Package org.bouncycastle.jce.spec

Examples of org.bouncycastle.jce.spec.ECParameterSpec


        ECCurve curve = new ECCurve.Fp(
            new BigInteger("883423532389192164791648750360308885314476597252960362792450860609699839"), // q
            new BigInteger("7fffffffffffffffffffffff7fffffffffff8000000000007ffffffffffc", 16), // a
            new BigInteger("6b016c3bdcf18941d0d654921475ca71a9db2fb27d1d37796185c2942c0a", 16)); // b

        ECParameterSpec spec = new ECParameterSpec(
            curve,
            curve.decodePoint(Hex.decode("020ffa963cdca8816ccc33b8642bedf905c3d358573d3f27fbbd3b3cb9aaaf")), // G
            new BigInteger("883423532389192164791648750360308884807550341691627752275345424702807307")); // n
       
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        ECCurve.Fp curve = new ECCurve.Fp(
            new BigInteger("6864797660130609714981900799081393217269435300143305409394463459185543183397656052122559640661454554977296311391480858037121987999716643812574028291115057151"), // q (or p)
            new BigInteger("01FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFC", 16),   // a
            new BigInteger("0051953EB9618E1C9A1F929A21A0B68540EEA2DA725B99B315F3B8B489918EF109E156193951EC7E937B1652C0BD3BB1BF073573DF883D2C34F1EF451FD46B503F00", 16))// b

        ECParameterSpec spec = new ECParameterSpec(
            curve,
            curve.decodePoint(Hex.decode("0200C6858E06B70404E9CD9E3ECB662395B4429C648139053FB521F828AF606B4D3DBAA14B5E77EFE75928FE1DC127A2FFA8DE3348B3C1856A429BF97E7E31C2E5BD66")), // G
            new BigInteger("01FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFA51868783BF2F966B7FCC0148F709A5D03BB5C9B8899C47AEBB6FB71E91386409", 16)); // n

        ECPrivateKeySpec privKeySpec = new ECPrivateKeySpec(
View Full Code Here

        KeyPair kp = null;
        boolean success = false;
        while (!success)
        {
            KeyPairGenerator kpg = KeyPairGenerator.getInstance("ECDSA");
            kpg.initialize(new ECParameterSpec(params.getCurve(),
                    params.getG(), params.getN(), params.getH(), params
                            .getSeed()));
            kp = kpg.generateKeyPair();
            // The very old Problem... we need a certificate chain to
            // save a private key...
View Full Code Here

        ECCurve.Fp curve = new ECCurve.Fp(
            new BigInteger("6864797660130609714981900799081393217269435300143305409394463459185543183397656052122559640661454554977296311391480858037121987999716643812574028291115057151"), // q (or p)
            new BigInteger("01FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFC", 16),   // a
            new BigInteger("0051953EB9618E1C9A1F929A21A0B68540EEA2DA725B99B315F3B8B489918EF109E156193951EC7E937B1652C0BD3BB1BF073573DF883D2C34F1EF451FD46B503F00", 16))// b

        ECParameterSpec spec = new ECParameterSpec(
            curve,
            curve.decodePoint(Hex.decode("0200C6858E06B70404E9CD9E3ECB662395B4429C648139053FB521F828AF606B4D3DBAA14B5E77EFE75928FE1DC127A2FFA8DE3348B3C1856A429BF97E7E31C2E5BD66")), // G
            new BigInteger("01FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFA51868783BF2F966B7FCC0148F709A5D03BB5C9B8899C47AEBB6FB71E91386409", 16)); // n

        ECPrivateKeySpec privKeySpec = new ECPrivateKeySpec(
View Full Code Here

        ECCurve curve = new ECCurve.Fp(
            new BigInteger("883423532389192164791648750360308885314476597252960362792450860609699839"), // q
            new BigInteger("7fffffffffffffffffffffff7fffffffffff8000000000007ffffffffffc", 16), // a
            new BigInteger("6b016c3bdcf18941d0d654921475ca71a9db2fb27d1d37796185c2942c0a", 16)); // b

        ECParameterSpec ecSpec = new ECParameterSpec(
            curve,
            curve.decodePoint(Hex.decode("020ffa963cdca8816ccc33b8642bedf905c3d358573d3f27fbbd3b3cb9aaaf")), // G
            new BigInteger("883423532389192164791648750360308884807550341691627752275345424702807307")); // n

        g.initialize(ecSpec, new SecureRandom());
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            SecureRandom            random)
            throws InvalidAlgorithmParameterException
        {
            if (params instanceof ECParameterSpec)
            {
                ECParameterSpec p = (ECParameterSpec)params;
                this.ecParams = params;

                param = new ECKeyGenerationParameters(new ECDomainParameters(p.getCurve(), p.getG(), p.getN()), random);

                engine.init(param);
                initialised = true;
            }
            else if (params instanceof java.security.spec.ECParameterSpec)
            {
                java.security.spec.ECParameterSpec p = (java.security.spec.ECParameterSpec)params;
                this.ecParams = params;

                ECCurve curve = EC5Util.convertCurve(p.getCurve());
                ECPoint g = EC5Util.convertPoint(curve, p.getGenerator(), false);

                param = new ECKeyGenerationParameters(new ECDomainParameters(curve, g, p.getOrder(), BigInteger.valueOf(p.getCofactor())), random);

                engine.init(param);
                initialised = true;
            }
            else if (params instanceof ECGenParameterSpec || params instanceof ECNamedCurveGenParameterSpec)
            {
                String curveName;

                if (params instanceof ECGenParameterSpec)
                {
                    curveName = ((ECGenParameterSpec)params).getName();
                }
                else
                {
                    curveName = ((ECNamedCurveGenParameterSpec)params).getName();
                }

                X9ECParameters  ecP = X962NamedCurves.getByName(curveName);
                if (ecP == null)
                {
                    ecP = SECNamedCurves.getByName(curveName);
                    if (ecP == null)
                    {
                        ecP = NISTNamedCurves.getByName(curveName);
                    }
                    if (ecP == null)
                    {
                        ecP = TeleTrusTNamedCurves.getByName(curveName);
                    }
                    if (ecP == null)
                    {
                        // See if it's actually an OID string (SunJSSE ServerHandshaker setupEphemeralECDHKeys bug)
                        try
                        {
                            ASN1ObjectIdentifier oid = new ASN1ObjectIdentifier(curveName);
                            ecP = X962NamedCurves.getByOID(oid);
                            if (ecP == null)
                            {
                                ecP = SECNamedCurves.getByOID(oid);
                            }
                            if (ecP == null)
                            {
                                ecP = NISTNamedCurves.getByOID(oid);
                            }
                            if (ecP == null)
                            {
                                ecP = TeleTrusTNamedCurves.getByOID(oid);
                            }
                            if (ecP == null)
                            {
                                throw new InvalidAlgorithmParameterException("unknown curve OID: " + curveName);
                            }
                        }
                        catch (IllegalArgumentException ex)
                        {
                            throw new InvalidAlgorithmParameterException("unknown curve name: " + curveName);
                        }
                    }
                }

                this.ecParams = new ECNamedCurveSpec(
                            curveName,
                            ecP.getCurve(),
                            ecP.getG(),
                            ecP.getN(),
                            ecP.getH(),
                            null); // ecP.getSeed());   Work-around JDK bug -- it won't look up named curves properly if seed is present

                java.security.spec.ECParameterSpec p = (java.security.spec.ECParameterSpec)ecParams;

                ECCurve curve = EC5Util.convertCurve(p.getCurve());
                ECPoint g = EC5Util.convertPoint(curve, p.getGenerator(), false);

                param = new ECKeyGenerationParameters(new ECDomainParameters(curve, g, p.getOrder(), BigInteger.valueOf(p.getCofactor())), random);

                engine.init(param);
                initialised = true;
            }
            else if (params == null && configuration.getEcImplicitlyCa() != null)
            {
                ECParameterSpec p = configuration.getEcImplicitlyCa();
                this.ecParams = params;

                param = new ECKeyGenerationParameters(new ECDomainParameters(p.getCurve(), p.getG(), p.getN()), random);

                engine.init(param);
                initialised = true;
            }
            else if (params == null && configuration.getEcImplicitlyCa() == null)
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            ECPublicKeyParameters       pub = (ECPublicKeyParameters)pair.getPublic();
            ECPrivateKeyParameters      priv = (ECPrivateKeyParameters)pair.getPrivate();

            if (ecParams instanceof ECParameterSpec)
            {
                ECParameterSpec p = (ECParameterSpec)ecParams;

                BCECPublicKey pubKey = new BCECPublicKey(algorithm, pub, p, configuration);
                return new KeyPair(pubKey,
                                   new BCECPrivateKey(algorithm, priv, pubKey, p, configuration));
            }
View Full Code Here

           {
               return new java.security.spec.ECPublicKeySpec(k.getW(), k.getParams());
           }
           else
           {
               ECParameterSpec implicitSpec = BouncyCastleProvider.CONFIGURATION.getEcImplicitlyCa();

               return new java.security.spec.ECPublicKeySpec(k.getW(), EC5Util.convertSpec(EC5Util.convertCurve(implicitSpec.getCurve(), implicitSpec.getSeed()), implicitSpec));
           }
       }
       else if (spec.isAssignableFrom(java.security.spec.ECPrivateKeySpec.class) && key instanceof ECPrivateKey)
       {
           ECPrivateKey k = (ECPrivateKey)key;

           if (k.getParams() != null)
           {
               return new java.security.spec.ECPrivateKeySpec(k.getS(), k.getParams());
           }
           else
           {
               ECParameterSpec implicitSpec = BouncyCastleProvider.CONFIGURATION.getEcImplicitlyCa();

               return new java.security.spec.ECPrivateKeySpec(k.getS(), EC5Util.convertSpec(EC5Util.convertCurve(implicitSpec.getCurve(), implicitSpec.getSeed()), implicitSpec));
           }
       }
       else if (spec.isAssignableFrom(org.bouncycastle.jce.spec.ECPublicKeySpec.class) && key instanceof ECPublicKey)
       {
           ECPublicKey k = (ECPublicKey)key;
           if (k.getParams() != null)
           {
               return new org.bouncycastle.jce.spec.ECPublicKeySpec(EC5Util.convertPoint(k.getParams(), k.getW(), false), EC5Util.convertSpec(k.getParams(), false));
           }
           else
           {
               ECParameterSpec implicitSpec = BouncyCastleProvider.CONFIGURATION.getEcImplicitlyCa();

               return new org.bouncycastle.jce.spec.ECPublicKeySpec(EC5Util.convertPoint(k.getParams(), k.getW(), false), implicitSpec);
           }
       }
       else if (spec.isAssignableFrom(org.bouncycastle.jce.spec.ECPrivateKeySpec.class) && key instanceof ECPrivateKey)
       {
           ECPrivateKey k = (ECPrivateKey)key;

           if (k.getParams() != null)
           {
               return new org.bouncycastle.jce.spec.ECPrivateKeySpec(k.getS(), EC5Util.convertSpec(k.getParams(), false));
           }
           else
           {
               ECParameterSpec implicitSpec = BouncyCastleProvider.CONFIGURATION.getEcImplicitlyCa();

               return new org.bouncycastle.jce.spec.ECPrivateKeySpec(k.getS(), implicitSpec);
           }
       }
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            {
                return new java.security.spec.ECPublicKeySpec(k.getW(), k.getParams());
            }
            else
            {
                ECParameterSpec implicitSpec = BouncyCastleProvider.CONFIGURATION.getEcImplicitlyCa();

                return new java.security.spec.ECPublicKeySpec(k.getW(), EC5Util.convertSpec(EC5Util.convertCurve(implicitSpec.getCurve(), implicitSpec.getSeed()), implicitSpec));
            }
        }
        else if (spec.isAssignableFrom(java.security.spec.ECPrivateKeySpec.class) && key instanceof ECPrivateKey)
        {
            ECPrivateKey k = (ECPrivateKey)key;

            if (k.getParams() != null)
            {
                return new java.security.spec.ECPrivateKeySpec(k.getS(), k.getParams());
            }
            else
            {
                ECParameterSpec implicitSpec = BouncyCastleProvider.CONFIGURATION.getEcImplicitlyCa();

                return new java.security.spec.ECPrivateKeySpec(k.getS(), EC5Util.convertSpec(EC5Util.convertCurve(implicitSpec.getCurve(), implicitSpec.getSeed()), implicitSpec));
            }
        }
        else if (spec.isAssignableFrom(org.bouncycastle.jce.spec.ECPublicKeySpec.class) && key instanceof ECPublicKey)
        {
            ECPublicKey k = (ECPublicKey)key;
            if (k.getParams() != null)
            {
                return new org.bouncycastle.jce.spec.ECPublicKeySpec(EC5Util.convertPoint(k.getParams(), k.getW(), false), EC5Util.convertSpec(k.getParams(), false));
            }
            else
            {
                ECParameterSpec implicitSpec = BouncyCastleProvider.CONFIGURATION.getEcImplicitlyCa();

                return new org.bouncycastle.jce.spec.ECPublicKeySpec(EC5Util.convertPoint(k.getParams(), k.getW(), false), implicitSpec);
            }
        }
        else if (spec.isAssignableFrom(org.bouncycastle.jce.spec.ECPrivateKeySpec.class) && key instanceof ECPrivateKey)
        {
            ECPrivateKey k = (ECPrivateKey)key;

            if (k.getParams() != null)
            {
                return new org.bouncycastle.jce.spec.ECPrivateKeySpec(k.getS(), EC5Util.convertSpec(k.getParams(), false));
            }
            else
            {
                ECParameterSpec implicitSpec = BouncyCastleProvider.CONFIGURATION.getEcImplicitlyCa();

                return new org.bouncycastle.jce.spec.ECPrivateKeySpec(k.getS(), implicitSpec);
            }
        }
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        SecureRandom random)
        throws InvalidAlgorithmParameterException
    {
        if (params instanceof ECParameterSpec)
        {
            ECParameterSpec p = (ECParameterSpec)params;
            this.ecParams = params;

            param = new ECKeyGenerationParameters(new ECDomainParameters(p.getCurve(), p.getG(), p.getN()), random);

            engine.init(param);
            initialised = true;
        }
        else if (params instanceof java.security.spec.ECParameterSpec)
        {
            java.security.spec.ECParameterSpec p = (java.security.spec.ECParameterSpec)params;
            this.ecParams = params;

            ECCurve curve = EC5Util.convertCurve(p.getCurve());
            ECPoint g = EC5Util.convertPoint(curve, p.getGenerator(), false);

            param = new ECKeyGenerationParameters(new ECDomainParameters(curve, g, p.getOrder(), BigInteger.valueOf(p.getCofactor())), random);

            engine.init(param);
            initialised = true;
        }
        else if (params instanceof ECGenParameterSpec || params instanceof ECNamedCurveGenParameterSpec)
        {
            String curveName;

            if (params instanceof ECGenParameterSpec)
            {
                curveName = ((ECGenParameterSpec)params).getName();
            }
            else
            {
                curveName = ((ECNamedCurveGenParameterSpec)params).getName();
            }

            //ECDomainParameters ecP = ECGOST3410NamedCurves.getByName(curveName);
            ECDomainParameters ecP = DSTU4145NamedCurves.getByOID(new ASN1ObjectIdentifier(curveName));
            if (ecP == null)
            {
                throw new InvalidAlgorithmParameterException("unknown curve name: " + curveName);
            }

            this.ecParams = new ECNamedCurveSpec(
                curveName,
                ecP.getCurve(),
                ecP.getG(),
                ecP.getN(),
                ecP.getH(),
                ecP.getSeed());

            java.security.spec.ECParameterSpec p = (java.security.spec.ECParameterSpec)ecParams;

            ECCurve curve = EC5Util.convertCurve(p.getCurve());
            ECPoint g = EC5Util.convertPoint(curve, p.getGenerator(), false);

            param = new ECKeyGenerationParameters(new ECDomainParameters(curve, g, p.getOrder(), BigInteger.valueOf(p.getCofactor())), random);

            engine.init(param);
            initialised = true;
        }
        else if (params == null && BouncyCastleProvider.CONFIGURATION.getEcImplicitlyCa() != null)
        {
            ECParameterSpec p = BouncyCastleProvider.CONFIGURATION.getEcImplicitlyCa();
            this.ecParams = params;

            param = new ECKeyGenerationParameters(new ECDomainParameters(p.getCurve(), p.getG(), p.getN()), random);

            engine.init(param);
            initialised = true;
        }
        else if (params == null && BouncyCastleProvider.CONFIGURATION.getEcImplicitlyCa() == null)
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