Package org.bouncycastle2.crypto.params

Examples of org.bouncycastle2.crypto.params.KeyParameter

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            setKey(p.getKey());
        }
        else if (params instanceof KeyParameter)
        {
            KeyParameter       p = (KeyParameter)params;

            setKey(p.getKey());
        }
        else
        {
            throw new IllegalArgumentException("invalid parameter passed to RC532 init - " + params.getClass().getName());
        }
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        {
            throw new IllegalArgumentException(
                "Grain-128 Init parameters must include a key");
        }

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

        /**
         * Initialize variables.
         */
        workingIV = new byte[key.getKey().length];
        workingKey = new byte[key.getKey().length];
        lfsr = new int[STATE_SIZE];
        nfsr = new int[STATE_SIZE];
        out = new byte[4];

        System.arraycopy(iv, 0, workingIV, 0, iv.length);
        System.arraycopy(key.getKey(), 0, workingKey, 0, key.getKey().length);

        setKey(workingKey, workingIV);
        initGrain();
    }
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                throw new InvalidAlgorithmParameterException("PBE requires PBE parameters to be set.");
            }
        }
        else
        {
            param = new KeyParameter(key.getEncoded());
        }

        if (params instanceof javax.crypto.spec.IvParameterSpec)
        {
            IvParameterSpec iv = (IvParameterSpec) params;
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        int     inLen,
        byte[]  z)
        throws InvalidCipherTextException
    {
        byte[]          M = null;
        KeyParameter    macKey = null;
        KDFParameters   kParam = new KDFParameters(z, param.getDerivationV());
        int             macKeySize = param.getMacKeySize();

        kdf.init(kParam);

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

            M = new byte[inLen];

            for (int i = 0; i != inLen; i++)
            {
                M[i] = (byte)(in_enc[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(false, new KeyParameter(buf, 0, (cipherKeySize / 8)));

            byte[] tmp = new byte[cipher.getOutputSize(inLen)];

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

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

            M = new byte[len];

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

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

        byte[]  macIV = param.getEncodingV();

        mac.init(macKey);
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    {
        keySize = keySize / 8;

        byte[]  dKey = generateDerivedKey(KEY_MATERIAL, keySize);

        return new KeyParameter(dKey, 0, keySize);
    }
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        byte[]  dKey = generateDerivedKey(KEY_MATERIAL, keySize);

        byte[]  iv = generateDerivedKey(IV_MATERIAL, ivSize);

        return new ParametersWithIV(new KeyParameter(dKey, 0, keySize), iv, 0, ivSize);
    }
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    {
        keySize = keySize / 8;

        byte[]  dKey = generateDerivedKey(MAC_MATERIAL, keySize);

        return new KeyParameter(dKey, 0, keySize);
    }
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                   "Can't generate a derived key " + keySize + " bytes long.");
        }

        byte[]  dKey = generateDerivedKey();

        return new KeyParameter(dKey, 0, keySize);
    }
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                   "Can't generate a derived key " + (keySize + ivSize) + " bytes long.");
        }

        byte[]  dKey = generateDerivedKey();

        return new ParametersWithIV(new KeyParameter(dKey, 0, keySize), dKey, keySize, ivSize);
    }
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                ivParam = (ParametersWithIV)param;
            }
        }
        else if (params == null)
        {
            param = new KeyParameter(key.getEncoded());
        }
        else if (params instanceof IvParameterSpec)
        {
            param = new ParametersWithIV(new KeyParameter(key.getEncoded()), ((IvParameterSpec)params).getIV());
            ivParam = (ParametersWithIV)param;
        }
        else
        {
            throw new IllegalArgumentException("unknown parameter type.");
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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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