191 lines
8.5 KiB
Java
191 lines
8.5 KiB
Java
/*
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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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package org.pgpainless;
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import static junit.framework.TestCase.assertEquals;
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import static junit.framework.TestCase.assertFalse;
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import static junit.framework.TestCase.assertTrue;
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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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import java.nio.charset.Charset;
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import java.security.InvalidAlgorithmParameterException;
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import java.security.NoSuchAlgorithmException;
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import java.security.NoSuchProviderException;
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import java.util.Arrays;
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import java.util.logging.Level;
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import java.util.logging.Logger;
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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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import org.bouncycastle.util.io.Streams;
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import org.junit.Ignore;
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import org.junit.Test;
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import org.pgpainless.algorithm.KeyFlag;
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import org.pgpainless.algorithm.PublicKeyAlgorithm;
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import org.pgpainless.algorithm.SymmetricKeyAlgorithm;
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import org.pgpainless.decryption_verification.DecryptionStream;
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import org.pgpainless.decryption_verification.OpenPgpMetadata;
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import org.pgpainless.encryption_signing.EncryptionStream;
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import org.pgpainless.key.collection.PGPKeyRing;
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import org.pgpainless.key.generation.KeySpec;
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import org.pgpainless.key.generation.type.ElGamal_GENERAL;
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import org.pgpainless.key.generation.type.RSA_GENERAL;
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import org.pgpainless.key.generation.type.length.ElGamalLength;
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import org.pgpainless.key.generation.type.length.RsaLength;
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import org.pgpainless.key.protection.SecretKeyRingProtector;
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import org.pgpainless.key.protection.UnprotectedKeysProtector;
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import org.pgpainless.util.BCUtil;
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public class EncryptDecryptTest {
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private static final Logger LOGGER = Logger.getLogger(EncryptDecryptTest.class.getName());
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private static final Charset UTF8 = Charset.forName("UTF-8");
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private static final String testMessage = "Ah, Juliet, if the measure of thy joy\n" +
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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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public EncryptDecryptTest() {
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LOGGER.log(Level.INFO, "Plain Length: " + testMessage.getBytes(UTF8).length);
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}
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@Test
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public void freshKeysRsaToElGamalTest()
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throws PGPException, NoSuchAlgorithmException, NoSuchProviderException, InvalidAlgorithmParameterException,
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IOException {
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PGPKeyRing sender = PGPainless.generateKeyRing().simpleRsaKeyRing("romeo@montague.lit", RsaLength._3072);
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PGPKeyRing recipient = PGPainless.generateKeyRing()
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.withSubKey(KeySpec.getBuilder(ElGamal_GENERAL.withLength(ElGamalLength._3072)).withKeyFlags(KeyFlag.ENCRYPT_STORAGE, KeyFlag.ENCRYPT_COMMS).withDefaultAlgorithms())
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.withMasterKey(KeySpec.getBuilder(RSA_GENERAL.withLength(RsaLength._4096)).withKeyFlags(KeyFlag.SIGN_DATA, KeyFlag.CERTIFY_OTHER).withDefaultAlgorithms())
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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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@Test
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public void freshKeysRsaToRsaTest()
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throws PGPException, NoSuchAlgorithmException, NoSuchProviderException, InvalidAlgorithmParameterException,
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IOException {
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PGPKeyRing sender = PGPainless.generateKeyRing().simpleRsaKeyRing("romeo@montague.lit", RsaLength._4096);
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PGPKeyRing recipient = PGPainless.generateKeyRing().simpleRsaKeyRing("juliet@capulet.lit", RsaLength._4096);
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encryptDecryptForSecretKeyRings(sender, recipient);
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}
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@Test
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public void freshKeysEcToEcTest() throws IOException, PGPException, NoSuchAlgorithmException, NoSuchProviderException,
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InvalidAlgorithmParameterException {
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PGPKeyRing sender = PGPainless.generateKeyRing().simpleEcKeyRing("romeo@montague.lit");
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PGPKeyRing recipient = PGPainless.generateKeyRing().simpleEcKeyRing("juliet@capulet.lit");
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encryptDecryptForSecretKeyRings(sender, recipient);
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}
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@Test
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public void freshKeysEcToRsaTest()
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throws PGPException, NoSuchAlgorithmException, NoSuchProviderException, InvalidAlgorithmParameterException,
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IOException {
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PGPKeyRing sender = PGPainless.generateKeyRing().simpleEcKeyRing("romeo@montague.lit");
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PGPKeyRing recipient = PGPainless.generateKeyRing().simpleRsaKeyRing("juliet@capulet.lit", RsaLength._4096);
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encryptDecryptForSecretKeyRings(sender, recipient);
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}
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@Test
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public void freshKeysRsaToEcTest()
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throws PGPException, NoSuchAlgorithmException, NoSuchProviderException, InvalidAlgorithmParameterException,
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IOException {
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PGPKeyRing sender = PGPainless.generateKeyRing().simpleRsaKeyRing("romeo@montague.lit", RsaLength._4096);
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PGPKeyRing recipient = PGPainless.generateKeyRing().simpleEcKeyRing("juliet@capulet.lit");
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encryptDecryptForSecretKeyRings(sender, recipient);
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}
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@Ignore
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private void encryptDecryptForSecretKeyRings(PGPKeyRing sender, PGPKeyRing recipient)
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throws PGPException,
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IOException {
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PGPSecretKeyRing recipientSec = recipient.getSecretKeys();
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PGPSecretKeyRing senderSec = sender.getSecretKeys();
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PGPPublicKeyRing recipientPub = recipient.getPublicKeys();
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PGPPublicKeyRing senderPub = sender.getPublicKeys();
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SecretKeyRingProtector keyDecryptor = new UnprotectedKeysProtector();
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byte[] secretMessage = testMessage.getBytes(UTF8);
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ByteArrayOutputStream envelope = new ByteArrayOutputStream();
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EncryptionStream encryptor = PGPainless.createEncryptor()
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.onOutputStream(envelope)
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.toRecipients(recipientPub)
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.usingSecureAlgorithms()
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.signWith(keyDecryptor, senderSec)
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.noArmor();
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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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LOGGER.log(Level.INFO, "Sender: " + PublicKeyAlgorithm.fromId(senderPub.getPublicKey().getAlgorithm()) +
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" Receiver: " + PublicKeyAlgorithm.fromId(recipientPub.getPublicKey().getAlgorithm()) +
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" Encrypted Length: " + encryptedSecretMessage.length);
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OpenPgpMetadata encryptionResult = encryptor.getResult();
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assertFalse(encryptionResult.getSignatureKeyIDs().isEmpty());
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for (long keyId : encryptionResult.getSignatureKeyIDs()) {
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assertTrue(BCUtil.keyRingContainsKeyWithId(senderPub, keyId));
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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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assertTrue(BCUtil.keyRingContainsKeyWithId(recipientPub, keyId));
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}
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assertEquals(SymmetricKeyAlgorithm.AES_256, encryptionResult.getSymmetricKeyAlgorithm());
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// Juliet trieth to comprehend Romeos words
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ByteArrayInputStream envelopeIn = new ByteArrayInputStream(encryptedSecretMessage);
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DecryptionStream decryptor = PGPainless.createDecryptor()
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.onInputStream(envelopeIn)
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.decryptWith(keyDecryptor, BCUtil.keyRingsToKeyRingCollection(recipientSec))
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.verifyWith(BCUtil.keyRingsToKeyRingCollection(senderPub))
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.ignoreMissingPublicKeys()
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.build();
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ByteArrayOutputStream decryptedSecretMessage = new ByteArrayOutputStream();
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Streams.pipeAll(decryptor, decryptedSecretMessage);
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decryptor.close();
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assertTrue(Arrays.equals(secretMessage, decryptedSecretMessage.toByteArray()));
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OpenPgpMetadata result = decryptor.getResult();
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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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}
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}
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