Package org.bouncycastle.jce.spec

Examples of org.bouncycastle.jce.spec.ECNamedCurveParameterSpec

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                y[i] = keyEnc[64 - 1 - i];
            }

            gostParams = new GOST3410PublicKeyAlgParameters((ASN1Sequence)info.getAlgorithmId().getParameters());
           
            ECNamedCurveParameterSpec spec = ECGOST3410NamedCurveTable.getParameterSpec(ECGOST3410NamedCurves.getName(gostParams.getPublicKeyParamSet()));

            ECCurve curve = spec.getCurve();
            EllipticCurve ellipticCurve = EC5Util.convertCurve(curve, spec.getSeed());

            this.q = curve.createPoint(new BigInteger(1, x), new BigInteger(1, y), false);

            ecSpec = new ECNamedCurveSpec(
                    ECGOST3410NamedCurves.getName(gostParams.getPublicKeyParamSet()),
                    ellipticCurve,
                    new ECPoint(
                            spec.getG().getX().toBigInteger(),
                            spec.getG().getY().toBigInteger()),
                            spec.getN(), spec.getH());

        }
        else
        {
            X962Parameters          params = new X962Parameters((DERObject)info.getAlgorithmId().getParameters());
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        if (ecP == null)
        {
            return null;
        }

        return new ECNamedCurveParameterSpec(
                                        name,
                                        ecP.getCurve(),
                                        ecP.getG(),
                                        ecP.getN(),
                                        ecP.getH(),
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        if (ecP == null)
        {
            return null;
        }

        return new ECNamedCurveParameterSpec(
                                        name,
                                        ecP.getCurve(),
                                        ecP.getG(),
                                        ecP.getN(),
                                        ecP.getH(),
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                y[i] = keyEnc[64 - 1 - i];
            }

            gostParams = new GOST3410PublicKeyAlgParameters((ASN1Sequence)info.getAlgorithmId().getParameters());

            ECNamedCurveParameterSpec spec = ECGOST3410NamedCurveTable.getParameterSpec(ECGOST3410NamedCurves.getName(gostParams.getPublicKeyParamSet()));

            ECCurve curve = spec.getCurve();
            EllipticCurve ellipticCurve = EC5Util.convertCurve(curve, spec.getSeed());

            this.q = curve.createPoint(new BigInteger(1, x), new BigInteger(1, y), false);

            ecSpec = new ECNamedCurveSpec(
                    ECGOST3410NamedCurves.getName(gostParams.getPublicKeyParamSet()),
                    ellipticCurve,
                    new ECPoint(
                            spec.getG().getX().toBigInteger(),
                            spec.getG().getY().toBigInteger()),
                            spec.getN(), spec.getH());

        }
        else
        {
            X962Parameters params = new X962Parameters((DERObject)info.getAlgorithmId().getParameters());
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                y[i] = keyEnc[64 - 1 - i];
            }

            gostParams = new GOST3410PublicKeyAlgParameters((ASN1Sequence)info.getAlgorithmId().getParameters());
           
            ECNamedCurveParameterSpec spec = ECGOST3410NamedCurveTable.getParameterSpec(ECGOST3410NamedCurves.getName(gostParams.getPublicKeyParamSet()));

            ecSpec = spec;

            ECCurve.Fp curve = (ECCurve.Fp)spec.getCurve();
           
            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);
   
                ecSpec = new ECNamedCurveParameterSpec(
                                            X962NamedCurves.getName(oid),
                                            ecP.getCurve(),
                                            ecP.getG(),
                                            ecP.getN(),
                                            ecP.getH(),
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        if (params.isNamedCurve())
        {
            DERObjectIdentifier oid = (DERObjectIdentifier)params.getParameters();
            X9ECParameters      ecP = X962NamedCurves.getByOID(oid);

            ecSpec = new ECNamedCurveParameterSpec(
                                        X962NamedCurves.getName(oid),
                                        ecP.getCurve(),
                                        ecP.getG(),
                                        ecP.getN(),
                                        ecP.getH(),
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        if (ecP == null)
        {
            return null;
        }

        return new ECNamedCurveParameterSpec(
                                        name,
                                        ecP.getCurve(),
                                        ecP.getG(),
                                        ecP.getN(),
                                        ecP.getH(),
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                    if (ecP == null)
                    {
                        throw new InvalidAlgorithmParameterException("unknown curve name: " + ((ECGenParameterSpec)params).getName());
                    }

                    this.ecParams = new ECNamedCurveParameterSpec(
                                                    ((ECGenParameterSpec)params).getName(),
                                                    ecP.getCurve(),
                                                    ecP.getG(),
                                                    ecP.getN(),
                                                    ecP.getH(),
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                y[i] = keyEnc[64 - 1 - i];
            }

            gostParams = new GOST3410PublicKeyAlgParameters((ASN1Sequence)info.getAlgorithmId().getParameters());
           
            ECNamedCurveParameterSpec spec = ECGOST3410NamedCurveTable.getParameterSpec(ECGOST3410NamedCurves.getName(gostParams.getPublicKeyParamSet()));

            ECCurve curve = spec.getCurve();
            EllipticCurve ellipticCurve = EC5Util.convertCurve(curve, spec.getSeed());

            if (curve instanceof ECCurve.Fp)
            {
                this.q = new org.bouncycastle.math.ec.ECPoint.Fp(curve, new ECFieldElement.Fp(((ECCurve.Fp)curve).getQ(), new BigInteger(1, x)), new ECFieldElement.Fp(((ECCurve.Fp)curve).getQ(), new BigInteger(1, y)));
            }
            else
            {
                ECCurve.F2m curveF2m = (ECCurve.F2m) curve;
                this.q = new org.bouncycastle.math.ec.ECPoint.F2m(curveF2m, new ECFieldElement.F2m(curveF2m.getM(), curveF2m.getK1(), curveF2m.getK2(), curveF2m.getK3(), new BigInteger(1, x)), new ECFieldElement.F2m(curveF2m.getM(), curveF2m.getK1(), curveF2m.getK2(), curveF2m.getK3(), new BigInteger(1, y)), false);
            }

            ecSpec = new ECNamedCurveSpec(
                    ECGOST3410NamedCurves.getName(gostParams.getPublicKeyParamSet()),
                    ellipticCurve,
                    new ECPoint(
                            spec.getG().getX().toBigInteger(),
                            spec.getG().getY().toBigInteger()),
                            spec.getN(), spec.getH());

        }
        else
        {
            X962Parameters          params = new X962Parameters((DERObject)info.getAlgorithmId().getParameters());
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        //
        // ECKey
        //
        fRd = new BufferedReader(new InputStreamReader(this.getClass().getResourceAsStream("eckey.pem")));
        pemRd = new PEMReader(fRd);
        ECNamedCurveParameterSpec spec = (ECNamedCurveParameterSpec)pemRd.readObject();

        pair = (KeyPair)pemRd.readObject();
        Signature sgr = Signature.getInstance("ECDSA", "BC");

        sgr.initSign(pair.getPrivate());
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Related Classes of org.bouncycastle.jce.spec.ECNamedCurveParameterSpec

  • com.nimbusds.jose.jwk.ECKey$Curve
  • org.bouncycastle.jcajce.provider.asymmetric.dstu.BCDSTU4145PublicKey
  • org.bouncycastle.jcajce.provider.asymmetric.ecgost.BCECGOST3410PublicKey
  • org.bouncycastle.jce.ECGOST3410NamedCurveTable
  • org.bouncycastle.jce.ECNamedCurveTable
  • org.bouncycastle.jce.provider.JCEECPrivateKey
  • org.bouncycastle.jce.provider.JCEECPublicKey
  • org.bouncycastle.jce.provider.JDKKeyPairGenerator$EC
  • org.bouncycastle.jce.provider.test.PKCS10CertRequestTest
  • org.bouncycastle.openssl.test.ReaderTest
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