587 lines
28 KiB
Java
587 lines
28 KiB
Java
/*
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* Copyright (C) 2014 Vincent Breitmoser <v.breitmoser@mugenguild.com>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package org.sufficientlysecure.keychain.pgp;
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import org.junit.Assert;
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import org.junit.Before;
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import org.junit.BeforeClass;
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import org.junit.Test;
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import org.junit.runner.RunWith;
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import org.openintents.openpgp.OpenPgpMetadata;
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import org.openintents.openpgp.OpenPgpSignatureResult;
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import org.robolectric.*;
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import org.robolectric.annotation.Config;
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import org.robolectric.shadows.ShadowLog;
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import org.spongycastle.bcpg.sig.KeyFlags;
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import org.spongycastle.jce.provider.BouncyCastleProvider;
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import org.spongycastle.openpgp.PGPEncryptedData;
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import org.sufficientlysecure.keychain.BuildConfig;
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import org.sufficientlysecure.keychain.operations.results.OperationResult.LogType;
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import org.sufficientlysecure.keychain.operations.results.PgpEditKeyResult;
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import org.sufficientlysecure.keychain.operations.results.PgpSignEncryptResult;
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import org.sufficientlysecure.keychain.provider.KeychainContract.KeyRingData;
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import org.sufficientlysecure.keychain.provider.ProviderHelper;
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import org.sufficientlysecure.keychain.service.SaveKeyringParcel;
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import org.sufficientlysecure.keychain.service.SaveKeyringParcel.Algorithm;
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import org.sufficientlysecure.keychain.operations.results.DecryptVerifyResult;
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import org.sufficientlysecure.keychain.service.SaveKeyringParcel.ChangeUnlockParcel;
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import org.sufficientlysecure.keychain.service.input.CryptoInputParcel;
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import org.sufficientlysecure.keychain.service.input.RequiredInputParcel.RequiredInputType;
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import org.sufficientlysecure.keychain.support.KeyringTestingHelper;
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import org.sufficientlysecure.keychain.util.InputData;
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import org.sufficientlysecure.keychain.util.Passphrase;
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import org.sufficientlysecure.keychain.util.ProgressScaler;
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import org.sufficientlysecure.keychain.util.TestingUtils;
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import java.io.ByteArrayInputStream;
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import java.io.ByteArrayOutputStream;
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import java.io.PrintStream;
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import java.security.Security;
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import java.util.HashSet;
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@RunWith(RobolectricGradleTestRunner.class)
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@Config(constants = BuildConfig.class, sdk = 21, manifest = "src/main/AndroidManifest.xml")
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public class PgpEncryptDecryptTest {
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static Passphrase mPassphrase = TestingUtils.genPassphrase(true);
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static UncachedKeyRing mStaticRing1, mStaticRing2;
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static Passphrase mKeyPhrase1 = TestingUtils.genPassphrase(true);
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static Passphrase mKeyPhrase2 = TestingUtils.genPassphrase(true);
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static PrintStream oldShadowStream;
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@BeforeClass
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public static void setUpOnce() throws Exception {
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Security.insertProviderAt(new BouncyCastleProvider(), 1);
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oldShadowStream = ShadowLog.stream;
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// ShadowLog.stream = System.out;
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PgpKeyOperation op = new PgpKeyOperation(null);
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{
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SaveKeyringParcel parcel = new SaveKeyringParcel();
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parcel.mAddSubKeys.add(new SaveKeyringParcel.SubkeyAdd(
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Algorithm.RSA, 1024, null, KeyFlags.CERTIFY_OTHER, 0L));
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parcel.mAddSubKeys.add(new SaveKeyringParcel.SubkeyAdd(
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Algorithm.DSA, 1024, null, KeyFlags.SIGN_DATA, 0L));
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parcel.mAddSubKeys.add(new SaveKeyringParcel.SubkeyAdd(
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Algorithm.ELGAMAL, 1024, null, KeyFlags.ENCRYPT_COMMS, 0L));
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parcel.mAddUserIds.add("bloom");
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parcel.mNewUnlock = new ChangeUnlockParcel(mKeyPhrase1);
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PgpEditKeyResult result = op.createSecretKeyRing(parcel);
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Assert.assertTrue("initial test key creation must succeed", result.success());
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Assert.assertNotNull("initial test key creation must succeed", result.getRing());
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mStaticRing1 = result.getRing();
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}
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{
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SaveKeyringParcel parcel = new SaveKeyringParcel();
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parcel.mAddSubKeys.add(new SaveKeyringParcel.SubkeyAdd(
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Algorithm.RSA, 1024, null, KeyFlags.CERTIFY_OTHER, 0L));
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parcel.mAddSubKeys.add(new SaveKeyringParcel.SubkeyAdd(
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Algorithm.DSA, 1024, null, KeyFlags.SIGN_DATA, 0L));
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parcel.mAddSubKeys.add(new SaveKeyringParcel.SubkeyAdd(
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Algorithm.ELGAMAL, 1024, null, KeyFlags.ENCRYPT_COMMS, 0L));
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parcel.mAddUserIds.add("belle");
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parcel.mNewUnlock = new ChangeUnlockParcel(mKeyPhrase2);
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PgpEditKeyResult result = op.createSecretKeyRing(parcel);
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Assert.assertTrue("initial test key creation must succeed", result.success());
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Assert.assertNotNull("initial test key creation must succeed", result.getRing());
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mStaticRing2 = result.getRing();
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}
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}
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@Before
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public void setUp() {
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ProviderHelper providerHelper = new ProviderHelper(RuntimeEnvironment.application);
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// don't log verbosely here, we're not here to test imports
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ShadowLog.stream = oldShadowStream;
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providerHelper.saveSecretKeyRing(mStaticRing1, new ProgressScaler());
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providerHelper.saveSecretKeyRing(mStaticRing2, new ProgressScaler());
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// ok NOW log verbosely!
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ShadowLog.stream = System.out;
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}
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@Test
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public void testSymmetricEncryptDecrypt() {
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String plaintext = "dies ist ein plaintext ☭" + TestingUtils.genPassphrase(true);
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byte[] ciphertext;
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{ // encrypt data with a given passphrase
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ByteArrayOutputStream out = new ByteArrayOutputStream();
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ByteArrayInputStream in = new ByteArrayInputStream(plaintext.getBytes());
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PgpSignEncryptOperation op = new PgpSignEncryptOperation(RuntimeEnvironment.application,
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new ProviderHelper(RuntimeEnvironment.application), null);
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InputData data = new InputData(in, in.available());
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PgpSignEncryptInputParcel b = new PgpSignEncryptInputParcel();
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b.setSymmetricPassphrase(mPassphrase);
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b.setSymmetricEncryptionAlgorithm(PGPEncryptedData.AES_128);
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PgpSignEncryptResult result = op.execute(b, new CryptoInputParcel(), data, out);
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Assert.assertTrue("encryption must succeed", result.success());
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ciphertext = out.toByteArray();
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}
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{ // decryption with same passphrase should yield the same result
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ByteArrayOutputStream out = new ByteArrayOutputStream();
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ByteArrayInputStream in = new ByteArrayInputStream(ciphertext);
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InputData data = new InputData(in, in.available());
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PgpDecryptVerify op = new PgpDecryptVerify(RuntimeEnvironment.application,
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new ProviderHelper(RuntimeEnvironment.application), null);
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PgpDecryptVerifyInputParcel input = new PgpDecryptVerifyInputParcel();
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input.setAllowSymmetricDecryption(true);
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DecryptVerifyResult result = op.execute(
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input, new CryptoInputParcel(mPassphrase), data, out);
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Assert.assertTrue("decryption must succeed", result.success());
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Assert.assertArrayEquals("decrypted ciphertext should equal plaintext",
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out.toByteArray(), plaintext.getBytes());
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Assert.assertNull("signature should be an error", result.getSignatureResult());
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OpenPgpMetadata metadata = result.getDecryptMetadata();
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Assert.assertEquals("filesize must be correct",
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out.toByteArray().length, metadata.getOriginalSize());
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}
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{ // decryption with a bad passphrase should fail
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ByteArrayOutputStream out = new ByteArrayOutputStream();
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ByteArrayInputStream in = new ByteArrayInputStream(ciphertext);
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InputData data = new InputData(in, in.available());
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PgpDecryptVerify op = new PgpDecryptVerify(RuntimeEnvironment.application,
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new ProviderHelper(RuntimeEnvironment.application), null);
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PgpDecryptVerifyInputParcel input = new PgpDecryptVerifyInputParcel();
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input.setAllowSymmetricDecryption(true);
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DecryptVerifyResult result = op.execute(input,
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new CryptoInputParcel(new Passphrase(new String(mPassphrase.getCharArray()) + "x")),
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data, out);
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Assert.assertFalse("decryption must fail", result.success());
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Assert.assertEquals("decrypted plaintext should be empty", 0, out.size());
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Assert.assertNull("signature should be an error", result.getSignatureResult());
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}
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{ // decryption with an unset passphrase should fail
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ByteArrayOutputStream out = new ByteArrayOutputStream();
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ByteArrayInputStream in = new ByteArrayInputStream(ciphertext);
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InputData data = new InputData(in, in.available());
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PgpDecryptVerify op = new PgpDecryptVerify(RuntimeEnvironment.application,
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new ProviderHelper(RuntimeEnvironment.application), null);
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PgpDecryptVerifyInputParcel input = new PgpDecryptVerifyInputParcel();
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input.setAllowSymmetricDecryption(true);
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DecryptVerifyResult result = op.execute(input,
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new CryptoInputParcel(), data, out);
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Assert.assertFalse("decryption must fail", result.success());
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Assert.assertEquals("decrypted plaintext should be empty", 0, out.size());
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Assert.assertNull("signature should be an error", result.getSignatureResult());
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}
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{ // decryption if symmetric decryption isn't allowed should fail
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ByteArrayOutputStream out = new ByteArrayOutputStream();
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ByteArrayInputStream in = new ByteArrayInputStream(ciphertext);
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InputData data = new InputData(in, in.available());
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PgpDecryptVerify op = new PgpDecryptVerify(RuntimeEnvironment.application,
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new ProviderHelper(RuntimeEnvironment.application), null);
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PgpDecryptVerifyInputParcel input = new PgpDecryptVerifyInputParcel();
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input.setAllowSymmetricDecryption(false);
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DecryptVerifyResult result = op.execute(input,
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new CryptoInputParcel(), data, out);
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Assert.assertFalse("decryption must fail", result.success());
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Assert.assertEquals("decrypted plaintext should be empty", 0, out.size());
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Assert.assertNull("signature should be an error", result.getSignatureResult());
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}
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}
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@Test
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public void testAsymmetricEncryptDecrypt() {
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String plaintext = "dies ist ein plaintext ☭" + TestingUtils.genPassphrase(true);
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byte[] ciphertext;
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{ // encrypt data with key
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ByteArrayOutputStream out = new ByteArrayOutputStream();
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ByteArrayInputStream in = new ByteArrayInputStream(plaintext.getBytes());
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PgpSignEncryptOperation op = new PgpSignEncryptOperation(RuntimeEnvironment.application,
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new ProviderHelper(RuntimeEnvironment.application), null);
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InputData data = new InputData(in, in.available());
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PgpSignEncryptInputParcel input = new PgpSignEncryptInputParcel();
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input.setEncryptionMasterKeyIds(new long[] { mStaticRing1.getMasterKeyId() });
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input.setSymmetricEncryptionAlgorithm(PGPEncryptedData.AES_128);
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PgpSignEncryptResult result = op.execute(input, new CryptoInputParcel(), data, out);
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Assert.assertTrue("encryption must succeed", result.success());
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ciphertext = out.toByteArray();
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}
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{ // decryption with provided passphrase should yield the same result
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ByteArrayOutputStream out = new ByteArrayOutputStream();
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ByteArrayInputStream in = new ByteArrayInputStream(ciphertext);
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InputData data = new InputData(in, in.available());
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PgpDecryptVerify op = operationWithFakePassphraseCache(null, null, null);
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PgpDecryptVerifyInputParcel input = new PgpDecryptVerifyInputParcel();
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DecryptVerifyResult result = op.execute(input, new CryptoInputParcel(mKeyPhrase1), data, out);
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Assert.assertTrue("decryption with provided passphrase must succeed", result.success());
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Assert.assertArrayEquals("decrypted ciphertext with provided passphrase should equal plaintext",
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out.toByteArray(), plaintext.getBytes());
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Assert.assertNull("signature be empty", result.getSignatureResult());
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OpenPgpMetadata metadata = result.getDecryptMetadata();
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Assert.assertEquals("filesize must be correct",
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out.toByteArray().length, metadata.getOriginalSize());
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}
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{ // decryption with passphrase cached should succeed
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ByteArrayOutputStream out = new ByteArrayOutputStream();
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ByteArrayInputStream in = new ByteArrayInputStream(ciphertext);
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InputData data = new InputData(in, in.available());
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PgpDecryptVerify op = operationWithFakePassphraseCache(
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mKeyPhrase1, mStaticRing1.getMasterKeyId(), null);
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PgpDecryptVerifyInputParcel input = new PgpDecryptVerifyInputParcel();
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DecryptVerifyResult result = op.execute(input, new CryptoInputParcel(), data, out);
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Assert.assertTrue("decryption with cached passphrase must succeed", result.success());
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Assert.assertArrayEquals("decrypted ciphertext with cached passphrase should equal plaintext",
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out.toByteArray(), plaintext.getBytes());
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Assert.assertNull("signature should be empty", result.getSignatureResult());
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}
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{ // decryption with no passphrase provided should return status pending
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ByteArrayOutputStream out = new ByteArrayOutputStream();
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ByteArrayInputStream in = new ByteArrayInputStream(ciphertext);
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InputData data = new InputData(in, in.available());
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PgpDecryptVerify op = operationWithFakePassphraseCache(
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null, mStaticRing1.getMasterKeyId(), null);
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PgpDecryptVerifyInputParcel input = new PgpDecryptVerifyInputParcel();
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DecryptVerifyResult result = op.execute(input, new CryptoInputParcel(), data, out);
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Assert.assertFalse("decryption with no passphrase must return pending", result.success());
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Assert.assertTrue("decryption with no passphrase should return pending", result.isPending());
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Assert.assertEquals("decryption with no passphrase should return pending passphrase",
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RequiredInputType.PASSPHRASE, result.getRequiredInputParcel().mType);
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}
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}
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@Test
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public void testMultiAsymmetricEncryptDecrypt() {
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String plaintext = "dies ist ein plaintext ☭" + TestingUtils.genPassphrase(true);
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byte[] ciphertext;
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{ // encrypt data with a given passphrase
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ByteArrayOutputStream out = new ByteArrayOutputStream();
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ByteArrayInputStream in = new ByteArrayInputStream(plaintext.getBytes());
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PgpSignEncryptOperation op = new PgpSignEncryptOperation(RuntimeEnvironment.application,
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new ProviderHelper(RuntimeEnvironment.application), null);
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InputData data = new InputData(in, in.available());
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PgpSignEncryptInputParcel b = new PgpSignEncryptInputParcel();
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b.setEncryptionMasterKeyIds(new long[] {
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mStaticRing1.getMasterKeyId(),
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mStaticRing2.getMasterKeyId()
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});
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b.setSymmetricEncryptionAlgorithm(PGPEncryptedData.AES_128);
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PgpSignEncryptResult result = op.execute(b, new CryptoInputParcel(), data, out);
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Assert.assertTrue("encryption must succeed", result.success());
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ciphertext = out.toByteArray();
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}
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{ // decryption with passphrase cached should succeed for the first key
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ByteArrayOutputStream out = new ByteArrayOutputStream();
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ByteArrayInputStream in = new ByteArrayInputStream(ciphertext);
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InputData data = new InputData(in, in.available());
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PgpDecryptVerify op = operationWithFakePassphraseCache(
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mKeyPhrase1, mStaticRing1.getMasterKeyId(), null);
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PgpDecryptVerifyInputParcel input = new PgpDecryptVerifyInputParcel();
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DecryptVerifyResult result = op.execute(input, new CryptoInputParcel(), data, out);
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Assert.assertTrue("decryption with cached passphrase must succeed for the first key", result.success());
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Assert.assertArrayEquals("decrypted ciphertext with cached passphrase should equal plaintext",
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out.toByteArray(), plaintext.getBytes());
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Assert.assertNull("signature should be empty", result.getSignatureResult());
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OpenPgpMetadata metadata = result.getDecryptMetadata();
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Assert.assertEquals("filesize must be correct",
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out.toByteArray().length, metadata.getOriginalSize());
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}
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{ // decryption should succeed if key is allowed
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ByteArrayOutputStream out = new ByteArrayOutputStream();
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ByteArrayInputStream in = new ByteArrayInputStream(ciphertext);
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InputData data = new InputData(in, in.available());
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// allow only the second to decrypt
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HashSet<Long> allowed = new HashSet<>();
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allowed.add(mStaticRing2.getMasterKeyId());
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// provide passphrase for the second, and check that the first is never asked for!
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PgpDecryptVerify op = operationWithFakePassphraseCache(
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mKeyPhrase2, mStaticRing2.getMasterKeyId(), null);
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PgpDecryptVerifyInputParcel input = new PgpDecryptVerifyInputParcel();
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input.setAllowedKeyIds(allowed);
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DecryptVerifyResult result = op.execute(input, new CryptoInputParcel(), data, out);
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Assert.assertTrue("decryption with cached passphrase must succeed for allowed key", result.success());
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Assert.assertArrayEquals("decrypted ciphertext with cached passphrase should equal plaintext",
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out.toByteArray(), plaintext.getBytes());
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Assert.assertTrue("other key was skipped", result.getLog().containsType(LogType.MSG_DC_ASKIP_NOT_ALLOWED));
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Assert.assertNull("signature should be empty", result.getSignatureResult());
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}
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{ // decryption should fail if no key is allowed
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ByteArrayOutputStream out = new ByteArrayOutputStream();
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ByteArrayInputStream in = new ByteArrayInputStream(ciphertext);
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InputData data = new InputData(in, in.available());
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// provide passphrase for the second, and check that the first is never asked for!
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PgpDecryptVerify op = operationWithFakePassphraseCache(
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mKeyPhrase2, mStaticRing2.getMasterKeyId(), null);
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PgpDecryptVerifyInputParcel input = new PgpDecryptVerifyInputParcel();
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input.setAllowedKeyIds(new HashSet<Long>());
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DecryptVerifyResult result = op.execute(input, new CryptoInputParcel(), data, out);
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Assert.assertFalse("decryption must fail if no key allowed", result.success());
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Assert.assertEquals("decryption must fail with key disllowed status",
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DecryptVerifyResult.RESULT_KEY_DISALLOWED, result.getResult());
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}
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{ // decryption with passphrase cached should succeed for the other key if first is gone
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// delete first key from database
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new ProviderHelper(RuntimeEnvironment.application).getContentResolver().delete(
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KeyRingData.buildPublicKeyRingUri(mStaticRing1.getMasterKeyId()), null, null
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);
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ByteArrayOutputStream out = new ByteArrayOutputStream();
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ByteArrayInputStream in = new ByteArrayInputStream(ciphertext);
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InputData data = new InputData(in, in.available());
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PgpDecryptVerify op = operationWithFakePassphraseCache(
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mKeyPhrase2, mStaticRing2.getMasterKeyId(), null);
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PgpDecryptVerifyInputParcel input = new PgpDecryptVerifyInputParcel();
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DecryptVerifyResult result = op.execute(input, new CryptoInputParcel(), data, out);
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Assert.assertTrue("decryption with cached passphrase must succeed", result.success());
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Assert.assertArrayEquals("decrypted ciphertext with cached passphrase should equal plaintext",
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out.toByteArray(), plaintext.getBytes());
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Assert.assertNull("signature should be empty", result.getSignatureResult());
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}
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}
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@Test
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public void testMultiAsymmetricSignEncryptDecryptVerify() {
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String plaintext = "dies ist ein plaintext ☭" + TestingUtils.genPassphrase(true);
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byte[] ciphertext;
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{ // encrypt data with a given passphrase
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ByteArrayOutputStream out = new ByteArrayOutputStream();
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ByteArrayInputStream in = new ByteArrayInputStream(plaintext.getBytes());
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PgpSignEncryptOperation op = new PgpSignEncryptOperation(RuntimeEnvironment.application,
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new ProviderHelper(RuntimeEnvironment.application), null);
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InputData data = new InputData(in, in.available());
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PgpSignEncryptInputParcel b = new PgpSignEncryptInputParcel();
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b.setEncryptionMasterKeyIds(new long[] {
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mStaticRing1.getMasterKeyId(),
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mStaticRing2.getMasterKeyId()
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});
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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;
|
|
}
|
|
};
|
|
}
|
|
} |