2018-06-13 17:26:48 +02:00
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/*
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* Copyright 2018 Paul Schaub.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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2020-01-11 13:11:14 +01:00
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package org.pgpainless.encryption_signing;
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2018-06-07 18:12:13 +02:00
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2020-11-13 16:31:59 +01:00
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import static org.junit.jupiter.api.Assertions.assertArrayEquals;
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import static org.junit.jupiter.api.Assertions.assertEquals;
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import static org.junit.jupiter.api.Assertions.assertFalse;
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import static org.junit.jupiter.api.Assertions.assertTrue;
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2018-06-07 18:12:13 +02:00
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import java.io.ByteArrayInputStream;
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import java.io.ByteArrayOutputStream;
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import java.io.IOException;
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2018-06-08 15:29:09 +02:00
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import java.nio.charset.Charset;
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2018-06-10 17:12:44 +02:00
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import java.security.InvalidAlgorithmParameterException;
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import java.security.NoSuchAlgorithmException;
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2020-08-24 14:55:06 +02:00
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import java.util.Collections;
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import java.util.Set;
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2018-06-10 17:12:44 +02:00
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import java.util.logging.Logger;
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2018-06-07 18:12:13 +02:00
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2020-08-24 14:55:06 +02:00
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import org.bouncycastle.bcpg.ArmoredOutputStream;
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2018-06-07 18:12:13 +02:00
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import org.bouncycastle.openpgp.PGPException;
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import org.bouncycastle.openpgp.PGPPublicKeyRing;
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import org.bouncycastle.openpgp.PGPSecretKeyRing;
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2020-08-24 14:55:06 +02:00
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import org.bouncycastle.openpgp.PGPSignature;
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2018-06-07 18:12:13 +02:00
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import org.bouncycastle.util.io.Streams;
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2020-11-13 16:31:59 +01:00
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import org.junit.jupiter.api.Test;
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2020-01-11 13:11:14 +01:00
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import org.pgpainless.PGPainless;
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2018-07-18 18:23:06 +02:00
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import org.pgpainless.algorithm.KeyFlag;
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import org.pgpainless.algorithm.SymmetricKeyAlgorithm;
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import org.pgpainless.decryption_verification.DecryptionStream;
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2018-07-23 16:23:23 +02:00
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import org.pgpainless.decryption_verification.OpenPgpMetadata;
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2020-08-24 14:55:06 +02:00
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import org.pgpainless.key.OpenPgpV4Fingerprint;
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2020-01-12 18:36:03 +01:00
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import org.pgpainless.key.TestKeys;
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2018-07-18 18:23:06 +02:00
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import org.pgpainless.key.generation.KeySpec;
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2021-01-03 17:06:38 +01:00
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import org.pgpainless.key.generation.type.elgamal.ElGamal;
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2020-11-07 18:24:12 +01:00
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import org.pgpainless.key.generation.type.KeyType;
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2020-12-08 20:02:41 +01:00
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import org.pgpainless.key.generation.type.elgamal.ElGamalLength;
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import org.pgpainless.key.generation.type.rsa.RsaLength;
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2018-07-18 18:23:06 +02:00
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import org.pgpainless.key.protection.SecretKeyRingProtector;
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import org.pgpainless.key.protection.UnprotectedKeysProtector;
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2020-12-08 19:14:52 +01:00
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import org.pgpainless.key.util.KeyRingUtils;
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2018-07-18 18:23:06 +02:00
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import org.pgpainless.util.BCUtil;
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2018-06-07 18:12:13 +02:00
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2020-01-10 19:03:04 +01:00
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public class EncryptDecryptTest {
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2018-06-07 18:12:13 +02:00
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2018-06-13 17:26:48 +02:00
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private static final Logger LOGGER = Logger.getLogger(EncryptDecryptTest.class.getName());
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2020-01-10 22:07:54 +01:00
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// Don't use StandardCharsets.UTF_8 because of Android API level.
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2018-06-10 17:12:44 +02:00
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private static final Charset UTF8 = Charset.forName("UTF-8");
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2018-06-07 18:12:13 +02:00
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2020-01-10 22:07:54 +01:00
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private static final String testMessage =
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"Ah, Juliet, if the measure of thy joy\n" +
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2018-06-13 17:26:48 +02:00
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"Be heaped like mine, and that thy skill be more\n" +
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"To blazon it, then sweeten with thy breath\n" +
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"This neighbor air, and let rich music’s tongue\n" +
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"Unfold the imagined happiness that both\n" +
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"Receive in either by this dear encounter.";
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2018-06-28 13:23:40 +02:00
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@Test
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public void freshKeysRsaToElGamalTest()
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throws PGPException, NoSuchAlgorithmException, InvalidAlgorithmParameterException, IOException {
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PGPSecretKeyRing sender = PGPainless.generateKeyRing().simpleRsaKeyRing("romeo@montague.lit", RsaLength._3072);
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PGPSecretKeyRing recipient = PGPainless.generateKeyRing()
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2021-01-03 17:06:38 +01:00
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.withSubKey(KeySpec.getBuilder(ElGamal.withLength(ElGamalLength._3072)).withKeyFlags(KeyFlag.ENCRYPT_STORAGE, KeyFlag.ENCRYPT_COMMS).withDefaultAlgorithms())
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2021-02-11 17:18:59 +01:00
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.withPrimaryKey(KeySpec.getBuilder(KeyType.RSA(RsaLength._4096)).withKeyFlags(KeyFlag.SIGN_DATA, KeyFlag.CERTIFY_OTHER).withDefaultAlgorithms())
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2018-06-28 13:23:40 +02:00
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.withPrimaryUserId("juliet@capulet.lit").withoutPassphrase().build();
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encryptDecryptForSecretKeyRings(sender, recipient);
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}
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2018-06-10 17:12:44 +02:00
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@Test
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2018-06-10 17:55:51 +02:00
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public void freshKeysRsaToRsaTest()
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throws PGPException, NoSuchAlgorithmException, InvalidAlgorithmParameterException, IOException {
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PGPSecretKeyRing sender = PGPainless.generateKeyRing().simpleRsaKeyRing("romeo@montague.lit", RsaLength._3072);
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PGPSecretKeyRing recipient = PGPainless.generateKeyRing().simpleRsaKeyRing("juliet@capulet.lit", RsaLength._3072);
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2018-06-10 17:12:44 +02:00
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2018-06-10 17:55:51 +02:00
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encryptDecryptForSecretKeyRings(sender, recipient);
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2018-06-07 18:12:13 +02:00
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}
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@Test
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2020-01-10 22:07:54 +01:00
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public void freshKeysEcToEcTest()
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throws IOException, PGPException, NoSuchAlgorithmException, InvalidAlgorithmParameterException {
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2020-12-08 19:14:52 +01:00
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PGPSecretKeyRing sender = PGPainless.generateKeyRing().simpleEcKeyRing("romeo@montague.lit");
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PGPSecretKeyRing recipient = PGPainless.generateKeyRing().simpleEcKeyRing("juliet@capulet.lit");
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2018-06-10 17:12:44 +02:00
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2018-06-10 17:55:51 +02:00
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encryptDecryptForSecretKeyRings(sender, recipient);
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2018-06-07 18:12:13 +02:00
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}
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@Test
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2018-06-10 17:55:51 +02:00
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public void freshKeysEcToRsaTest()
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throws PGPException, NoSuchAlgorithmException, InvalidAlgorithmParameterException, IOException {
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2020-12-08 19:14:52 +01:00
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PGPSecretKeyRing sender = PGPainless.generateKeyRing().simpleEcKeyRing("romeo@montague.lit");
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PGPSecretKeyRing recipient = PGPainless.generateKeyRing().simpleRsaKeyRing("juliet@capulet.lit", RsaLength._3072);
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2018-06-07 18:12:13 +02:00
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2018-06-10 17:55:51 +02:00
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encryptDecryptForSecretKeyRings(sender, recipient);
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2018-06-10 17:12:44 +02:00
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}
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2018-06-07 18:12:13 +02:00
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2018-06-10 17:12:44 +02:00
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@Test
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2018-06-10 17:55:51 +02:00
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public void freshKeysRsaToEcTest()
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throws PGPException, NoSuchAlgorithmException, InvalidAlgorithmParameterException, IOException {
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2020-12-08 19:14:52 +01:00
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PGPSecretKeyRing sender = PGPainless.generateKeyRing().simpleRsaKeyRing("romeo@montague.lit", RsaLength._3072);
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PGPSecretKeyRing recipient = PGPainless.generateKeyRing().simpleEcKeyRing("juliet@capulet.lit");
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2018-06-07 18:12:13 +02:00
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2018-06-10 17:55:51 +02:00
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encryptDecryptForSecretKeyRings(sender, recipient);
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2018-06-10 17:12:44 +02:00
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}
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2018-06-07 18:12:13 +02:00
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2020-01-12 18:36:03 +01:00
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@Test
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public void existingRsaKeysTest() throws IOException, PGPException {
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2020-12-08 19:14:52 +01:00
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PGPSecretKeyRing sender = TestKeys.getJulietSecretKeyRing();
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PGPSecretKeyRing recipient = TestKeys.getRomeoSecretKeyRing();
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2020-01-12 18:36:03 +01:00
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encryptDecryptForSecretKeyRings(sender, recipient);
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}
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2020-12-08 19:14:52 +01:00
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private void encryptDecryptForSecretKeyRings(PGPSecretKeyRing senderSec, PGPSecretKeyRing recipientSec)
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2020-01-10 22:07:54 +01:00
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throws PGPException, IOException {
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2020-12-08 19:14:52 +01:00
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PGPPublicKeyRing recipientPub = KeyRingUtils.publicKeyRingFrom(recipientSec);
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PGPPublicKeyRing senderPub = KeyRingUtils.publicKeyRingFrom(senderSec);
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2018-06-07 18:12:13 +02:00
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2018-06-10 17:12:44 +02:00
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SecretKeyRingProtector keyDecryptor = new UnprotectedKeysProtector();
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2018-06-07 18:12:13 +02:00
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2018-06-21 15:35:40 +02:00
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byte[] secretMessage = testMessage.getBytes(UTF8);
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2018-06-07 18:12:13 +02:00
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2018-06-10 17:12:44 +02:00
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ByteArrayOutputStream envelope = new ByteArrayOutputStream();
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2018-06-07 18:12:13 +02:00
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2020-11-29 15:33:54 +01:00
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EncryptionStream encryptor = PGPainless.encryptAndOrSign()
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2018-06-10 17:12:44 +02:00
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.onOutputStream(envelope)
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2018-06-11 01:33:49 +02:00
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.toRecipients(recipientPub)
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2018-06-10 17:12:44 +02:00
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.usingSecureAlgorithms()
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2018-07-12 11:07:53 +02:00
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.signWith(keyDecryptor, senderSec)
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2020-12-16 16:33:14 +01:00
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.signBinaryDocument()
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2018-06-10 17:12:44 +02:00
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.noArmor();
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2018-06-07 18:12:13 +02:00
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2020-01-10 15:12:04 +01:00
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Streams.pipeAll(new ByteArrayInputStream(secretMessage), encryptor);
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encryptor.close();
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byte[] encryptedSecretMessage = envelope.toByteArray();
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2018-07-23 16:23:23 +02:00
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OpenPgpMetadata encryptionResult = encryptor.getResult();
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2018-06-27 15:09:39 +02:00
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2020-08-24 14:55:06 +02:00
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assertFalse(encryptionResult.getSignatures().isEmpty());
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for (OpenPgpV4Fingerprint fingerprint : encryptionResult.getVerifiedSignatures().keySet()) {
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assertTrue(BCUtil.keyRingContainsKeyWithId(senderPub, fingerprint.getKeyId()));
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2018-06-27 15:09:39 +02:00
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}
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assertFalse(encryptionResult.getRecipientKeyIds().isEmpty());
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for (long keyId : encryptionResult.getRecipientKeyIds()) {
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2018-07-12 11:07:53 +02:00
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assertTrue(BCUtil.keyRingContainsKeyWithId(recipientPub, keyId));
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2018-06-27 15:09:39 +02:00
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}
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assertEquals(SymmetricKeyAlgorithm.AES_256, encryptionResult.getSymmetricKeyAlgorithm());
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2018-06-10 17:12:44 +02:00
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// Juliet trieth to comprehend Romeos words
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2018-06-10 17:12:44 +02:00
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ByteArrayInputStream envelopeIn = new ByteArrayInputStream(encryptedSecretMessage);
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2020-11-29 15:33:54 +01:00
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DecryptionStream decryptor = PGPainless.decryptAndOrVerify()
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2018-06-10 17:12:44 +02:00
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.onInputStream(envelopeIn)
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.decryptWith(keyDecryptor, BCUtil.keyRingsToKeyRingCollection(recipientSec))
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2018-07-08 19:31:53 +02:00
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.verifyWith(BCUtil.keyRingsToKeyRingCollection(senderPub))
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2018-06-07 18:12:13 +02:00
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.ignoreMissingPublicKeys()
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.build();
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2018-06-21 15:35:40 +02:00
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ByteArrayOutputStream decryptedSecretMessage = new ByteArrayOutputStream();
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2018-06-10 17:12:44 +02:00
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Streams.pipeAll(decryptor, decryptedSecretMessage);
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2018-06-07 18:12:13 +02:00
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decryptor.close();
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2020-01-10 22:07:54 +01:00
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assertArrayEquals(secretMessage, decryptedSecretMessage.toByteArray());
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2018-07-23 16:23:23 +02:00
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OpenPgpMetadata result = decryptor.getResult();
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2018-06-10 17:55:51 +02:00
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assertTrue(result.containsVerifiedSignatureFrom(senderPub));
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assertTrue(result.isIntegrityProtected());
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assertTrue(result.isSigned());
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assertTrue(result.isEncrypted());
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assertTrue(result.isVerified());
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2018-06-07 18:12:13 +02:00
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}
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2020-08-24 14:55:06 +02:00
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@Test
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public void testDetachedSignatureCreationAndVerification() throws IOException, PGPException {
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2020-12-08 19:14:52 +01:00
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PGPSecretKeyRing signingKeys = TestKeys.getJulietSecretKeyRing();
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2020-08-24 14:55:06 +02:00
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SecretKeyRingProtector keyRingProtector = new UnprotectedKeysProtector();
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byte[] data = testMessage.getBytes();
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ByteArrayInputStream inputStream = new ByteArrayInputStream(data);
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ByteArrayOutputStream dummyOut = new ByteArrayOutputStream();
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2020-11-29 15:33:54 +01:00
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EncryptionStream signer = PGPainless.encryptAndOrSign().onOutputStream(dummyOut)
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2020-08-24 14:55:06 +02:00
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.doNotEncrypt()
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.createDetachedSignature()
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2020-12-08 19:14:52 +01:00
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.signWith(keyRingProtector, signingKeys)
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2020-12-16 16:33:14 +01:00
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.signBinaryDocument()
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2020-08-24 14:55:06 +02:00
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.noArmor();
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Streams.pipeAll(inputStream, signer);
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signer.close();
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OpenPgpMetadata metadata = signer.getResult();
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Set<PGPSignature> signatureSet = metadata.getSignatures();
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ByteArrayOutputStream sigOut = new ByteArrayOutputStream();
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ArmoredOutputStream armorOut = new ArmoredOutputStream(sigOut);
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signatureSet.iterator().next().encode(armorOut);
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armorOut.close();
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String armorSig = sigOut.toString();
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2020-08-24 16:26:29 +02:00
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// CHECKSTYLE:OFF
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2020-08-24 14:55:06 +02:00
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System.out.println(armorSig);
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2020-08-24 16:26:29 +02:00
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// CHECKSTYLE:ON
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2020-08-24 14:55:06 +02:00
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inputStream = new ByteArrayInputStream(testMessage.getBytes());
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2020-11-29 15:33:54 +01:00
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DecryptionStream verifier = PGPainless.decryptAndOrVerify().onInputStream(inputStream)
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2020-08-24 14:55:06 +02:00
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.doNotDecrypt()
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.verifyDetachedSignature(new ByteArrayInputStream(armorSig.getBytes()))
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2020-12-08 19:14:52 +01:00
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.verifyWith(Collections.singleton(KeyRingUtils.publicKeyRingFrom(signingKeys)))
|
2020-08-24 14:55:06 +02:00
|
|
|
|
.ignoreMissingPublicKeys()
|
|
|
|
|
.build();
|
|
|
|
|
dummyOut = new ByteArrayOutputStream();
|
|
|
|
|
Streams.pipeAll(verifier, dummyOut);
|
|
|
|
|
verifier.close();
|
|
|
|
|
|
|
|
|
|
metadata = verifier.getResult();
|
|
|
|
|
assertFalse(metadata.getVerifiedSignatures().isEmpty());
|
|
|
|
|
}
|
2020-08-30 13:16:47 +02:00
|
|
|
|
|
|
|
|
|
@Test
|
|
|
|
|
public void testOnePassSignatureCreationAndVerification() throws IOException, PGPException {
|
2020-12-08 19:14:52 +01:00
|
|
|
|
PGPSecretKeyRing signingKeys = TestKeys.getJulietSecretKeyRing();
|
2020-08-30 13:16:47 +02:00
|
|
|
|
SecretKeyRingProtector keyRingProtector = new UnprotectedKeysProtector();
|
|
|
|
|
byte[] data = testMessage.getBytes();
|
|
|
|
|
ByteArrayInputStream inputStream = new ByteArrayInputStream(data);
|
|
|
|
|
ByteArrayOutputStream signOut = new ByteArrayOutputStream();
|
2020-11-29 15:33:54 +01:00
|
|
|
|
EncryptionStream signer = PGPainless.encryptAndOrSign().onOutputStream(signOut)
|
2020-08-30 13:16:47 +02:00
|
|
|
|
.doNotEncrypt()
|
2020-12-08 19:14:52 +01:00
|
|
|
|
.signWith(keyRingProtector, signingKeys)
|
2020-12-16 16:33:14 +01:00
|
|
|
|
.signBinaryDocument()
|
2020-08-30 13:16:47 +02:00
|
|
|
|
.asciiArmor();
|
|
|
|
|
Streams.pipeAll(inputStream, signer);
|
|
|
|
|
signer.close();
|
|
|
|
|
|
|
|
|
|
// CHECKSTYLE:OFF
|
|
|
|
|
System.out.println(signOut.toString());
|
|
|
|
|
// CHECKSTYLE:ON
|
|
|
|
|
|
|
|
|
|
inputStream = new ByteArrayInputStream(signOut.toByteArray());
|
2020-11-29 15:33:54 +01:00
|
|
|
|
DecryptionStream verifier = PGPainless.decryptAndOrVerify().onInputStream(inputStream)
|
2020-08-30 13:16:47 +02:00
|
|
|
|
.doNotDecrypt()
|
2020-12-08 19:14:52 +01:00
|
|
|
|
.verifyWith(Collections.singleton(KeyRingUtils.publicKeyRingFrom(signingKeys)))
|
2020-08-30 13:16:47 +02:00
|
|
|
|
.ignoreMissingPublicKeys()
|
|
|
|
|
.build();
|
|
|
|
|
signOut = new ByteArrayOutputStream();
|
|
|
|
|
Streams.pipeAll(verifier, signOut);
|
|
|
|
|
verifier.close();
|
|
|
|
|
|
|
|
|
|
OpenPgpMetadata metadata = verifier.getResult();
|
|
|
|
|
assertFalse(metadata.getVerifiedSignatures().isEmpty());
|
|
|
|
|
}
|
2018-06-07 18:12:13 +02:00
|
|
|
|
}
|