Examples of BlockCipher

Examples of org.bouncycastle.crypto.BlockCipher

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        private final BufferedBlockCipher c;

        MyPGPDataEncryptor(byte[] keyBytes)
            throws PGPException
        {
            BlockCipher engine = BcImplProvider.createBlockCipher(encAlgorithm);

            try
            {
                c = BcUtil.createStreamCipher(true, engine, withIntegrityPacket, keyBytes);
            }
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Examples of org.bouncycastle.crypto.BlockCipher

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    {
        try
        {
            if (secKeyData != null && secKeyData.length > 0)
            {
                BlockCipher engine = BcImplProvider.createBlockCipher(keyAlgorithm);
                BufferedBlockCipher cipher = BcUtil.createSymmetricKeyWrapper(false, engine, key, new byte[engine.getBlockSize()]);

                byte[] out = new byte[secKeyData.length];

                int len = cipher.processBytes(secKeyData, 0, secKeyData.length, out, 0);
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Examples of org.bouncycastle2.crypto.BlockCipher

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                buf[i] ^= block[i - blockSize];
            }

            if (cipher instanceof CBCBlockCipher)
            {
                BlockCipher c = ((CBCBlockCipher)cipher).getUnderlyingCipher();

                c.processBlock(buf, blockSize, out, outOff);
            }
            else
            {
                cipher.processBlock(buf, blockSize, out, outOff);
            }

            System.arraycopy(block, 0, out, outOff + blockSize, len);
        }
        else
        {
            byte[]  lastBlock = new byte[blockSize];

            if (cipher instanceof CBCBlockCipher)
            {
                BlockCipher c = ((CBCBlockCipher)cipher).getUnderlyingCipher();

                c.processBlock(buf, 0, block, 0);
            }
            else
            {
                cipher.processBlock(buf, 0, block, 0);
            }
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Examples of org.h2.security.BlockCipher

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        assertEquals(expected, hash);
    }

    private static void testXTEA() {
        byte[] test = new byte[4096];
        BlockCipher xtea = CipherFactory.getBlockCipher("XTEA");
        xtea.setKey("abcdefghijklmnop".getBytes());
        for (int i = 0; i < 10; i++) {
            xtea.decrypt(test, 0, test.length);
        }
    }
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Examples of org.h2.security.BlockCipher

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            xtea.decrypt(test, 0, test.length);
        }
    }

    private void testAES() {
        BlockCipher test = CipherFactory.getBlockCipher("AES");

        String r;
        byte[] data;

        // test vector from
        // http://csrc.nist.gov/groups/STM/cavp/documents/aes/KAT_AES.zip
        // ECBVarTxt128e.txt
        // COUNT = 0
        test.setKey(StringUtils.convertHexToBytes("00000000000000000000000000000000"));
        data = StringUtils.convertHexToBytes("80000000000000000000000000000000");
        test.encrypt(data, 0, data.length);
        r = StringUtils.convertBytesToHex(data);
        assertEquals("3ad78e726c1ec02b7ebfe92b23d9ec34", r);

        // COUNT = 127
        test.setKey(StringUtils.convertHexToBytes("00000000000000000000000000000000"));
        data = StringUtils.convertHexToBytes("ffffffffffffffffffffffffffffffff");
        test.encrypt(data, 0, data.length);
        r = StringUtils.convertBytesToHex(data);
        assertEquals("3f5b8cc9ea855a0afa7347d23e8d664e", r);

        // test vector
        test.setKey(StringUtils.convertHexToBytes("2b7e151628aed2a6abf7158809cf4f3c"));
        data = StringUtils.convertHexToBytes("6bc1bee22e409f96e93d7e117393172a");
        test.encrypt(data, 0, data.length);
        r = StringUtils.convertBytesToHex(data);
        assertEquals("3ad77bb40d7a3660a89ecaf32466ef97", r);

        test.setKey(StringUtils.convertHexToBytes("000102030405060708090A0B0C0D0E0F"));
        byte[] in = new byte[128];
        byte[] enc = new byte[128];
        test.encrypt(enc, 0, 128);
        test.decrypt(enc, 0, 128);
        if (Utils.compareNotNull(in, enc) != 0) {
            throw new AssertionError();
        }

        for (int i = 0; i < 10; i++) {
            test.encrypt(in, 0, 128);
            test.decrypt(enc, 0, 128);
        }
    }
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Examples of org.h2.security.BlockCipher

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        System.arraycopy(data, 0, newData, 0, data.length);
        return newData;
    }

    private static byte[] decrypt(String algorithm, byte[] key, byte[] data) {
        BlockCipher cipher = CipherFactory.getBlockCipher(algorithm);
        byte[] newKey = getPaddedArrayCopy(key, cipher.getKeyLength());
        cipher.setKey(newKey);
        byte[] newData = getPaddedArrayCopy(data, BlockCipher.ALIGN);
        cipher.decrypt(newData, 0, newData.length);
        return newData;
    }
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Examples of org.h2.security.BlockCipher

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        cipher.decrypt(newData, 0, newData.length);
        return newData;
    }

    private static byte[] encrypt(String algorithm, byte[] key, byte[] data) {
        BlockCipher cipher = CipherFactory.getBlockCipher(algorithm);
        byte[] newKey = getPaddedArrayCopy(key, cipher.getKeyLength());
        cipher.setKey(newKey);
        byte[] newData = getPaddedArrayCopy(data, BlockCipher.ALIGN);
        cipher.encrypt(newData, 0, newData.length);
        return newData;
    }
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Examples of org.h2.security.BlockCipher

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        System.arraycopy(data, 0, newData, 0, data.length);
        return newData;
    }

    private static byte[] decrypt(String algorithm, byte[] key, byte[] data) {
        BlockCipher cipher = CipherFactory.getBlockCipher(algorithm);
        byte[] newKey = getPaddedArrayCopy(key, cipher.getKeyLength());
        cipher.setKey(newKey);
        byte[] newData = getPaddedArrayCopy(data, BlockCipher.ALIGN);
        cipher.decrypt(newData, 0, newData.length);
        return newData;
    }
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Examples of org.h2.security.BlockCipher

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        cipher.decrypt(newData, 0, newData.length);
        return newData;
    }

    private static byte[] encrypt(String algorithm, byte[] key, byte[] data) {
        BlockCipher cipher = CipherFactory.getBlockCipher(algorithm);
        byte[] newKey = getPaddedArrayCopy(key, cipher.getKeyLength());
        cipher.setKey(newKey);
        byte[] newData = getPaddedArrayCopy(data, BlockCipher.ALIGN);
        cipher.encrypt(newData, 0, newData.length);
        return newData;
    }
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Examples of org.h2.security.BlockCipher

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        cipher.decrypt(newData, 0, newData.length);
        return newData;
    }

    private static byte[] encrypt(String algorithm, byte[] key, byte[] data) {
        BlockCipher cipher = CipherFactory.getBlockCipher(algorithm);
        byte[] newKey = getPaddedArrayCopy(key, cipher.getKeyLength());
        cipher.setKey(newKey);
        byte[] newData = getPaddedArrayCopy(data, BlockCipher.ALIGN);
        cipher.encrypt(newData, 0, newData.length);
        return newData;
    }
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