Examples of ThreefishCipher

org.bouncycastle.crypto.engines.ThreefishCipher

Examples of org.bouncycastle.crypto.engines.ThreefishCipher


    byte[] result;


    boolean basicTest256() {


        ThreefishCipher tfc = new ThreefishCipher();
        int stateSize = 256;


        // Key must match Threefish state size
        key = new byte[stateSize / 8];


        // For simple ECB mode length matches state size
        dataIn = new byte[stateSize / 8];
        dataOut = new byte[stateSize / 8];
        result = new byte[stateSize / 8];


        // Prepare first vector
        ByteLong.PutBytes(three_256_00_input, dataIn, 0, dataIn.length);
        ByteLong.PutBytes(three_256_00_key, key, 0, key.length);
        ByteLong.PutBytes(three_256_00_result, result, 0, result.length);


        ParametersForThreefish pft = new ParametersForThreefish(
                new KeyParameter(key), stateSize, three_256_00_tweak);
        
        // Encrypt and check
        tfc.init(true, pft);
        tfc.processBlock(dataIn, 0, dataOut, 0);


        if (!Arrays.equals(result, dataOut)) {
            hexdump("Wrong cipher text 256 00", dataOut, dataOut.length);
            return false;
        }
        // Decrypt and check
        tfc.init(false, pft);
        tfc.processBlock(dataOut, 0, result, 0);
        if (!Arrays.equals(dataIn, result)) {
            hexdump("Decrypt failed 256 00", result, result.length);
            return false;
        }
        // Next Vector
        ByteLong.PutBytes(three_256_01_input, dataIn, 0, dataIn.length);
        ByteLong.PutBytes(three_256_01_key, key, 0, key.length);
        ByteLong.PutBytes(three_256_01_result, result, 0, result.length);


        pft = new ParametersForThreefish(new KeyParameter(key), stateSize,
                three_256_01_tweak);


        // Encrypt and check
        tfc.init(true, pft);
        tfc.processBlock(dataIn, 0, dataOut, 0);


        // plaintext feed forward
        for (int i = 0; i < dataIn.length; i++)
            dataOut[i] ^= dataIn[i];


        if (!Arrays.equals(result, dataOut)) {
            hexdump("Wrong cipher text 256 01", dataOut, dataOut.length);
            return false;
        }
        // Decrypt and check
        // plaintext feed backward :-)
        for (int i = 0; i < dataIn.length; i++)
            dataOut[i] ^= dataIn[i];


        tfc.init(false, pft);
        tfc.processBlock(dataOut, 0, result, 0);
        if (!Arrays.equals(dataIn, result)) {
            hexdump("Decrypt failed 256 01", result, result.length);
            return false;
        }
        return true;

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Examples of org.bouncycastle.crypto.engines.ThreefishCipher

        return true;
    }


    boolean basicTest512() {


        ThreefishCipher tfc = new ThreefishCipher();
        int stateSize = 512;


        // Key must match Threefish state size
        key = new byte[stateSize / 8];


        // For simple ECB mode length matches state size
        dataIn = new byte[stateSize / 8];
        dataOut = new byte[stateSize / 8];
        result = new byte[stateSize / 8];


        // Prepare first vector
        ByteLong.PutBytes(three_512_00_input, dataIn, 0, dataIn.length);
        ByteLong.PutBytes(three_512_00_key, key, 0, key.length);
        ByteLong.PutBytes(three_512_00_result, result, 0, result.length);


        ParametersForThreefish pft = new ParametersForThreefish(
                new KeyParameter(key), stateSize, three_512_00_tweak);


        // Encrypt and check
        tfc.init(true, pft);
        tfc.processBlock(dataIn, 0, dataOut, 0);


        if (!Arrays.equals(result, dataOut)) {
            hexdump("Wrong cipher text 512 00", dataOut, dataOut.length);
            return false;
        }
        // Decrypt and check
        tfc.init(false, pft);
        tfc.processBlock(dataOut, 0, result, 0);
        if (!Arrays.equals(dataIn, result)) {
            hexdump("Decrypt failed 512 00", result, result.length);
            return false;
        }
        // Next vector
        ByteLong.PutBytes(three_512_01_input, dataIn, 0, dataIn.length);
        ByteLong.PutBytes(three_512_01_key, key, 0, key.length);
        ByteLong.PutBytes(three_512_01_result, result, 0, result.length);


        pft = new ParametersForThreefish(new KeyParameter(key), stateSize,
                three_512_01_tweak);
        tfc.init(true, pft);
        tfc.processBlock(dataIn, 0, dataOut, 0);


        // plaintext feed forward
        for (int i = 0; i < dataIn.length; i++)
            dataOut[i] ^= dataIn[i];


        if (!Arrays.equals(result, dataOut)) {
            hexdump("Wrong cipher text 512 01", dataOut, dataOut.length);
            return false;
        }
        // Decrypt and check
        // plaintext feed backward :-)
        for (int i = 0; i < dataIn.length; i++)
            dataOut[i] ^= dataIn[i];


        tfc.init(false, pft);
        tfc.processBlock(dataOut, 0, result, 0);
        if (!Arrays.equals(dataIn, result)) {
            hexdump("Decrypt failed 512 01", result, result.length);
            return false;
        }
        return true;

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Examples of org.bouncycastle.crypto.engines.ThreefishCipher

        return true;
    }


    boolean basicTest1024() {


        ThreefishCipher tfc = new ThreefishCipher();
        int stateSize = 1024;


        // Key must match Threefish state size
        key = new byte[stateSize / 8];


        // For simple ECB mode length matches state size
        dataIn = new byte[stateSize / 8];
        dataOut = new byte[stateSize / 8];
        result = new byte[stateSize / 8];


        // Prepare first vector
        ByteLong.PutBytes(three_1024_00_input, dataIn, 0, dataIn.length);
        ByteLong.PutBytes(three_1024_00_key, key, 0, key.length);
        ByteLong.PutBytes(three_1024_00_result, result, 0, result.length);


        ParametersForThreefish pft = new ParametersForThreefish(
                new KeyParameter(key), stateSize, three_1024_00_tweak);


        // Encrypt and check
        tfc.init(true, pft);
        tfc.processBlock(dataIn, 0, dataOut, 0);


        if (!Arrays.equals(result, dataOut)) {
            hexdump("Wrong cipher text 1024 00", dataOut, dataOut.length);
            return false;
        }
        // Decrypt and check
        tfc.init(false, pft);
        tfc.processBlock(dataOut, 0, result, 0);
        if (!Arrays.equals(dataIn, result)) {
            hexdump("Decrypt failed 1024 00", result, result.length);
            return false;
        }
        // Next vector
        ByteLong.PutBytes(three_1024_01_input, dataIn, 0, dataIn.length);
        ByteLong.PutBytes(three_1024_01_key, key, 0, key.length);
        ByteLong.PutBytes(three_1024_01_result, result, 0, result.length);


        pft = new ParametersForThreefish(new KeyParameter(key), stateSize,
                three_1024_01_tweak);
        tfc.init(true, pft);
        tfc.processBlock(dataIn, 0, dataOut, 0);


        // plaintext feed forward
        for (int i = 0; i < dataIn.length; i++)
            dataOut[i] ^= dataIn[i];


        if (!Arrays.equals(result, dataOut)) {
            hexdump("Wrong cipher text 1024 01", dataOut, dataOut.length);
            return false;
        }
        // Decrypt and check
        // plaintext feed backward :-)
        for (int i = 0; i < dataIn.length; i++)
            dataOut[i] ^= dataIn[i];


        tfc.init(false, pft);
        tfc.processBlock(dataOut, 0, result, 0);
        if (!Arrays.equals(dataIn, result)) {
            hexdump("Decrypt failed 1024 01", result, result.length);
            return false;
        }
        return true;

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Examples of org.bouncycastle.crypto.engines.ThreefishCipher

            ConfigString[1] = sourceHash.getHashSize();
        }


        void generateConfiguration()
        {
            ThreefishCipher cipher = ThreefishCipher.createCipher(stateSize);
            UbiTweak tweak = new UbiTweak();


            // Initialize the tweak value
            tweak.startNewBlockType(UbiTweak.Config);
            tweak.setFinalBlock(true);
            tweak.setBitsProcessed(32);


            cipher.setTweak(tweak.getTweak());
            cipher.encrypt(ConfigString, ConfigValue);


            ConfigValue[0] ^= ConfigString[0]; 
            ConfigValue[1] ^= ConfigString[1];
            ConfigValue[2] ^= ConfigString[2];
        }

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Examples of org.bouncycastle.crypto.engines.ThreefishCipher

            ConfigValue[2] ^= ConfigString[2];
        }


        void generateConfiguration(long[] initialState)
        {
            ThreefishCipher cipher = ThreefishCipher.createCipher(stateSize);
            UbiTweak tweak = new UbiTweak();


            // Initialize the tweak value
            tweak.startNewBlockType(UbiTweak.Config);
            tweak.setFinalBlock(true);
            tweak.setBitsProcessed(32);


            cipher.setKey(initialState);
            cipher.setTweak(tweak.getTweak());
            cipher.encrypt(ConfigString, ConfigValue);


            ConfigValue[0] ^= ConfigString[0];
            ConfigValue[1] ^= ConfigString[1];
            ConfigValue[2] ^= ConfigString[2];
        }

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