Package org.bouncycastle.math.ec

Examples of org.bouncycastle.math.ec.ECCurve

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            this.q = new org.bouncycastle.math.ec.ECPoint.Fp(curve, new ECFieldElement.Fp(curve.getQ(), new BigInteger(1, x)), new ECFieldElement.Fp(curve.getQ(), new BigInteger(1, y)));
        }
        else
        {
            X962Parameters          params = new X962Parameters((DERObject)info.getAlgorithmId().getParameters());
            ECCurve                 curve;
           
            if (params.isNamedCurve())
            {
                DERObjectIdentifier oid = (DERObjectIdentifier)params.getParameters();
                X9ECParameters      ecP = X962NamedCurves.getByOID(oid);
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    /**
     * we generate a self signed certificate for the sake of testing - ECDSA
     */
    public void checkCreation3()
    {
        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
       

        ECPrivateKeySpec privKeySpec = new ECPrivateKeySpec(
            new BigInteger("876300101507107567501066130761671078357010671067781776716671676178726717"), // d
            spec);

        ECPublicKeySpec pubKeySpec = new ECPublicKeySpec(
            curve.decodePoint(Hex.decode("025b6dc53bc61a2548ffb0f671472de6c9521a9d2d2534e65abfcbd5fe0c70")), // Q
            spec);

        //
        // set up the keys
        //
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                s = Signature.getInstance("ECGOST3410", "BC");
                g = KeyPairGenerator.getInstance("ECGOST3410", "BC");

                BigInteger mod_p = new BigInteger("57896044618658097711785492504343953926634992332820282019728792003956564821041"); //p

                ECCurve curve = new ECCurve.Fp(
                    mod_p, // p
                    new BigInteger("7"), // a
                    new BigInteger("43308876546767276905765904595650931995942111794451039583252968842033849580414")); // b

                ECParameterSpec ecSpec = new ECParameterSpec(
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    static char[]   passwd = { 'h', 'e', 'l', 'l', 'o', ' ', 'w', 'o', 'r', 'l', 'd' };

    public TestResult ecStoreTest(
        String  storeName)
    {
        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

        try
        {
            KeyPairGenerator    g = KeyPairGenerator.getInstance("ECDSA", "BC");
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        public TestResult perform()
        {
            try
            {
                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
               

                ECPrivateKeySpec priKey = new ECPrivateKeySpec(
                    new BigInteger("876300101507107567501066130761671078357010671067781776716671676178726717"), // d
                    spec);

                ECPublicKeySpec pubKey = new ECPublicKeySpec(
                    curve.decodePoint(Hex.decode("025b6dc53bc61a2548ffb0f671472de6c9521a9d2d2534e65abfcbd5fe0c70")), // Q
                    spec);

                Signature           sgr = Signature.getInstance("ECDSA", "BC");
                KeyFactory          f = KeyFactory.getInstance("ECDSA", "BC");
                PrivateKey          sKey = f.generatePrivate(priKey);
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                // ECDSA generation test
                //
                s = Signature.getInstance("ECDSA", "BC");
                g = KeyPairGenerator.getInstance("ECDSA", "BC");

                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());

                p = g.generateKeyPair();
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        try
        {
            KeyPairGenerator    g = KeyPairGenerator.getInstance("ECIES", "BC");

            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());

            res = performTest(g);
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    {
        try
        {
            KeyPairGenerator    g = KeyPairGenerator.getInstance("ECDH", "BC");

            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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        {
            try
            {
                BigInteger mod_p = new BigInteger("57896044618658097711785492504343953926634992332820282019728792003956564821041"); //p

                ECCurve curve = new ECCurve.Fp(
                    mod_p, // p
                    new BigInteger("7"), // a
                    new BigInteger("43308876546767276905765904595650931995942111794451039583252968842033849580414")); // b

                ECParameterSpec spec = new ECParameterSpec(
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    public void performTest()
        throws Exception
    {
        KeyPairGenerator    g = KeyPairGenerator.getInstance("ECIES", "BC");

        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());

        Cipher c1 = Cipher.getInstance("ECIES", "BC");
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Related Classes of org.bouncycastle.math.ec.ECCurve

  • com.nimbusds.jose.crypto.ECDSAVerifier
  • org.bouncycastle.crypto.tls.TlsECCUtils
  • org.bouncycastle.jcajce.provider.asymmetric.dstu.BCDSTU4145PrivateKey
  • org.bouncycastle.jcajce.provider.asymmetric.dstu.BCDSTU4145PublicKey
  • org.bouncycastle.jcajce.provider.asymmetric.dstu.KeyPairGeneratorSpi
  • org.bouncycastle.jcajce.provider.asymmetric.ec.BCECPrivateKey
  • org.bouncycastle.jcajce.provider.asymmetric.ec.BCECPublicKey
  • org.bouncycastle.jcajce.provider.asymmetric.ec.KeyPairGeneratorSpi$EC
  • org.bouncycastle.jcajce.provider.asymmetric.ecgost.BCECGOST3410PrivateKey
  • org.bouncycastle.jcajce.provider.asymmetric.ecgost.BCECGOST3410PublicKey
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