, result.getRequiredInputParcel().mType);
}
}
@Test
public void testMultiSubkeyEncryptSkipStripOrBadFlag() throws Exception {
String plaintext = "dies ist ein plaintext ☭" + TestingUtils.genPassphrase(true);
byte[] ciphertext;
long encKeyId1;
{ // encrypt data with key
ByteArrayOutputStream out = new ByteArrayOutputStream();
ByteArrayInputStream in = new ByteArrayInputStream(plaintext.getBytes());
PgpSignEncryptOperation op = new PgpSignEncryptOperation(RuntimeEnvironment.application,
KeyWritableRepository.createDatabaseReadWriteInteractor(RuntimeEnvironment.application), null);
InputData data = new InputData(in, in.available());
PgpSignEncryptData pgpData = new PgpSignEncryptData();
pgpData.setEncryptionMasterKeyIds(new long[] { mStaticRing1.getMasterKeyId() });
pgpData.setSymmetricEncryptionAlgorithm(
PgpSecurityConstants.OpenKeychainSymmetricKeyAlgorithmTags.AES_128);
PgpSignEncryptInputParcel input = new PgpSignEncryptInputParcel(pgpData);
PgpSignEncryptResult result = op.execute(input, new CryptoInputParcel(new Date()),
data, out);
Assert.assertTrue("encryption must succeed", result.success());
ciphertext = out.toByteArray();
Iterator<RawPacket> packets = KeyringTestingHelper.parseKeyring(ciphertext);
RawPacket enc1 = packets.next(), enc2 = packets.next();
Assert.assertEquals("last packet must be encrypted data packet",
PacketTags.SYM_ENC_INTEGRITY_PRO, packets.next().tag);
Assert.assertFalse("no further packets", packets.hasNext());
Packet p;
p = new BCPGInputStream(new ByteArrayInputStream(enc1.buf)).readPacket();
Assert.assertTrue("first packet must be session packet", p instanceof PublicKeyEncSessionPacket);
encKeyId1 = ((PublicKeyEncSessionPacket) p).getKeyID();
p = new BCPGInputStream(new ByteArrayInputStream(enc2.buf)).readPacket();
Assert.assertTrue("second packet must be session packet", p instanceof PublicKeyEncSessionPacket);
long encKeyId2 = ((PublicKeyEncSessionPacket) p).getKeyID();
Assert.assertNotEquals("encrypted-to subkey ids must not be equal",
encKeyId1, encKeyId2);
Assert.assertThat("first packet must be encrypted to one of the subkeys",
KeyringTestingHelper.getSubkeyId(mStaticRing1, 2), anyOf(is(encKeyId1), is(encKeyId2)));
Assert.assertThat("second packet must be encrypted to one of the subkeys",
KeyringTestingHelper.getSubkeyId(mStaticRing1, 3), anyOf(is(encKeyId1), is(encKeyId2)));
}
{ // strip first encrypted subkey, decryption should skip it
SaveKeyringParcel parcel =
new SaveKeyringParcel(mStaticRing1.getMasterKeyId(), mStaticRing1.getFingerprint());
parcel.mChangeSubKeys.add(new SubkeyChange(encKeyId1, true, false));
UncachedKeyRing modified = PgpKeyOperationTest.applyModificationWithChecks(parcel, mStaticRing1,
new ArrayList<RawPacket>(), new ArrayList<RawPacket>(),
new CryptoInputParcel(new Date(), mKeyPhrase1));
KeyWritableRepository databaseInteractor =
KeyWritableRepository.createDatabaseReadWriteInteractor(RuntimeEnvironment.application);
databaseInteractor.saveSecretKeyRing(modified, new ProgressScaler());
PgpDecryptVerifyOperation op = new PgpDecryptVerifyOperation(RuntimeEnvironment.application,
KeyWritableRepository.createDatabaseReadWriteInteractor(RuntimeEnvironment.application), null);
PgpDecryptVerifyInputParcel input = new PgpDecryptVerifyInputParcel(ciphertext);
DecryptVerifyResult result = op.execute(input, new CryptoInputParcel(mKeyPhrase1));
Assert.assertTrue("decryption must succeed", result.success());
Assert.assertTrue("decryption must have skipped first key",
result.getLog().containsType(LogType.MSG_DC_ASKIP_UNAVAILABLE));
}
{ // change flags of second encrypted subkey, decryption should skip it
SaveKeyringParcel parcel =
new SaveKeyringParcel(mStaticRing1.getMasterKeyId(), mStaticRing1.getFingerprint());
parcel.mChangeSubKeys.add(new SubkeyChange(encKeyId1, KeyFlags.CERTIFY_OTHER, null));
UncachedKeyRing modified = PgpKeyOperationTest.applyModificationWithChecks(parcel, mStaticRing1,
new ArrayList<RawPacket>(), new ArrayList<RawPacket>(),
new CryptoInputParcel(new Date(), mKeyPhrase1));
KeyWritableRepository databaseInteractor =
KeyWritableRepository.createDatabaseReadWriteInteractor(RuntimeEnvironment.application);
databaseInteractor.saveSecretKeyRing(modified, new ProgressScaler());
PgpDecryptVerifyOperation op = new PgpDecryptVerifyOperation(RuntimeEnvironment.application,
KeyWritableRepository.createDatabaseReadWriteInteractor(RuntimeEnvironment.application), null);
PgpDecryptVerifyInputParcel input = new PgpDecryptVerifyInputParcel(ciphertext);
DecryptVerifyResult result = op.execute(input, new CryptoInputParcel(mKeyPhrase1));
Assert.assertTrue("decryption must succeed", result.success());
Assert.assertTrue("decryption must have skipped first key",
result.getLog().containsType(LogType.MSG_DC_ASKIP_BAD_FLAGS));
}
}
@Test
public void testMultiSubkeyEncryptSkipRevoked() throws Exception {
String plaintext = "dies ist ein plaintext ☭" + TestingUtils.genPassphrase(true);
{ // revoke first encryption subkey of keyring in database
SaveKeyringParcel parcel = new SaveKeyringParcel(mStaticRing1.getMasterKeyId(), mStaticRing1.getFingerprint());
parcel.mRevokeSubKeys.add(KeyringTestingHelper.getSubkeyId(mStaticRing1, 2));
UncachedKeyRing modified = PgpKeyOperationTest.applyModificationWithChecks(parcel, mStaticRing1,
new ArrayList<RawPacket>(), new ArrayList<RawPacket>(),
new CryptoInputParcel(new Date(), mKeyPhrase1));
KeyWritableRepository databaseInteractor =
KeyWritableRepository.createDatabaseReadWriteInteractor(RuntimeEnvironment.application);
databaseInteractor.saveSecretKeyRing(modified, new ProgressScaler());
}
{ // encrypt to this keyring, make sure it's not encrypted to the revoked subkey
ByteArrayOutputStream out = new ByteArrayOutputStream();
ByteArrayInputStream in = new ByteArrayInputStream(plaintext.getBytes());
PgpSignEncryptOperation op = new PgpSignEncryptOperation(RuntimeEnvironment.application,
KeyWritableRepository.createDatabaseReadWriteInteractor(RuntimeEnvironment.application), null);
InputData data = new InputData(in, in.available());
PgpSignEncryptData pgpData = new PgpSignEncryptData();
pgpData.setEncryptionMasterKeyIds(new long[] { mStaticRing1.getMasterKeyId() });
pgpData.setSymmetricEncryptionAlgorithm(
PgpSecurityConstants.OpenKeychainSymmetricKeyAlgorithmTags.AES_128);
PgpSignEncryptInputParcel input = new PgpSignEncryptInputParcel(pgpData);
PgpSignEncryptResult result = op.execute(input, new CryptoInputParcel(new Date()),
data, out);
Assert.assertTrue("encryption must succeed", result.success());
byte[] ciphertext = out.toByteArray();
Iterator<RawPacket> packets = KeyringTestingHelper.parseKeyring(ciphertext);
RawPacket enc1 = packets.next();
Assert.assertEquals("last packet must be encrypted data packet",
PacketTags.SYM_ENC_INTEGRITY_PRO, packets.next().tag);
Assert.assertFalse("no further packets", packets.hasNext());
Packet p;
p = new BCPGInputStream(new ByteArrayInputStream(enc1.buf)).readPacket();
Assert.assertTrue("first packet must be session packet", p instanceof PublicKeyEncSessionPacket);
Assert.assertEquals("first packet must be encrypted to second enc subkey",
KeyringTestingHelper.getSubkeyId(mStaticRing1, 3), ((PublicKeyEncSessionPacket) p).getKeyID());
}
}
@Test
public void testMultiAsymmetricEncryptDecrypt() {
String plaintext = "dies ist ein plaintext ☭" + TestingUtils.genPassphrase(true);
byte[] ciphertext;
{ // encrypt data with a given passphrase
ByteArrayOutputStream out = new ByteArrayOutputStream();
ByteArrayInputStream in = new ByteArrayInputStream(plaintext.getBytes());
PgpSignEncryptOperation op = new PgpSignEncryptOperation(RuntimeEnvironment.application,
KeyWritableRepository.createDatabaseReadWriteInteractor(RuntimeEnvironment.application), null);
InputData data = new InputData(in, in.available());
PgpSignEncryptData pgpData = new PgpSignEncryptData();
pgpData.setEncryptionMasterKeyIds(new long[] {
mStaticRing1.getMasterKeyId(),
mStaticRing2.getMasterKeyId()
});
pgpData.setSymmetricEncryptionAlgorithm(
PgpSecurityConstants.OpenKeychainSymmetricKeyAlgorithmTags.AES_128);
PgpSignEncryptInputParcel b = new PgpSignEncryptInputParcel(pgpData);
PgpSignEncryptResult result = op.execute(b, new CryptoInputParcel(new Date()),
data, out);
Assert.assertTrue("encryption must succeed", result.success());
ciphertext = out.toByteArray();
}
{ // decryption with passphrase cached should succeed for the first key
ByteArrayOutputStream out = new ByteArrayOutputStream();
ByteArrayInputStream in = new ByteArrayInputStream(ciphertext);
InputData data = new InputData(in, in.available());
PgpDecryptVerifyOperation op = operationWithFakePassphraseCache(
mKeyPhrase1, mStaticRing1.getMasterKeyId(), null);
PgpDecryptVerifyInputParcel input = new PgpDecryptVerifyInputParcel();
DecryptVerifyResult result = op.execute(input, new CryptoInputParcel(), data, out);
Assert.assertTrue("decryption with cached passphrase must succeed for the first key", result.success());
Assert.assertArrayEquals("decrypted ciphertext with cached passphrase should equal plaintext",
out.toByteArray(), plaintext.getBytes());
Assert.assertEquals("decryptionResult should be RESULT_ENCRYPTED",
OpenPgpDecryptionResult.RESULT_ENCRYPTED, result.getDecryptionResult().getResult());
Assert.assertEquals("signatureResult should be RESULT_NO_SIGNATURE",
OpenPgpSignatureResult.RESULT_NO_SIGNATURE, result.getSignatureResult().getResult());
OpenPgpMetadata metadata = result.getDecryptionMetadata();
Assert.assertEquals("filesize must be correct",
out.toByteArray().length, metadata.getOriginalSize());
}
{ // decryption should succeed if key is allowed
ByteArrayOutputStream out = new ByteArrayOutputStream();
ByteArrayInputStream in = new ByteArrayInputStream(ciphertext);
InputData data = new InputData(in, in.available());
// allow only the second to decrypt
HashSet<Long> allowed = new HashSet<>();
allowed.add(mStaticRing2.getMasterKeyId());
// provide passphrase for the second, and check that the first is never asked for!
PgpDecryptVerifyOperation op = operationWithFakePassphraseCache(
mKeyPhrase2, mStaticRing2.getMasterKeyId(), null);
PgpDecryptVerifyInputParcel input = new PgpDecryptVerifyInputParcel();
input.setAllowedKeyIds(allowed);
DecryptVerifyResult result = op.execute(input, new CryptoInputParcel(), data, out);
Assert.assertTrue("decryption with cached passphrase must succeed for allowed key", result.success());
Assert.assertArrayEquals("decrypted ciphertext with cached passphrase should equal plaintext",
out.toByteArray(), plaintext.getBytes());
Assert.assertTrue("other key was skipped", result.getLog().containsType(LogType.MSG_DC_ASKIP_NOT_ALLOWED));
Assert.assertEquals("decryptionResult should be RESULT_ENCRYPTED",
OpenPgpDecryptionResult.RESULT_ENCRYPTED, result.getDecryptionResult().getResult());
Assert.assertEquals("signatureResult should be RESULT_NO_SIGNATURE",
OpenPgpSignatureResult.RESULT_NO_SIGNATURE, result.getSignatureResult().getResult());
}
{ // decryption should fail if no key is allowed
ByteArrayOutputStream out = new ByteArrayOutputStream();
ByteArrayInputStream in = new ByteArrayInputStream(ciphertext);
InputData data = new InputData(in, in.available());
// provide passphrase for the second, and check that the first is never asked for!
PgpDecryptVerifyOperation op = operationWithFakePassphraseCache(
mKeyPhrase2, mStaticRing2.getMasterKeyId(), null);
PgpDecryptVerifyInputParcel input = new PgpDecryptVerifyInputParcel();
input.setAllowedKeyIds(new HashSet<Long>());
DecryptVerifyResult result = op.execute(input, new CryptoInputParcel(), data, out);
Assert.assertFalse("decryption must fail if no key allowed", result.success());
Assert.assertEquals("decryption must fail with key disllowed status",
DecryptVerifyResult.RESULT_KEY_DISALLOWED, result.getResult());
}
{ // decryption with passphrase cached should succeed for the other key if first is gone
// delete first key from database
KeyWritableRepository.createDatabaseReadWriteInteractor(RuntimeEnvironment.application).getContentResolver().delete(
KeyRingData.buildPublicKeyRingUri(mStaticRing1.getMasterKeyId()), null, null
);
ByteArrayOutputStream out = new ByteArrayOutputStream();
ByteArrayInputStream in = new ByteArrayInputStream(ciphertext);
InputData data = new InputData(in, in.available());
PgpDecryptVerifyOperation op = operationWithFakePassphraseCache(
mKeyPhrase2, mStaticRing2.getMasterKeyId(), null);
PgpDecryptVerifyInputParcel input = new PgpDecryptVerifyInputParcel();
DecryptVerifyResult result = op.execute(input, new CryptoInputParcel(), data, out);
Assert.assertTrue("decryption with cached passphrase must succeed", result.success());
Assert.assertArrayEquals("decrypted ciphertext with cached passphrase should equal plaintext",
out.toByteArray(), plaintext.getBytes());
Assert.assertEquals("decryptionResult should be RESULT_ENCRYPTED",
OpenPgpDecryptionResult.RESULT_ENCRYPTED, result.getDecryptionResult().getResult());
Assert.assertEquals("signatureResult should be RESULT_NO_SIGNATURE",
OpenPgpSignatureResult.RESULT_NO_SIGNATURE, result.getSignatureResult().getResult());
}
}
@Test
public void testMultiAsymmetricSignEncryptDecryptVerify() {
String plaintext = "dies ist ein plaintext ☭" + TestingUtils.genPassphrase(true);
byte[] ciphertext;
{ // encrypt data with a given passphrase
ByteArrayOutputStream out = new ByteArrayOutputStream();
ByteArrayInputStream in = new ByteArrayInputStream(plaintext.getBytes());
PgpSignEncryptOperation op = new PgpSignEncryptOperation(RuntimeEnvironment.application,
KeyWritableRepository.createDatabaseReadWriteInteractor(RuntimeEnvironment.application), null);
InputData data = new InputData(in, in.available());
PgpSignEncryptData pgpData = new PgpSignEncryptData();
pgpData.setEncryptionMasterKeyIds(new long[] {
mStaticRing1.getMasterKeyId(),
mStaticRing2.getMasterKeyId()
});
pgpData.setSignatureMasterKeyId(mStaticRing1.getMasterKeyId());
pgpData.setSignatureSubKeyId(KeyringTestingHelper.getSubkeyId(mStaticRing1, 1));
pgpData.setSymmetricEncryptionAlgorithm(
PgpSecurityConstants.OpenKeychainSymmetricKeyAlgorithmTags.AES_128);
PgpSignEncryptInputParcel b = new PgpSignEncryptInputParcel(pgpData);
PgpSignEncryptResult result = op.execute(b,
new CryptoInputParcel(new Date(), mKeyPhrase1), data, out);
Assert.assertTrue("encryption must succeed", result.success());
ciphertext = out.toByteArray();
}
{ // decryption with passphrase cached should succeed for the first key
ByteArrayOutputStream out = new ByteArrayOutputStream();
ByteArrayInputStream in = new ByteArrayInputStream(ciphertext);
InputData data = new InputData(in, in.available());
PgpDecryptVerifyOperation op = operationWithFakePassphraseCache(
mKeyPhrase1, mStaticRing1.getMasterKeyId(), null);
PgpDecryptVerifyInputParcel input = new PgpDecryptVerifyInputParcel();
DecryptVerifyResult result = op.execute(input, new CryptoInputParcel(), data, out);
Assert.assertTrue("decryption with cached passphrase must succeed for the first key", result.success());
Assert.assertArrayEquals("decrypted ciphertext with cached passphrase should equal plaintext",
out.toByteArray(), plaintext.getBytes());
Assert.assertEquals("signature should be verified and certified",
OpenPgpSignatureResult.RESULT_VALID_KEY_CONFIRMED, result.getSignatureResult().getResult());
OpenPgpMetadata metadata = result.getDecryptionMetadata();
Assert.assertEquals("filesize must be correct",
out.toByteArray().length, metadata.getOriginalSize());
}
{ // decryption with passphrase cached should succeed for the other key if first is gone
// delete first key from database
KeyWritableRepository.createDatabaseReadWriteInteractor(RuntimeEnvironment.application).getContentResolver().delete(
KeyRingData.buildPublicKeyRingUri(mStaticRing1.getMasterKeyId()), null, null
);
ByteArrayOutputStream out = new ByteArrayOutputStream();
ByteArrayInputStream in = new ByteArrayInputStream(ciphertext);
InputData data = new InputData(in, in.available());
PgpDecryptVerifyOperation op = operationWithFakePassphraseCache(
mKeyPhrase2, mStaticRing2.getMasterKeyId(), null);
PgpDecryptVerifyInputParcel input = new PgpDecryptVerifyInputParcel();
DecryptVerifyResult result = op.execute(input, new CryptoInputParcel(), data, out);
Assert.assertTrue("decryption with cached passphrase must succeed", result.success());
Assert.assertArrayEquals("decrypted ciphertext with cached passphrase should equal plaintext",
out.toByteArray(), plaintext.getBytes());
Assert.assertEquals("signature key should be missing",
OpenPgpSignatureResult.RESULT_KEY_MISSING,
result.getSignatureResult().getResult());
}
}
@Test
public void testForeignEncoding() throws Exception {
String plaintext = "ウィキペディア";
byte[] plaindata = plaintext.getBytes("iso-2022-jp");
{ // some quick sanity checks
Assert.assertEquals(plaintext, new String(plaindata, "iso-2022-jp"));
Assert.assertNotEquals(plaintext, new String(plaindata, "utf-8"));
}
byte[] ciphertext;
{ // encrypt data with a given passphrase
ByteArrayOutputStream out = new ByteArrayOutputStream();
ByteArrayInputStream in = new ByteArrayInputStream(plaindata);
PgpSignEncryptOperation op = new PgpSignEncryptOperation(RuntimeEnvironment.application,
KeyWritableRepository.createDatabaseReadWriteInteractor(RuntimeEnvironment.application), null);
InputData data = new InputData(in, in.available());
PgpSignEncryptData pgpData = new PgpSignEncryptData();
pgpData.setEncryptionMasterKeyIds(new long[] { mStaticRing1.getMasterKeyId() });
pgpData.setSymmetricEncryptionAlgorithm(
PgpSecurityConstants.OpenKeychainSymmetricKeyAlgorithmTags.AES_128);
// this only works with ascii armored output!
pgpData.setEnableAsciiArmorOutput(true);
pgpData.setCharset("iso-2022-jp");
PgpSignEncryptInputParcel b = new PgpSignEncryptInputParcel(pgpData);
PgpSignEncryptResult result = op.execute(b, new CryptoInputParcel(new Date()),
data, out);
Assert.assertTrue("encryption must succeed", result.success());
ciphertext = out.toByteArray();
}
{ // decryption with provided passphrase should yield the same result
ByteArrayOutputStream out = new ByteArrayOutputStream();
ByteArrayInputStream in = new ByteArrayInputStream(ciphertext);
InputData data = new InputData(in, in.available());
PgpDecryptVerifyOperation op = operationWithFakePassphraseCache(null, null, null);
PgpDecryptVerifyInputParcel input = new PgpDecryptVerifyInputParcel();
DecryptVerifyResult result = op.execute(input, new CryptoInputParcel(mKeyPhrase1), data, out);
Assert.assertTrue("decryption with provided passphrase must succeed", result.success());
Assert.assertArrayEquals("decrypted ciphertext should equal plaintext bytes",
out.toByteArray(), plaindata);
Assert.assertEquals("charset should be read correctly",
"iso-2022-jp", result.getDecryptionMetadata().getCharset());
Assert.assertEquals("decrypted ciphertext should equal plaintext",
new String(out.toByteArray(), result.getDecryptionMetadata().getCharset()), plaintext);
Assert.assertEquals("decryptionResult should be RESULT_ENCRYPTED",
OpenPgpDecryptionResult.RESULT_ENCRYPTED, result.getDecryptionResult().getResult());
Assert.assertEquals("signatureResult should be RESULT_NO_SIGNATURE",
OpenPgpSignatureResult.RESULT_NO_SIGNATURE, result.getSignatureResult().getResult());
}
}
@Test
public void testAsymmetricInsecureEncryptDecrypt() {
// insecure symmetric algo
subtestInsecureEncryptDecrypt(mStaticRing1, mKeyPhrase1,
PgpSecurityConstants.OpenKeychainSymmetricKeyAlgorithmTags.DES, true);
// don't use MDC
subtestInsecureEncryptDecrypt(mStaticRing1, mKeyPhrase1,
PgpSecurityConstants.OpenKeychainSymmetricKeyAlgorithmTags.AES_256, false);
// TODO: test not working!
// insecure key (1024 bit RSA)
// subtestInsecureEncryptDecrypt(mStaticRingInsecure, mKeyPhraseInsecure,
// PgpSecurityConstants.OpenKeychainSymmetricKeyAlgorithmTags.AES_256, true);
}
private void subtestInsecureEncryptDecrypt(UncachedKeyRing key, Passphrase passphrase,
int algorithm, boolean isIntegrityProtected) {
String plaintext = "dies ist ein plaintext ☭" + TestingUtils.genPassphrase(true);
byte[] ciphertext;
{ // encrypt data with insecure key
ByteArrayOutputStream out = new ByteArrayOutputStream();
ByteArrayInputStream in = new ByteArrayInputStream(plaintext.getBytes());
PgpSignEncryptOperation op = new PgpSignEncryptOperation(RuntimeEnvironment.application,
KeyWritableRepository.createDatabaseReadWriteInteractor(RuntimeEnvironment.application), null);
InputData data = new InputData(in, in.available());
PgpSignEncryptData pgpData = new PgpSignEncryptData();
pgpData.setEncryptionMasterKeyIds(new long[]{key.getMasterKeyId()})
.setSymmetricEncryptionAlgorithm(algorithm)
.setIntegrityProtected(isIntegrityProtected);
PgpSignEncryptInputParcel input = new PgpSignEncryptInputParcel(pgpData);
PgpSignEncryptResult result = op.execute(input, new CryptoInputParcel(new Date()),
data, out);
Assert.assertTrue("encryption must succeed", result.success());
ciphertext = out.toByteArray();
}
{ // decryption with provided passphrase should yield insecure status
ByteArrayOutputStream out = new ByteArrayOutputStream();
ByteArrayInputStream in = new ByteArrayInputStream(ciphertext);
InputData data = new InputData(in, in.available());
PgpDecryptVerifyOperation op = operationWithFakePassphraseCache(null, null, null);
PgpDecryptVerifyInputParcel input = new PgpDecryptVerifyInputParcel();
DecryptVerifyResult result = op.execute(input, new CryptoInputParcel(passphrase), data, out);
Assert.assertTrue("decryption with provided passphrase must succeed", result.success());
Assert.assertArrayEquals("decrypted ciphertext with provided passphrase should equal plaintext",
out.toByteArray(), plaintext.getBytes());
Assert.assertEquals("decryptionResult should be RESULT_INSECURE",
OpenPgpDecryptionResult.RESULT_INSECURE, result.getDecryptionResult().getResult());
Assert.assertEquals("signatureResult should be RESULT_NO_SIGNATURE",
OpenPgpSignatureResult.RESULT_NO_SIGNATURE, result.getSignatureResult().getResult());
CryptoInputParcel cryptoInput = result.getCachedCryptoInputParcel();
Assert.assertEquals("must have one cached session key",
1, cryptoInput.getCryptoData().size());
OpenPgpMetadata metadata = result.getDecryptionMetadata();
Assert.assertEquals("filesize must be correct",
out.toByteArray().length, metadata.getOriginalSize());
}
}
private PgpDecryptVerifyOperation operationWithFakePassphraseCache(
final Passphrase passphrase, final Long checkMasterKeyId, final Long checkSubKeyId) {
return new PgpDecryptVerifyOperation(RuntimeEnvironment.application,
KeyWritableRepository.createDatabaseReadWriteInteractor(RuntimeEnvironment.application), null) {
@Override
public Passphrase getCachedPassphrase(long masterKeyId, long subKeyId)
throws NoSecretKeyException {
if (checkMasterKeyId != null) {
Assert.assertEquals("requested passphrase should be for expected master key id",
(long) checkMasterKeyId, masterKeyId);
}
if (checkSubKeyId != null) {
Assert.assertEquals("requested passphrase should be for expected sub key id",
(long) checkSubKeyId, subKeyId);
}
if (passphrase == null) {
return null;
}
return passphrase;
}
};
}
}