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  3. org.bouncycastle.crypto.engines.ChaChaEngine

Java 类org.bouncycastle.crypto.engines.ChaChaEngine 实例源码

项目：gwt-crypto    文件：Chacha20Poly1305.java    
protected KeyParameter initRecordMAC(ChaChaEngine cipher, boolean forEncryption, long seqNo)
{
    byte[] nonce = new byte[8];
    TlsUtils.writeUint64(seqNo, nonce, 0);

    cipher.init(forEncryption, new ParametersWithIV(null, nonce));

    byte[] firstBlock = new byte[64];
    cipher.processBytes(firstBlock, 0, firstBlock.length, firstBlock, 0);

    // NOTE: The BC implementation puts 'r' after 'k'
    System.arraycopy(firstBlock, 0, firstBlock, 32, 16);
    KeyParameter macKey = new KeyParameter(firstBlock, 16, 32);
    Poly1305KeyGenerator.clamp(macKey.getKey());
    return macKey;
}
项目：gwt-crypto    文件：ChaChaTest.java    
private void reinitBug()
{
    KeyParameter key = new KeyParameter(Hex.decode("80000000000000000000000000000000"));
    ParametersWithIV parameters = new ParametersWithIV(key, Hex.decode("0000000000000000"));

    StreamCipher salsa = new ChaChaEngine();

    salsa.init(true, parameters);

    try
    {
        salsa.init(true, key);
        fail("Salsa20 should throw exception if no IV in Init");
    }
    catch (IllegalArgumentException e)
    {
    }
}
项目：gwt-crypto    文件：StreamCipherResetTest.java    
public void performTest()
    throws Exception
{
    testReset(new Salsa20Engine(), new Salsa20Engine(), new ParametersWithIV(new KeyParameter(random(32)),
        random(8)));
    testReset(new Salsa20Engine(), new Salsa20Engine(), new ParametersWithIV(new KeyParameter(random(16)),
        random(8)));
    testReset(new XSalsa20Engine(), new XSalsa20Engine(), new ParametersWithIV(new KeyParameter(random(32)),
        random(24)));
    testReset(new ChaChaEngine(), new ChaChaEngine(), new ParametersWithIV(new KeyParameter(random(32)), random(8)));
    testReset(new ChaChaEngine(), new ChaChaEngine(), new ParametersWithIV(new KeyParameter(random(16)), random(8)));
    testReset(new RC4Engine(), new RC4Engine(), new KeyParameter(random(16)));
    testReset(new ISAACEngine(), new ISAACEngine(), new KeyParameter(random(16)));
    testReset(new HC128Engine(), new HC128Engine(), new ParametersWithIV(new KeyParameter(random(16)), random(16)));
    testReset(new HC256Engine(), new HC256Engine(), new ParametersWithIV(new KeyParameter(random(16)), random(16)));
    testReset(new Grainv1Engine(), new Grainv1Engine(), new ParametersWithIV(new KeyParameter(random(16)),
        random(8)));
    testReset(new Grain128Engine(), new Grain128Engine(), new ParametersWithIV(new KeyParameter(random(16)),
        random(12)));
}
项目：Aki-SSL    文件：Chacha20Poly1305.java    
protected KeyParameter initRecordMAC(ChaChaEngine cipher, boolean forEncryption, long seqNo)
{
    byte[] nonce = new byte[8];
    TlsUtils.writeUint64(seqNo, nonce, 0);

    cipher.init(forEncryption, new ParametersWithIV(null, nonce));

    byte[] firstBlock = new byte[64];
    cipher.processBytes(firstBlock, 0, firstBlock.length, firstBlock, 0);

    // NOTE: The BC implementation puts 'r' after 'k'
    System.arraycopy(firstBlock, 0, firstBlock, 32, 16);
    KeyParameter macKey = new KeyParameter(firstBlock, 16, 32);
    Poly1305KeyGenerator.clamp(macKey.getKey());
    return macKey;
}
项目：TinyTravelTracker    文件：Chacha20Poly1305.java    
protected KeyParameter initRecordMAC(ChaChaEngine cipher, boolean forEncryption, long seqNo)
{
    byte[] nonce = new byte[8];
    TlsUtils.writeUint64(seqNo, nonce, 0);

    cipher.init(forEncryption, new ParametersWithIV(null, nonce));

    byte[] firstBlock = new byte[64];
    cipher.processBytes(firstBlock, 0, firstBlock.length, firstBlock, 0);

    // NOTE: The BC implementation puts 'r' after 'k'
    System.arraycopy(firstBlock, 0, firstBlock, 32, 16);
    KeyParameter macKey = new KeyParameter(firstBlock, 16, 32);
    Poly1305KeyGenerator.clamp(macKey.getKey());
    return macKey;
}
项目：irma_future_id    文件：ChaChaTest.java    
private void reinitBug()
{
    KeyParameter key = new KeyParameter(Hex.decode("80000000000000000000000000000000"));
    ParametersWithIV parameters = new ParametersWithIV(key, Hex.decode("0000000000000000"));

    StreamCipher salsa = new ChaChaEngine();

    salsa.init(true, parameters);

    try
    {
        salsa.init(true, key);
        fail("Salsa20 should throw exception if no IV in Init");
    }
    catch (IllegalArgumentException e)
    {
    }
}
项目：ss-java    文件：SodiumCrypto.java    
@Override
protected StreamCipher getCipher() {
    String method = getMethod();
    switch (method) {
        case CIPHER_SALSA20:
            return new Salsa20Engine();
        case CIPHER_CHACHA20:
            return new ChaChaEngine();
        default:
            throw new IllegalArgumentException(method);
    }
}
项目：ss-android    文件：Chacha20Crypt.java    
@Override
protected StreamCipher getCipher(boolean isEncrypted) throws InvalidAlgorithmParameterException {
    if (_name.equals(CIPHER_CHACHA20)) {
        return new ChaChaEngine();
    }
    else if (_name.equals(CIPHER_CHACHA20_IETF)) {
        return new ChaCha7539Engine();
    }
    return null;
}
项目：gwt-crypto    文件：Chacha20Poly1305.java    
public Chacha20Poly1305(TlsContext context) throws IOException
{
    if (!TlsUtils.isTLSv12(context))
    {
        throw new TlsFatalAlert(AlertDescription.internal_error);
    }

    this.context = context;

    byte[] key_block = TlsUtils.calculateKeyBlock(context, 64);

    KeyParameter client_write_key = new KeyParameter(key_block, 0, 32);
    KeyParameter server_write_key = new KeyParameter(key_block, 32, 32);

    this.encryptCipher = new ChaChaEngine(20);
    this.decryptCipher = new ChaChaEngine(20);

    KeyParameter encryptKey, decryptKey;
    if (context.isServer())
    {
        encryptKey = server_write_key;
        decryptKey = client_write_key;
    }
    else
    {
        encryptKey = client_write_key;
        decryptKey = server_write_key;
    }

    byte[] dummyNonce = new byte[8];

    this.encryptCipher.init(true, new ParametersWithIV(encryptKey, dummyNonce));
    this.decryptCipher.init(false, new ParametersWithIV(decryptKey, dummyNonce));
}
项目：gwt-crypto    文件：ChaChaTest.java    
private void chachaTest2(CipherParameters params, String v0, String v65472, String v65536)
{
    StreamCipher chaCha = new ChaChaEngine();
    byte[]       buf = new byte[64];

    chaCha.init(true, params);

    for (int i = 0; i != 1025; i++)
    {
        chaCha.processBytes(zeroes, 0, 64, buf, 0);
        switch (i)
        {
        case 0:
            if (!areEqual(buf, Hex.decode(v0)))
            {
                mismatch("v0", v0, buf);
            }
            break;
        case 1023:
            if (!areEqual(buf, Hex.decode(v65472)))
            {
                mismatch("v65472", v65472, buf);
            }
            break;
        case 1024:
            if (!areEqual(buf, Hex.decode(v65536)))
            {
                mismatch("v65536", v65536, buf);
            }
            break;
        default:
            // ignore
        }
    }
}
项目：gwt-crypto    文件：CipherStreamTest.java    
private void performTests()
    throws Exception
{
    testModes(new BlowfishEngine(), new BlowfishEngine(), 16);
    testModes(new DESEngine(), new DESEngine(), 8);
    testModes(new DESedeEngine(), new DESedeEngine(), 24);
    testModes(new TEAEngine(), new TEAEngine(), 16);
    testModes(new CAST5Engine(), new CAST5Engine(), 16);
    testModes(new RC2Engine(), new RC2Engine(), 16);
    testModes(new XTEAEngine(), new XTEAEngine(), 16);

    testModes(new AESEngine(), new AESEngine(), 16);
    testModes(new NoekeonEngine(), new NoekeonEngine(), 16);
    testModes(new TwofishEngine(), new TwofishEngine(), 16);
    testModes(new CAST6Engine(), new CAST6Engine(), 16);
    testModes(new SEEDEngine(), new SEEDEngine(), 16);
    testModes(new SerpentEngine(), new SerpentEngine(), 16);
    testModes(new RC6Engine(), new RC6Engine(), 16);
    testModes(new CamelliaEngine(), new CamelliaEngine(), 16);
    testModes(new ThreefishEngine(ThreefishEngine.BLOCKSIZE_512),
        new ThreefishEngine(ThreefishEngine.BLOCKSIZE_512), 64);

    testMode(new RC4Engine(), new KeyParameter(new byte[16]));
    testMode(new Salsa20Engine(), new ParametersWithIV(new KeyParameter(new byte[16]), new byte[8]));
    testMode(new XSalsa20Engine(), new ParametersWithIV(new KeyParameter(new byte[32]), new byte[24]));
    testMode(new ChaChaEngine(), new ParametersWithIV(new KeyParameter(new byte[16]), new byte[8]));
    testMode(new Grainv1Engine(), new ParametersWithIV(new KeyParameter(new byte[16]), new byte[8]));
    testMode(new Grain128Engine(), new ParametersWithIV(new KeyParameter(new byte[16]), new byte[12]));
    testMode(new HC128Engine(), new KeyParameter(new byte[16]));
    testMode(new HC256Engine(), new ParametersWithIV(new KeyParameter(new byte[16]), new byte[16]));

    testSkipping(new Salsa20Engine(), new ParametersWithIV(new KeyParameter(new byte[16]), new byte[8]));
    testSkipping(new SICBlockCipher(new AESEngine()), new ParametersWithIV(new KeyParameter(new byte[16]), new byte[16]));
}
项目：Aki-SSL    文件：Chacha20Poly1305.java    
public Chacha20Poly1305(TlsContext context) throws IOException
{
    if (!TlsUtils.isTLSv12(context))
    {
        throw new TlsFatalAlert(AlertDescription.internal_error);
    }

    this.context = context;

    byte[] key_block = TlsUtils.calculateKeyBlock(context, 64);

    KeyParameter client_write_key = new KeyParameter(key_block, 0, 32);
    KeyParameter server_write_key = new KeyParameter(key_block, 32, 32);

    this.encryptCipher = new ChaChaEngine(20);
    this.decryptCipher = new ChaChaEngine(20);

    KeyParameter encryptKey, decryptKey;
    if (context.isServer())
    {
        encryptKey = server_write_key;
        decryptKey = client_write_key;
    }
    else
    {
        encryptKey = client_write_key;
        decryptKey = server_write_key;
    }

    byte[] dummyNonce = new byte[8];

    this.encryptCipher.init(true, new ParametersWithIV(encryptKey, dummyNonce));
    this.decryptCipher.init(false, new ParametersWithIV(decryptKey, dummyNonce));
}
项目：TinyTravelTracker    文件：Chacha20Poly1305.java    
public Chacha20Poly1305(TlsContext context) throws IOException
{
    if (!TlsUtils.isTLSv12(context))
    {
        throw new TlsFatalAlert(AlertDescription.internal_error);
    }

    this.context = context;

    byte[] key_block = TlsUtils.calculateKeyBlock(context, 64);

    KeyParameter client_write_key = new KeyParameter(key_block, 0, 32);
    KeyParameter server_write_key = new KeyParameter(key_block, 32, 32);

    this.encryptCipher = new ChaChaEngine(20);
    this.decryptCipher = new ChaChaEngine(20);

    KeyParameter encryptKey, decryptKey;
    if (context.isServer())
    {
        encryptKey = server_write_key;
        decryptKey = client_write_key;
    }
    else
    {
        encryptKey = client_write_key;
        decryptKey = server_write_key;
    }

    byte[] dummyNonce = new byte[8];

    this.encryptCipher.init(true, new ParametersWithIV(encryptKey, dummyNonce));
    this.decryptCipher.init(false, new ParametersWithIV(decryptKey, dummyNonce));
}
项目：ChaCha20    文件：TestChaCha20.java    
protected byte[] bouncyCastle(byte[] plain, byte[] key, byte[] nonce) {
    StreamCipher chaCha = new ChaChaEngine(20);
    chaCha.init(true, new ParametersWithIV(new KeyParameter(key), nonce));
    byte[] buf = new byte[plain.length];
    chaCha.processBytes(plain, 0, plain.length, buf, 0);
    return buf;
}
项目：HAP-Java    文件：ChachaDecoder.java    
private KeyParameter initRecordMAC(ChaChaEngine cipher)
{
    byte[] firstBlock = new byte[64];
    cipher.processBytes(firstBlock, 0, firstBlock.length, firstBlock, 0);

    // NOTE: The BC implementation puts 'r' after 'k'
    System.arraycopy(firstBlock, 0, firstBlock, 32, 16);
    KeyParameter macKey = new KeyParameter(firstBlock, 16, 32);
    Poly1305KeyGenerator.clamp(macKey.getKey());
    return macKey;
}
项目：HAP-Java    文件：ChachaEncoder.java    
private KeyParameter initRecordMAC(ChaChaEngine cipher)
{
    byte[] firstBlock = new byte[64];
    cipher.processBytes(firstBlock, 0, firstBlock.length, firstBlock, 0);

    // NOTE: The BC implementation puts 'r' after 'k'
    System.arraycopy(firstBlock, 0, firstBlock, 32, 16);
    KeyParameter macKey = new KeyParameter(firstBlock, 16, 32);
    Poly1305KeyGenerator.clamp(macKey.getKey());
    return macKey;
}
项目：irma_future_id    文件：ChaChaTest.java    
private void chachaTest2(CipherParameters params, String v0, String v65472, String v65536)
{
    StreamCipher salsa = new ChaChaEngine();
    byte[]       buf = new byte[64];

    salsa.init(true, params);

    for (int i = 0; i != 1025; i++)
    {
        salsa.processBytes(zeroes, 0, 64, buf, 0);
        switch (i)
        {
        case 0:
            if (!areEqual(buf, Hex.decode(v0)))
            {
                mismatch("v0", v0, buf);
            }
            break;
        case 1023:
            if (!areEqual(buf, Hex.decode(v65472)))
            {
                mismatch("v65472", v65472, buf);
            }
            break;
        case 1024:
            if (!areEqual(buf, Hex.decode(v65536)))
            {
                mismatch("v65536", v65536, buf);
            }
            break;
        default:
            // ignore
        }
    }
}
项目：archistar-smc    文件：ChaCha20Encryptor.java    
@Override
public byte[] encrypt(byte[] data, byte[] randomKeyBytes) throws IOException, InvalidKeyException,
        InvalidAlgorithmParameterException, InvalidCipherTextException {

    ChaChaEngine cipher = new ChaChaEngine();
    cipher.init(true, new ParametersWithIV(new KeyParameter(randomKeyBytes), randomIvBytes));

    byte[] result = new byte[data.length];
    cipher.processBytes(data, 0, data.length, result, 0);
    return result;
}
项目：archistar-smc    文件：ChaCha20Encryptor.java    
@Override
public byte[] decrypt(byte[] data, byte[] randomKeyBytes)
        throws InvalidKeyException, InvalidAlgorithmParameterException, IOException,
        IllegalStateException, InvalidCipherTextException {

    ChaChaEngine cipher = new ChaChaEngine();
    cipher.init(false, new ParametersWithIV(new KeyParameter(randomKeyBytes), randomIvBytes));

    byte[] result = new byte[data.length];
    cipher.processBytes(data, 0, data.length, result, 0);
    return result;
}
项目：archistar-smc    文件：ChaCha20Encryptor.java    
/**
 * Special method to decrypt partial data
 *
 * @param data to decrypt
 * @param randomKeyBytes key to use
 * @param startingByte the starting position within the (complete) data
 * @return decrypted data
 */
public byte[] decrypt(byte[] data, byte[] randomKeyBytes, long startingByte) {

    ChaChaEngine cipher = new ChaChaEngine();
    cipher.init(false, new ParametersWithIV(new KeyParameter(randomKeyBytes), randomIvBytes));
    cipher.skip(startingByte);
    byte[] result = new byte[data.length];
    cipher.processBytes(data, 0, data.length, result, 0);
    return result;
}
项目：gwt-crypto    文件：ChaChaTest.java    
private void chachaTest1(int rounds, CipherParameters params, String v0, String v192, String v256, String v448)
{
    StreamCipher chaCha = new ChaChaEngine(rounds);
    byte[]       buf = new byte[64];

    chaCha.init(true, params);

    for (int i = 0; i != 7; i++)
    {
        chaCha.processBytes(zeroes, 0, 64, buf, 0);
        switch (i)
        {
        case 0:
            if (!areEqual(buf, Hex.decode(v0)))
            {
                mismatch("v0/" + rounds, v0, buf);
            }
            break;
        case 3:
            if (!areEqual(buf, Hex.decode(v192)))
            {
                mismatch("v192/" + rounds, v192, buf);
            }
            break;
        case 4:
            if (!areEqual(buf, Hex.decode(v256)))
            {
                mismatch("v256/" + rounds, v256, buf);
            }
            break;
        default:
            // ignore
        }
    }

    for (int i = 0; i != 64; i++)
    {
        buf[i] = chaCha.returnByte(zeroes[i]);
    }

    if (!areEqual(buf, Hex.decode(v448)))
    {
        mismatch("v448", v448, buf);
    }       
}
项目：Aki-SSL    文件：ChaCha.java    
public Base()
{
    super(new ChaChaEngine(), 8);
}
项目：socks-server    文件：Chacha20Crypt.java    
@Override
protected StreamCipher getCipher(boolean isEncrypted) throws InvalidAlgorithmParameterException {
    StreamCipher engine = new ChaChaEngine();
    return engine;
}
项目：CryptMeme    文件：ChaCha.java    
public Base()
{
    super(new ChaChaEngine(), 8);
}
项目：irma_future_id    文件：ChaChaTest.java    
private void chachaTest1(int rounds, CipherParameters params, String v0, String v192, String v256, String v448)
{
    StreamCipher salsa = new ChaChaEngine(rounds);
    byte[]       buf = new byte[64];

    salsa.init(true, params);

    for (int i = 0; i != 7; i++)
    {
        salsa.processBytes(zeroes, 0, 64, buf, 0);
        switch (i)
        {
        case 0:
            if (!areEqual(buf, Hex.decode(v0)))
            {
                mismatch("v0/" + rounds, v0, buf);
            }
            break;
        case 3:
            if (!areEqual(buf, Hex.decode(v192)))
            {
                mismatch("v192/" + rounds, v192, buf);
            }
            break;
        case 4:
            if (!areEqual(buf, Hex.decode(v256)))
            {
                mismatch("v256/" + rounds, v256, buf);
            }
            break;
        default:
            // ignore
        }
    }

    for (int i = 0; i != 64; i++)
    {
        buf[i] = salsa.returnByte(zeroes[i]);
    }

    if (!areEqual(buf, Hex.decode(v448)))
    {
        mismatch("v448", v448, buf);
    }       
}
项目：irma_future_id    文件：ChaCha.java    
public Base()
{
    super(new ChaChaEngine(), 8);
}
项目：HAP-Java    文件：ChachaDecoder.java    
public ChachaDecoder(byte[] key, byte[] nonce) throws IOException {

       this.decryptCipher = new ChaChaEngine(20);

       this.decryptCipher.init(false, new ParametersWithIV(new KeyParameter(key), nonce));


}
项目：HAP-Java    文件：ChachaEncoder.java    
public ChachaEncoder(byte[] key, byte[] nonce) throws IOException {

       this.encryptCipher = new ChaChaEngine(20);

       this.encryptCipher.init(true, new ParametersWithIV(new KeyParameter(key), nonce));


}