open-keychain/OpenKeychain/src/test/java/org/sufficientlysecure/keychain/pgp/PgpEncryptDecryptTest.java

587 lines
28 KiB
Java

/*
* 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.junit.Assert;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.openintents.openpgp.OpenPgpMetadata;
import org.openintents.openpgp.OpenPgpSignatureResult;
import org.robolectric.*;
import org.robolectric.annotation.Config;
import org.robolectric.shadows.ShadowLog;
import org.spongycastle.bcpg.sig.KeyFlags;
import org.spongycastle.jce.provider.BouncyCastleProvider;
import org.spongycastle.openpgp.PGPEncryptedData;
import org.sufficientlysecure.keychain.BuildConfig;
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.KeychainContract.KeyRingData;
import org.sufficientlysecure.keychain.provider.ProviderHelper;
import org.sufficientlysecure.keychain.service.SaveKeyringParcel;
import org.sufficientlysecure.keychain.service.SaveKeyringParcel.Algorithm;
import org.sufficientlysecure.keychain.operations.results.DecryptVerifyResult;
import org.sufficientlysecure.keychain.service.SaveKeyringParcel.ChangeUnlockParcel;
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.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.HashSet;
@RunWith(RobolectricGradleTestRunner.class)
@Config(constants = BuildConfig.class, sdk = 21, manifest = "src/main/AndroidManifest.xml")
public class PgpEncryptDecryptTest {
static Passphrase mPassphrase = TestingUtils.genPassphrase(true);
static UncachedKeyRing mStaticRing1, mStaticRing2;
static Passphrase mKeyPhrase1 = TestingUtils.genPassphrase(true);
static Passphrase mKeyPhrase2 = 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.RSA, 1024, null, KeyFlags.CERTIFY_OTHER, 0L));
parcel.mAddSubKeys.add(new SaveKeyringParcel.SubkeyAdd(
Algorithm.DSA, 1024, null, KeyFlags.SIGN_DATA, 0L));
parcel.mAddSubKeys.add(new SaveKeyringParcel.SubkeyAdd(
Algorithm.ELGAMAL, 1024, null, KeyFlags.ENCRYPT_COMMS, 0L));
parcel.mAddUserIds.add("bloom");
parcel.mNewUnlock = 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.RSA, 1024, null, KeyFlags.CERTIFY_OTHER, 0L));
parcel.mAddSubKeys.add(new SaveKeyringParcel.SubkeyAdd(
Algorithm.DSA, 1024, null, KeyFlags.SIGN_DATA, 0L));
parcel.mAddSubKeys.add(new SaveKeyringParcel.SubkeyAdd(
Algorithm.ELGAMAL, 1024, null, KeyFlags.ENCRYPT_COMMS, 0L));
parcel.mAddUserIds.add("belle");
parcel.mNewUnlock = 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();
}
}
@Before
public void setUp() {
ProviderHelper providerHelper = new ProviderHelper(RuntimeEnvironment.application);
// don't log verbosely here, we're not here to test imports
ShadowLog.stream = oldShadowStream;
providerHelper.saveSecretKeyRing(mStaticRing1, new ProgressScaler());
providerHelper.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,
new ProviderHelper(RuntimeEnvironment.application), null);
InputData data = new InputData(in, in.available());
PgpSignEncryptInputParcel b = new PgpSignEncryptInputParcel();
b.setSymmetricPassphrase(mPassphrase);
b.setSymmetricEncryptionAlgorithm(PGPEncryptedData.AES_128);
PgpSignEncryptResult result = op.execute(b, new CryptoInputParcel(), data, out);
Assert.assertTrue("encryption must succeed", result.success());
ciphertext = out.toByteArray();
}
{ // decryption with same passphrase should yield the same result
ByteArrayOutputStream out = new ByteArrayOutputStream();
ByteArrayInputStream in = new ByteArrayInputStream(ciphertext);
InputData data = new InputData(in, in.available());
PgpDecryptVerify op = new PgpDecryptVerify(RuntimeEnvironment.application,
new ProviderHelper(RuntimeEnvironment.application), null);
PgpDecryptVerifyInputParcel input = new PgpDecryptVerifyInputParcel();
input.setAllowSymmetricDecryption(true);
DecryptVerifyResult result = op.execute(
input, new CryptoInputParcel(mPassphrase), data, out);
Assert.assertTrue("decryption must succeed", result.success());
Assert.assertArrayEquals("decrypted ciphertext should equal plaintext",
out.toByteArray(), plaintext.getBytes());
Assert.assertNull("signature should be an error", result.getSignatureResult());
OpenPgpMetadata metadata = result.getDecryptMetadata();
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());
PgpDecryptVerify op = new PgpDecryptVerify(RuntimeEnvironment.application,
new ProviderHelper(RuntimeEnvironment.application), null);
PgpDecryptVerifyInputParcel input = new PgpDecryptVerifyInputParcel();
input.setAllowSymmetricDecryption(true);
DecryptVerifyResult result = op.execute(input,
new CryptoInputParcel(new Passphrase(new String(mPassphrase.getCharArray()) + "x")),
data, out);
Assert.assertFalse("decryption must fail", result.success());
Assert.assertEquals("decrypted plaintext should be empty", 0, out.size());
Assert.assertNull("signature should be an error", 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());
PgpDecryptVerify op = new PgpDecryptVerify(RuntimeEnvironment.application,
new ProviderHelper(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("signature should be an error", 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());
PgpDecryptVerify op = new PgpDecryptVerify(RuntimeEnvironment.application,
new ProviderHelper(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("signature should be an error", result.getSignatureResult());
}
}
@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,
new ProviderHelper(RuntimeEnvironment.application), null);
InputData data = new InputData(in, in.available());
PgpSignEncryptInputParcel input = new PgpSignEncryptInputParcel();
input.setEncryptionMasterKeyIds(new long[] { mStaticRing1.getMasterKeyId() });
input.setSymmetricEncryptionAlgorithm(PGPEncryptedData.AES_128);
PgpSignEncryptResult result = op.execute(input, new CryptoInputParcel(), 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());
PgpDecryptVerify 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.assertNull("signature be empty", result.getSignatureResult());
OpenPgpMetadata metadata = result.getDecryptMetadata();
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());
PgpDecryptVerify 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", result.success());
Assert.assertArrayEquals("decrypted ciphertext with cached passphrase should equal plaintext",
out.toByteArray(), plaintext.getBytes());
Assert.assertNull("signature should be empty", result.getSignatureResult());
}
{ // 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());
PgpDecryptVerify 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 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,
new ProviderHelper(RuntimeEnvironment.application), null);
InputData data = new InputData(in, in.available());
PgpSignEncryptInputParcel b = new PgpSignEncryptInputParcel();
b.setEncryptionMasterKeyIds(new long[] {
mStaticRing1.getMasterKeyId(),
mStaticRing2.getMasterKeyId()
});
b.setSymmetricEncryptionAlgorithm(PGPEncryptedData.AES_128);
PgpSignEncryptResult result = op.execute(b, new CryptoInputParcel(), 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());
PgpDecryptVerify 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.assertNull("signature should be empty", result.getSignatureResult());
OpenPgpMetadata metadata = result.getDecryptMetadata();
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!
PgpDecryptVerify 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.assertNull("signature should be empty", result.getSignatureResult());
}
{ // 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!
PgpDecryptVerify 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
new ProviderHelper(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());
PgpDecryptVerify 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.assertNull("signature should be empty", result.getSignatureResult());
}
}
@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,
new ProviderHelper(RuntimeEnvironment.application), null);
InputData data = new InputData(in, in.available());
PgpSignEncryptInputParcel b = new PgpSignEncryptInputParcel();
b.setEncryptionMasterKeyIds(new long[] {
mStaticRing1.getMasterKeyId(),
mStaticRing2.getMasterKeyId()
});
b.setSignatureMasterKeyId(mStaticRing1.getMasterKeyId());
b.setSignatureSubKeyId(KeyringTestingHelper.getSubkeyId(mStaticRing1, 1));
b.setSymmetricEncryptionAlgorithm(PGPEncryptedData.AES_128);
PgpSignEncryptResult result = op.execute(b, new CryptoInputParcel(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());
PgpDecryptVerify 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.SIGNATURE_SUCCESS_CERTIFIED, result.getSignatureResult().getStatus());
OpenPgpMetadata metadata = result.getDecryptMetadata();
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
new ProviderHelper(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());
PgpDecryptVerify 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.SIGNATURE_KEY_MISSING,
result.getSignatureResult().getStatus());
}
}
@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,
new ProviderHelper(RuntimeEnvironment.application), null);
InputData data = new InputData(in, in.available());
PgpSignEncryptInputParcel b = new PgpSignEncryptInputParcel();
b.setEncryptionMasterKeyIds(new long[] { mStaticRing1.getMasterKeyId() });
b.setSymmetricEncryptionAlgorithm(PGPEncryptedData.AES_128);
// this only works with ascii armored output!
b.setEnableAsciiArmorOutput(true);
b.setCharset("iso-2022-jp");
PgpSignEncryptResult result = op.execute(b, new CryptoInputParcel(), 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());
PgpDecryptVerify 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.getCharset());
Assert.assertEquals("decrypted ciphertext should equal plaintext",
new String(out.toByteArray(), result.getCharset()), plaintext);
Assert.assertNull("signature be empty", result.getSignatureResult());
}
}
private PgpDecryptVerify operationWithFakePassphraseCache(
final Passphrase passphrase, final Long checkMasterKeyId, final Long checkSubKeyId) {
return new PgpDecryptVerify(RuntimeEnvironment.application,
new ProviderHelper(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;
}
};
}
}