Package org.bouncycastle2.crypto.params

Examples of org.bouncycastle2.crypto.params.DSAParameters

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        int         pbeType,
        int         pbeHash,
        int         pbeKeySize,
        int         pbeIvSize)
    {
        cipher = new PaddedBufferedBlockCipher(engine);

        this.pbeType = pbeType;
        this.pbeHash = pbeHash;
        this.pbeKeySize = pbeKeySize;
        this.pbeIvSize = pbeIvSize;
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        String  modeName = Strings.toUpperCase(mode);

        if (modeName.equals("ECB"))
        {
            ivLength = 0;
            cipher = new PaddedBufferedBlockCipher(cipher.getUnderlyingCipher());
        }
        else if (modeName.equals("CBC"))
        {
            ivLength = cipher.getUnderlyingCipher().getBlockSize();
            cipher = new PaddedBufferedBlockCipher(
                            new CBCBlockCipher(cipher.getUnderlyingCipher()));
        }
        else if (modeName.startsWith("OFB"))
        {
            ivLength = cipher.getUnderlyingCipher().getBlockSize();
            if (modeName.length() != 3)
            {
                int wordSize = Integer.parseInt(modeName.substring(3));

                cipher = new PaddedBufferedBlockCipher(
                                new OFBBlockCipher(cipher.getUnderlyingCipher(), wordSize));
            }
            else
            {
                cipher = new PaddedBufferedBlockCipher(
                        new OFBBlockCipher(cipher.getUnderlyingCipher(), 8 * cipher.getBlockSize()));
            }
        }
        else if (modeName.startsWith("CFB"))
        {
            ivLength = cipher.getUnderlyingCipher().getBlockSize();
            if (modeName.length() != 3)
            {
                int wordSize = Integer.parseInt(modeName.substring(3));

                cipher = new PaddedBufferedBlockCipher(
                                new CFBBlockCipher(cipher.getUnderlyingCipher(), wordSize));
            }
            else
            {
                cipher = new PaddedBufferedBlockCipher(
                        new CFBBlockCipher(cipher.getUnderlyingCipher(), 8 * cipher.getBlockSize()));
            }
        }
        else
        {
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        {
            cipher = new BufferedBlockCipher(cipher.getUnderlyingCipher());
        }
        else if (paddingName.equals("PKCS5PADDING") || paddingName.equals("PKCS7PADDING") || paddingName.equals("ISO10126PADDING"))
        {
            cipher = new PaddedBufferedBlockCipher(cipher.getUnderlyingCipher());
        }
        else if (paddingName.equals("WITHCTS"))
        {
            cipher = new CTSBlockCipher(cipher.getUnderlyingCipher());
        }
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        if (key instanceof DHPublicKey)
        {
            DHPublicKey    k = (DHPublicKey)key;

            return new DHPublicKeyParameters(k.getY(),
                new DHParameters(k.getParams().getP(), k.getParams().getG(), null, k.getParams().getL()));
        }

        throw new InvalidKeyException("can't identify DH public key.");
    }
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        if (key instanceof DHPrivateKey)
        {
            DHPrivateKey    k = (DHPrivateKey)key;

            return new DHPrivateKeyParameters(k.getX(),
                new DHParameters(k.getParams().getP(), k.getParams().getG(), null, k.getParams().getL()));
        }
                       
        throw new InvalidKeyException("can't identify DH private key.");
    }
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    {
        if (key instanceof DHPrivateKey)
        {
            DHPrivateKey    k = (DHPrivateKey)key;

            return new DHPrivateKeyParameters(k.getX(),
                new DHParameters(k.getParams().getP(), k.getParams().getG(), null, k.getParams().getL()));
        }
                       
        throw new InvalidKeyException("can't identify DH private key.");
    }
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    {
        if (key instanceof DHPublicKey)
        {
            DHPublicKey    k = (DHPublicKey)key;

            return new DHPublicKeyParameters(k.getY(),
                new DHParameters(k.getParams().getP(), k.getParams().getG(), null, k.getParams().getL()));
        }

        throw new InvalidKeyException("can't identify DH public key.");
    }
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        if (key instanceof DSAPublicKey)
        {
            DSAPublicKey    k = (DSAPublicKey)key;

            return new DSAPublicKeyParameters(k.getY(),
                new DSAParameters(k.getParams().getP(), k.getParams().getQ(), k.getParams().getG()));
        }

        throw new InvalidKeyException("can't identify DSA public key: " + key.getClass().getName());
    }
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        if (key instanceof DSAPrivateKey)
        {
            DSAPrivateKey    k = (DSAPrivateKey)key;

            return new DSAPrivateKeyParameters(k.getX(),
                new DSAParameters(k.getParams().getP(), k.getParams().getQ(), k.getParams().getG()));
        }
                       
        throw new InvalidKeyException("can't identify DSA private key.");
    }
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            {
                throw new InvalidAlgorithmParameterException("parameter object not a DSAParameterSpec");
            }
            DSAParameterSpec     dsaParams = (DSAParameterSpec)params;

            param = new DSAKeyGenerationParameters(random, new DSAParameters(dsaParams.getP(), dsaParams.getQ(), dsaParams.getG()));

            engine.init(param);
            initialised = true;
        }
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Related Classes of org.bouncycastle2.crypto.params.DSAParameters

  • org.bouncycastle2.asn1.ASN1InputStream
  • org.bouncycastle2.asn1.ASN1Sequence
  • org.bouncycastle2.asn1.cryptopro.GOST3410PublicKeyAlgParameters
  • org.bouncycastle2.asn1.DERObjectIdentifier
  • org.bouncycastle2.asn1.DEROctetString
  • org.bouncycastle2.asn1.pkcs.RSAPrivateKeyStructure
  • org.bouncycastle2.asn1.x509.RSAPublicKeyStructure
  • org.bouncycastle2.bcpg.sig.PreferredAlgorithms
  • org.bouncycastle2.crypto.BufferedBlockCipher
  • org.bouncycastle2.crypto.CipherParameters
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