Package org.bouncycastle2.crypto.params

Examples of org.bouncycastle2.crypto.params.KeyParameter

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            if (targetAlgorithm.startsWith("DES"))
            {
                if (param instanceof ParametersWithIV)
                {
                    KeyParameter    kParam = (KeyParameter)((ParametersWithIV)param).getParameters();

                    setOddParity(kParam.getKey());
                }
                else
                {
                    KeyParameter    kParam = (KeyParameter)param;

                    setOddParity(kParam.getKey());
                }
            }

            for (int i = 0; i != key.length; i++)
            {
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        }
       
        _forEncryption = forEncryption;
        _initialised = true;
       
        KeyParameter       p = (KeyParameter)params;
       
        setKey(p.getKey());
    }
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                ivParam = (ParametersWithIV)param;
            }
        }
        else if (params == null)
        {
            param = new KeyParameter(key.getEncoded());
        }
        else if (params instanceof IvParameterSpec)
        {
            if (ivLength != 0)
            {
                IvParameterSpec p = (IvParameterSpec)params;

                if (p.getIV().length != ivLength && !isAEADModeName(modeName))
                {
                    throw new InvalidAlgorithmParameterException("IV must be " + ivLength + " bytes long.");
                }

                param = new ParametersWithIV(new KeyParameter(key.getEncoded()), p.getIV());
                ivParam = (ParametersWithIV)param;
            }
            else
            {
                if (modeName != null && modeName.equals("ECB"))
                {
                    throw new InvalidAlgorithmParameterException("ECB mode does not use an IV");
                }
               
                param = new KeyParameter(key.getEncoded());
            }
        }
        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());
                ivParam = (ParametersWithIV)param;
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        int     inLen,
        byte[]  z)
        throws InvalidCipherTextException
    {
        byte[]          C = null;
        KeyParameter    macKey = null;
        KDFParameters   kParam = new KDFParameters(z, param.getDerivationV());
        int             c_text_length = 0;
        int             macKeySize = param.getMacKeySize();

        if (cipher == null)     // stream mode
        {
            byte[] buf = generateKdfBytes(kParam, inLen + (macKeySize / 8));

            C = new byte[inLen + mac.getMacSize()];
            c_text_length = inLen;

            for (int i = 0; i != inLen; i++)
            {
                C[i] = (byte)(in[inOff + i] ^ buf[i]);
            }

            macKey = new KeyParameter(buf, inLen, (macKeySize / 8));
        }
        else
        {
            int    cipherKeySize = ((IESWithCipherParameters)param).getCipherKeySize();
            byte[] buf = generateKdfBytes(kParam, (cipherKeySize / 8) + (macKeySize / 8));

            cipher.init(true, new KeyParameter(buf, 0, (cipherKeySize / 8)));

            c_text_length = cipher.getOutputSize(inLen);

            byte[] tmp = new byte[c_text_length];

            int len = cipher.processBytes(in, inOff, inLen, tmp, 0);

            len += cipher.doFinal(tmp, len);

            C = new byte[len + mac.getMacSize()];
            c_text_length = len;

            System.arraycopy(tmp, 0, C, 0, len);

            macKey = new KeyParameter(buf, (cipherKeySize / 8), (macKeySize / 8));
        }

        byte[]  macIV = param.getEncodingV();

        mac.init(macKey);
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        if (!(params instanceof KeyParameter))
        {
            throw new IllegalArgumentException("invalid parameter passed to RC6 init - " + params.getClass().getName());
        }

        KeyParameter       p = (KeyParameter)params;
        this.forEncryption = forEncryption;
        setKey(p.getKey());
    }
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            throw new IllegalArgumentException(
                "VMPC init parameters must include an IV");
        }

        ParametersWithIV ivParams = (ParametersWithIV) params;
        KeyParameter key = (KeyParameter) ivParams.getParameters();

        if (!(ivParams.getParameters() instanceof KeyParameter))
        {
            throw new IllegalArgumentException(
                "VMPC init parameters must include a key");
        }

        this.workingIV = ivParams.getIV();

        if (workingIV == null || workingIV.length < 1 || workingIV.length > 768)
        {
            throw new IllegalArgumentException("VMPC requires 1 to 768 bytes of IV");
        }

        this.workingKey = key.getKey();

        initKey(this.workingKey, this.workingIV);
    }
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        }

        _forEncryption = forEncryption;
        _initialised = true;

        KeyParameter       p = (KeyParameter)params;

        setKey(p.getKey());
    }
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    public byte[] getEncoded()
    {
        if (param != null)
        {
            KeyParameter    kParam;
           
            if (param instanceof ParametersWithIV)
            {
                kParam = (KeyParameter)((ParametersWithIV)param).getParameters();
            }
            else
            {
                kParam = (KeyParameter)param;
            }
           
            return kParam.getKey();
        }
        else
        {
            if (type == PBE.PKCS12)
            {
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        if (!(ivParams.getParameters() instanceof KeyParameter))
        {
            throw new IllegalArgumentException("Salsa20 Init parameters must include a key");
        }

        KeyParameter key = (KeyParameter) ivParams.getParameters();

        workingKey = key.getKey();
        workingIV = iv;

        setKey(workingKey, workingIV);
    }
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        }

        _forEncryption = forEncryption;
        _initialised = true;

        KeyParameter       p = (KeyParameter)params;

        setKey(p.getKey());
    }
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Related Classes of org.bouncycastle2.crypto.params.KeyParameter

  • org.bouncycastle2.asn1.ASN1InputStream
  • org.bouncycastle2.asn1.ASN1Sequence
  • org.bouncycastle2.asn1.ASN1TaggedObject
  • org.bouncycastle2.asn1.cryptopro.GOST3410PublicKeyAlgParameters
  • org.bouncycastle2.asn1.DERObject
  • org.bouncycastle2.asn1.DERObjectIdentifier
  • org.bouncycastle2.asn1.DEROctetString
  • org.bouncycastle2.asn1.pkcs.RSAPrivateKeyStructure
  • org.bouncycastle2.asn1.x509.RSAPublicKeyStructure
  • org.bouncycastle2.bcpg.sig.PreferredAlgorithms
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