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/*
* 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.BeforeClass;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.robolectric.*;
import org.robolectric.shadows.ShadowLog;
import org.spongycastle.jce.provider.BouncyCastleProvider;
import org.spongycastle.openpgp.PGPEncryptedData;
import org.sufficientlysecure.keychain.pgp.PgpDecryptVerify.NoSecretKeyException;
import org.sufficientlysecure.keychain.pgp.PgpDecryptVerify.PassphraseCache;
import org.sufficientlysecure.keychain.pgp.PgpSignEncrypt.Builder;
import org.sufficientlysecure.keychain.provider.ProviderHelper;
import org.sufficientlysecure.keychain.service.results.DecryptVerifyResult;
import org.sufficientlysecure.keychain.service.results.SignEncryptResult;
import org.sufficientlysecure.keychain.util.InputData;
import org.sufficientlysecure.keychain.util.TestingUtils;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.security.Security;
@RunWith(RobolectricTestRunner.class)
@org.robolectric.annotation.Config(emulateSdk = 18) // Robolectric doesn't yet support 19
public class PgpEncryptDecryptTest {
String mPassphrase = TestingUtils.genPassphrase(true);
@BeforeClass
public static void setUpOnce() throws Exception {
Security.insertProviderAt(new BouncyCastleProvider(), 1);
ShadowLog.stream = System.out;
}
@Test
public void testSymmetricEncryptDecrypt() {
ByteArrayOutputStream out = new ByteArrayOutputStream();
{
ByteArrayInputStream in = new ByteArrayInputStream("dies ist ein plaintext ☭".getBytes());
InputData data = new InputData(in, in.available());
Builder b = new PgpSignEncrypt.Builder(new ProviderHelper(Robolectric.application), data, out);
b.setSymmetricPassphrase(mPassphrase);
b.setSymmetricEncryptionAlgorithm(PGPEncryptedData.AES_128);
SignEncryptResult result = b.build().execute();
Assert.assertTrue("encryption must succeed", result.success());
}
{
ByteArrayInputStream in = new ByteArrayInputStream(out.toByteArray());
InputData data = new InputData(in, in.available());
out.reset();
PgpDecryptVerify.Builder b = new PgpDecryptVerify.Builder(
new ProviderHelper(Robolectric.application),
new DummyPassphraseCache(mPassphrase), data, out);
b.setPassphrase(mPassphrase);
DecryptVerifyResult result = b.build().execute();
Assert.assertTrue("decryption must succeed", result.success());
}
}
static class DummyPassphraseCache implements PassphraseCache {
String mPassphrase;
public DummyPassphraseCache(String passphrase) {
mPassphrase = passphrase;
}
@Override
public String getCachedPassphrase(long masterKeyId) throws NoSecretKeyException {
Assert.assertEquals("requested passphrase must be for symmetric id", 0L, masterKeyId);
return mPassphrase;
}
}
}
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