89 lines
4.0 KiB
Java
89 lines
4.0 KiB
Java
/**
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*
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* Copyright 2017 Paul Schaub
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*
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* This file is part of smack-omemo-signal.
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*
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* smack-omemo-signal 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, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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package org.jivesoftware.smack.omemo;
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import org.bouncycastle.jce.provider.BouncyCastleProvider;
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import org.jivesoftware.smack.test.util.SmackTestSuite;
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import org.jivesoftware.smack.util.StringUtils;
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import org.jivesoftware.smackx.omemo.util.OmemoMessageBuilder;
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import org.junit.Test;
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import org.whispersystems.libsignal.IdentityKey;
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import org.whispersystems.libsignal.IdentityKeyPair;
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import org.whispersystems.libsignal.SessionCipher;
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import org.whispersystems.libsignal.SignalProtocolAddress;
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import org.whispersystems.libsignal.ecc.ECPublicKey;
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import org.whispersystems.libsignal.state.PreKeyBundle;
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import org.whispersystems.libsignal.state.PreKeyRecord;
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import org.whispersystems.libsignal.state.SessionRecord;
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import org.whispersystems.libsignal.state.SignedPreKeyRecord;
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import javax.crypto.BadPaddingException;
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import javax.crypto.Cipher;
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import javax.crypto.IllegalBlockSizeException;
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import javax.crypto.NoSuchPaddingException;
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import javax.crypto.SecretKey;
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import javax.crypto.spec.IvParameterSpec;
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import javax.crypto.spec.SecretKeySpec;
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import java.io.UnsupportedEncodingException;
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import java.security.InvalidAlgorithmParameterException;
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import java.security.InvalidKeyException;
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import java.security.NoSuchAlgorithmException;
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import java.security.NoSuchProviderException;
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import java.security.Security;
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import static org.jivesoftware.smackx.omemo.util.OmemoConstants.Crypto.CIPHERMODE;
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import static org.jivesoftware.smackx.omemo.util.OmemoConstants.Crypto.KEYTYPE;
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import static org.jivesoftware.smackx.omemo.util.OmemoConstants.Crypto.PROVIDER;
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import static org.junit.Assert.assertArrayEquals;
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/**
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* Test the OmemoMessageBuilder.
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*/
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public class OmemoMessageBuilderTest extends SmackTestSuite {
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@Test
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public void setTextTest() throws NoSuchAlgorithmException, NoSuchPaddingException, InvalidAlgorithmParameterException, UnsupportedEncodingException, IllegalBlockSizeException, BadPaddingException, NoSuchProviderException, InvalidKeyException {
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Security.addProvider(new BouncyCastleProvider());
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String message = "Hello World!";
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byte[] key = OmemoMessageBuilder.generateKey();
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byte[] iv = OmemoMessageBuilder.generateIv();
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SecretKey secretKey = new SecretKeySpec(key, KEYTYPE);
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IvParameterSpec ivSpec = new IvParameterSpec(iv);
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Cipher cipher = Cipher.getInstance(CIPHERMODE, PROVIDER);
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cipher.init(Cipher.ENCRYPT_MODE, secretKey, ivSpec);
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OmemoMessageBuilder<IdentityKeyPair, IdentityKey, PreKeyRecord, SignedPreKeyRecord, SessionRecord, SignalProtocolAddress, ECPublicKey, PreKeyBundle, SessionCipher>
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mb = new OmemoMessageBuilder<>(null, null, key, iv);
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mb.setMessage(message);
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byte[] expected = cipher.doFinal(message.getBytes(StringUtils.UTF8));
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byte[] messageKey = new byte[16];
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System.arraycopy(mb.getMessageKey(),0, messageKey, 0, 16);
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byte[] messagePlusTag = new byte[mb.getCiphertextMessage().length + 16];
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System.arraycopy(mb.getCiphertextMessage(),0,messagePlusTag,0,mb.getCiphertextMessage().length);
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System.arraycopy(mb.getMessageKey(), 16, messagePlusTag, mb.getCiphertextMessage().length, 16);
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assertArrayEquals(key, messageKey);
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assertArrayEquals(expected, messagePlusTag);
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}
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}
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