Package org.bouncycastle.crypto.params

Examples of org.bouncycastle.crypto.params.ParametersWithSBox

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        }
        else if (params instanceof GOST28147ParameterSpec)
        {
            GOST28147ParameterSpec    gost28147Param = (GOST28147ParameterSpec)params;

            param = new ParametersWithSBox(
                       new KeyParameter(key.getEncoded()), ((GOST28147ParameterSpec)params).getSbox());

            if (gost28147Param.getIV() != null && ivLength != 0)
            {
                param = new ParametersWithIV(param, gost28147Param.getIV());
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     * Standard constructor
     */
    public GOST3411Digest()
    {
        sBox = GOST28147Engine.getSBox("D-A");
        cipher.init(true, new ParametersWithSBox(null, sBox));

        reset();
    }
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     * @see GOST28147Engine#getSBox(String)
     */
    public GOST3411Digest(byte[] sBoxParam)
    {
        sBox = Arrays.clone(sBoxParam);
        cipher.init(true, new ParametersWithSBox(null, sBox));

        reset();
    }
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    public void reset(Memoable other)
    {
        GOST3411Digest t = (GOST3411Digest)other;

        this.sBox = t.sBox;
        cipher.init(true, new ParametersWithSBox(null, sBox));

        reset();

        System.arraycopy(t.H, 0, this.H, 0, t.H.length);
        System.arraycopy(t.L, 0, this.L, 0, t.L.length);
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        boolean           forEncryption,
        CipherParameters  params)
    {
        if (params instanceof ParametersWithSBox)
        {
            ParametersWithSBox   param = (ParametersWithSBox)params;

            //
            // Set the S-Box
            //
            byte[] sBox = param.getSBox();
            if (sBox.length != Sbox_Default.length)
            {
                throw new IllegalArgumentException("invalid S-box passed to GOST28147 init");
            }
            this.S = Arrays.clone(sBox);

            //
            // set key if there is one
            //
            if (param.getParameters() != null)
            {
                workingKey = generateWorkingKey(forEncryption,
                        ((KeyParameter)param.getParameters()).getKey());
            }
        }
        else if (params instanceof KeyParameter)
        {
            workingKey = generateWorkingKey(forEncryption,
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        boolean           forEncryption,
        CipherParameters  params)
    {
        if (params instanceof ParametersWithSBox)
        {
            ParametersWithSBox   param = (ParametersWithSBox)params;

            //
            // Set the S-Box
            //
            System.arraycopy(param.getSBox(), 0, this.S, 0, param.getSBox().length);
           
            //
            // set key if there is one
            //
            if (param.getParameters() != null)
            {
                workingKey = generateWorkingKey(forEncryption,
                        ((KeyParameter)param.getParameters()).getKey());
            }
        }
        else if (params instanceof KeyParameter)
        {
            workingKey = generateWorkingKey(forEncryption,
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        }
        else if (params instanceof GOST28147ParameterSpec)
        {
            GOST28147ParameterSpec    gost28147Param = (GOST28147ParameterSpec)params;

            param = new ParametersWithSBox(
                       new KeyParameter(key.getEncoded()), ((GOST28147ParameterSpec)params).getSbox());

            if (gost28147Param.getIV() != null && ivLength != 0)
            {
                param = new ParametersWithIV(param, gost28147Param.getIV());
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    /**
     * Standard constructor
     */
    public GOST3411Digest()
    {
        cipher.init(true, new ParametersWithSBox(null, GOST28147Engine.getSBox("D-A")));
       
        reset();
    }
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     * Copy constructor.  This will copy the state of the provided
     * message digest.
     */
    public GOST3411Digest(GOST3411Digest t)
    {
        cipher.init(true, new ParametersWithSBox(null, GOST28147Engine.getSBox("D-A")));
       
        reset();

        System.arraycopy(t.H, 0, this.H, 0, t.H.length);
        System.arraycopy(t.L, 0, this.L, 0, t.L.length);
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    {
        reset();
        buf = new byte[blockSize];
        if (params instanceof ParametersWithSBox)
        {
            ParametersWithSBox   param = (ParametersWithSBox)params;

            //
            // Set the S-Box
            //
            System.arraycopy(param.getSBox(), 0, this.S, 0, param.getSBox().length);

            //
            // set key if there is one
            //
            if (param.getParameters() != null)
            {
                workingKey = generateWorkingKey(((KeyParameter)param.getParameters()).getKey());
            }
        }
        else if (params instanceof KeyParameter)
        {
            workingKey = generateWorkingKey(((KeyParameter)params).getKey());
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Related Classes of org.bouncycastle.crypto.params.ParametersWithSBox

  • org.bouncycastle.crypto.digests.GOST3411Digest
  • org.bouncycastle.crypto.engines.GOST28147Engine
  • org.bouncycastle.crypto.macs.GOST28147Mac
  • org.bouncycastle.jcajce.provider.symmetric.util.BaseBlockCipher
  • org.bouncycastle.jce.provider.JCEBlockCipher
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