Package java.security.spec

Examples of java.security.spec.ECParameterSpec

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                X9ECParameters          ecP = new X9ECParameters((ASN1Sequence)params.getParameters());
               
                curve = ecP.getCurve();
                ellipticCurve = EC5Util.convertCurve(curve, ecP.getSeed());

                this.ecSpec = new ECParameterSpec(
                        ellipticCurve,
                        new ECPoint(
                                ecP.getG().getX().toBigInteger(),
                                ecP.getG().getY().toBigInteger()),
                        ecP.getN(),
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        EllipticCurve curve = new EllipticCurve(
                new ECFieldFp(new BigInteger("883423532389192164791648750360308885314476597252960362792450860609699839")), // q
                new BigInteger("7fffffffffffffffffffffff7fffffffffff8000000000007ffffffffffc", 16), // a
                new BigInteger("6b016c3bdcf18941d0d654921475ca71a9db2fb27d1d37796185c2942c0a", 16)); // b

        ECParameterSpec ecSpec = new ECParameterSpec(
                curve,
                ECPointUtil.decodePoint(curve, Hex.decode("020ffa963cdca8816ccc33b8642bedf905c3d358573d3f27fbbd3b3cb9aaaf")), // G
                new BigInteger("883423532389192164791648750360308884807550341691627752275345424702807307"), // n
                1); // h
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        if (spec == null)
        {
            EllipticCurve ellipticCurve = EC5Util.convertCurve(dp.getCurve(), dp.getSeed());

            this.ecSpec = new ECParameterSpec(
                            ellipticCurve,
                            new ECPoint(
                                    dp.getG().getX().toBigInteger(),
                                    dp.getG().getY().toBigInteger()),
                            dp.getN(),
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        if (spec == null)
        {
            EllipticCurve ellipticCurve = EC5Util.convertCurve(dp.getCurve(), dp.getSeed());

            this.ecSpec = new ECParameterSpec(
                            ellipticCurve,
                            new ECPoint(
                                    dp.getG().getX().toBigInteger(),
                                    dp.getG().getY().toBigInteger()),
                            dp.getN(),
                            dp.getH().intValue());
        }
        else
        {
            EllipticCurve ellipticCurve = EC5Util.convertCurve(spec.getCurve(), spec.getSeed());
           
            this.ecSpec = new ECParameterSpec(
                                ellipticCurve,
                                new ECPoint(
                                        spec.getG().getX().toBigInteger(),
                                        spec.getG().getY().toBigInteger()),
                                spec.getN(),
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        else
        {
            X9ECParameters      ecP = new X9ECParameters((ASN1Sequence)params.getParameters());
            EllipticCurve       ellipticCurve = EC5Util.convertCurve(ecP.getCurve(), ecP.getSeed());

            this.ecSpec = new ECParameterSpec(
                ellipticCurve,
                new ECPoint(
                        ecP.getG().getX().toBigInteger(),
                        ecP.getG().getY().toBigInteger()),
                ecP.getN(),
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        EllipticCurve curve = new EllipticCurve(
            new ECFieldFp(new BigInteger("883423532389192164791648750360308885314476597252960362792450860609699839")), // q
            new BigInteger("7fffffffffffffffffffffff7fffffffffff8000000000007ffffffffffc", 16), // a
            new BigInteger("6b016c3bdcf18941d0d654921475ca71a9db2fb27d1d37796185c2942c0a", 16)); // b

        ECParameterSpec spec = new ECParameterSpec(
            curve,
            ECPointUtil.decodePoint(curve, Hex.decode("020ffa963cdca8816ccc33b8642bedf905c3d358573d3f27fbbd3b3cb9aaaf")), // G
            new BigInteger("883423532389192164791648750360308884807550341691627752275345424702807307"), // n
            1); // h
       
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            new ECFieldF2m(239, // m
                           new int[] { 36 }), // k
            new BigInteger("32010857077C5431123A46B808906756F543423E8D27877578125778AC76", 16), // a
            new BigInteger("790408F2EEDAF392B012EDEFB3392F30F4327C0CA3F31FC383C422AA8C16", 16)); // b
   
        ECParameterSpec params = new ECParameterSpec(
            curve,
            ECPointUtil.decodePoint(curve, Hex.decode("0457927098FA932E7C0A96D3FD5B706EF7E5F5C156E16B7E7C86038552E91D61D8EE5077C33FECF6F1A16B268DE469C3C7744EA9A971649FC7A9616305")), // G
            new BigInteger("220855883097298041197912187592864814557886993776713230936715041207411783"), // n
            4); // h
   
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        EllipticCurve curve = new EllipticCurve(
            new ECFieldFp(new BigInteger("883423532389192164791648750360308885314476597252960362792450860609699839")), // q
            new BigInteger("7fffffffffffffffffffffff7fffffffffff8000000000007ffffffffffc", 16), // a
            new BigInteger("6b016c3bdcf18941d0d654921475ca71a9db2fb27d1d37796185c2942c0a", 16)); // b

        ECParameterSpec ecSpec = new ECParameterSpec(
            curve,
            ECPointUtil.decodePoint(curve, Hex.decode("020ffa963cdca8816ccc33b8642bedf905c3d358573d3f27fbbd3b3cb9aaaf")), // G
            new BigInteger("883423532389192164791648750360308884807550341691627752275345424702807307"), // n
            1); // h
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            putMPInt(((DSAPublicKey) key).getParams().getQ());
            putMPInt(((DSAPublicKey) key).getParams().getG());
            putMPInt(((DSAPublicKey) key).getY());
        } else if (key instanceof ECPublicKey) {
            ECPublicKey ecKey = (ECPublicKey) key;
            ECParameterSpec ecParams = ecKey.getParams();
            String curveName = ECCurves.getCurveName(ecParams);
            putString(ECCurves.ECDSA_SHA2_PREFIX + curveName);
            putString(curveName);
            putBytes(ECCurves.encodeECPoint(ecKey.getW(), ecParams.getCurve()));
        } else {
            throw new IllegalStateException("Unsupported algorithm: " + key.getAlgorithm());
        }
    }
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            putMPInt(((DSAPublicKey) key.getPublic()).getY());
            putMPInt(((DSAPrivateKey) key.getPrivate()).getX());
        } else if (key.getPublic() instanceof ECPublicKey) {
            ECPublicKey ecPub = (ECPublicKey) key.getPublic();
            ECPrivateKey ecPriv = (ECPrivateKey) key.getPrivate();
            ECParameterSpec ecParams = ecPub.getParams();
            String curveName = ECCurves.getCurveName(ecParams);

            putString(ECCurves.ECDSA_SHA2_PREFIX + curveName);
            putString(curveName);
            putString(ECCurves.encodeECPoint(ecPub.getW(), ecParams.getCurve()));
            putMPInt(ecPriv.getS());
        } else {
            throw new IllegalStateException("Unsupported algorithm: " + key.getPublic().getAlgorithm());
        }
    }
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  • ch.ethz.inf.vs.scandium.dtls.ECDHServerKeyExchange
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  • org.apache.harmony.security.tests.java.security.spec.ECParameterSpec_ImplTest
  • org.apache.harmony.security.tests.java.security.spec.ECPrivateKeySpec_ImplTest
  • org.apache.harmony.security.tests.java.security.spec.ECPublicKeySpec_ImplTest
  • org.apache.jcp.xml.dsig.internal.dom.DOMKeyValue$EC
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