Package org.bouncycastle.crypto.params

Examples of org.bouncycastle.crypto.params.DSAPrivateKeyParameters

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            {
                DSAParameter params = DSAParameter.getInstance(de.toASN1Primitive());
                parameters = new DSAParameters(params.getP(), params.getQ(), params.getG());
            }

            return new DSAPrivateKeyParameters(derX.getValue(), parameters);
        }
        else if (algId.getAlgorithm().equals(X9ObjectIdentifiers.id_ecPublicKey))
        {
            X962Parameters params = new X962Parameters((ASN1Primitive)algId.getParameters());
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            return new PrivateKeyInfo(new AlgorithmIdentifier(PKCSObjectIdentifiers.rsaEncryption, DERNull.INSTANCE), new RSAPrivateKey(priv.getModulus(), priv.getPublicExponent(), priv.getExponent(), priv.getP(), priv.getQ(), priv.getDP(), priv.getDQ(), priv.getQInv()));
        }
        else if (privateKey instanceof DSAPrivateKeyParameters)
        {
            DSAPrivateKeyParameters priv = (DSAPrivateKeyParameters)privateKey;
            DSAParameters params = priv.getParameters();

            return new PrivateKeyInfo(new AlgorithmIdentifier(X9ObjectIdentifiers.id_dsa, new DSAParameter(params.getP(), params.getQ(), params.getG())), new ASN1Integer(priv.getX()));
        }
        else
        {
            throw new IOException("key parameters not recognised.");
        }
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        BigInteger x = generatePrivateKey(dsaParams.getQ(), param.getRandom());
        BigInteger y = calculatePublicKey(dsaParams.getP(), dsaParams.getG(), x);

        return new AsymmetricCipherKeyPair(
            new DSAPublicKeyParameters(y, dsaParams),
            new DSAPrivateKeyParameters(x, dsaParams));
    }
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            initialised = true;
        }

        AsymmetricCipherKeyPair pair = engine.generateKeyPair();
        DSAPublicKeyParameters pub = (DSAPublicKeyParameters)pair.getPublic();
        DSAPrivateKeyParameters priv = (DSAPrivateKeyParameters)pair.getPrivate();

        return new KeyPair(new BCDSAPublicKey(pub),
            new BCDSAPrivateKey(priv));
    }
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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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        else if (algId.getObjectId().equals(X9ObjectIdentifiers.id_dsa))
        {
            DSAParameter    params = new DSAParameter((ASN1Sequence)keyInfo.getAlgorithmId().getParameters());
            DERInteger      derX = (DERInteger)keyInfo.getPrivateKey();

            return new DSAPrivateKeyParameters(derX.getValue(), new DSAParameters(params.getP(), params.getQ(), params.getG()));
        }
        else if (algId.getObjectId().equals(X9ObjectIdentifiers.id_ecPublicKey))
        {
            X962Parameters      params = new X962Parameters((DERObject)keyInfo.getAlgorithmId().getParameters());
            ECDomainParameters  dParams = null;
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                initialised = true;
            }

            AsymmetricCipherKeyPair   pair = engine.generateKeyPair();
            DSAPublicKeyParameters     pub = (DSAPublicKeyParameters)pair.getPublic();
            DSAPrivateKeyParameters priv = (DSAPrivateKeyParameters)pair.getPrivate();

            return new KeyPair(new JDKDSAPublicKey(pub),
                               new JDKDSAPrivateKey(priv));
        }
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        else if (algId.getObjectId().equals(X9ObjectIdentifiers.id_dsa))
        {
            DSAParameter    params = new DSAParameter((ASN1Sequence)keyInfo.getAlgorithmId().getParameters());
            DERInteger      derX = (DERInteger)keyInfo.getPrivateKey();

            return new DSAPrivateKeyParameters(derX.getValue(), new DSAParameters(params.getP(), params.getQ(), params.getG()));
        }
        else if (algId.getObjectId().equals(X9ObjectIdentifiers.id_ecPublicKey))
        {
            X962Parameters      params = new X962Parameters((DERObject)keyInfo.getAlgorithmId().getParameters());
            ECDomainParameters  dParams = null;
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               ));
    signature.init(false, pubKey);
  }
  public void setPrvKey(byte[] x, byte[] p, byte[] q, byte[] g) throws Exception{
    //System.out.println(this+".setPrvKey()");
    DSAPrivateKeyParameters prvKey =
  new DSAPrivateKeyParameters(new BigInteger(x),
         new DSAParameters(new BigInteger(p),
               new BigInteger(q),
               new BigInteger(g)));
    signature.init(true, prvKey);
  }
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    DSAKeyPairGenerator kpgen=new DSAKeyPairGenerator();
    kpgen.init( DSAKeyGenPara );
    AsymmetricCipherKeyPair keyPair=kpgen.generateKeyPair();
    DSAPrivateKeyParameters prvKey=
      (DSAPrivateKeyParameters)keyPair.getPrivate();
    DSAPublicKeyParameters pubKey=
      (DSAPublicKeyParameters)keyPair.getPublic();

    x=prvKey.getX().toByteArray();
    y=pubKey.getY().toByteArray();

    p=dsap.getP().toByteArray();
    q=dsap.getQ().toByteArray();
    g=dsap.getG().toByteArray();
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Related Classes of org.bouncycastle.crypto.params.DSAPrivateKeyParameters

  • com.google.nigori.common.DSASign
  • com.jcraft.jsch.bc.KeyPairGenDSA
  • com.jcraft.jsch.bc.SignatureDSA
  • org.bouncycastle.crypto.generators.DSAKeyPairGenerator
  • org.bouncycastle.crypto.util.PrivateKeyFactory
  • org.bouncycastle.crypto.util.PrivateKeyInfoFactory
  • org.bouncycastle.jcajce.provider.asymmetric.dsa.DSAUtil
  • org.bouncycastle.jcajce.provider.asymmetric.dsa.KeyPairGeneratorSpi
  • org.bouncycastle.jce.provider.DSAUtil
  • org.bouncycastle.jce.provider.JDKKeyPairGenerator$DSA
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