Package org.bouncycastle.asn1.x9

Examples of org.bouncycastle.asn1.x9.X9FieldID

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     *
     * @return a PKCS8 representation of the key.
     */
    public byte[] getEncoded()
    {
        X962Parameters params;

        if (ecSpec instanceof ECNamedCurveSpec)
        {
            DERObjectIdentifier curveOid = ECUtil.getNamedCurveOid(((ECNamedCurveSpec)ecSpec).getName());
            if (curveOid == null)  // guess it's the OID
            {
                curveOid = new DERObjectIdentifier(((ECNamedCurveSpec)ecSpec).getName());
            }
            params = new X962Parameters(curveOid);
        }
        else if (ecSpec == null)
        {
            params = new X962Parameters(DERNull.INSTANCE);
        }
        else
        {
            ECCurve curve = EC5Util.convertCurve(ecSpec.getCurve());

            X9ECParameters ecP = new X9ECParameters(
                curve,
                EC5Util.convertPoint(curve, ecSpec.getGenerator(), withCompression),
                ecSpec.getOrder(),
                BigInteger.valueOf(ecSpec.getCofactor()),
                ecSpec.getCurve().getSeed());

            params = new X962Parameters(ecP);
        }

        PrivateKeyInfo info;
        org.bouncycastle.asn1.sec.ECPrivateKey keyStructure;

        if (publicKey != null)
        {
            keyStructure = new org.bouncycastle.asn1.sec.ECPrivateKey(this.getS(), publicKey, params);
        }
        else
        {
            keyStructure = new org.bouncycastle.asn1.sec.ECPrivateKey(this.getS(), params);
        }

        try
        {
            if (algorithm.equals("DSTU4145"))
            {
                info = new PrivateKeyInfo(new AlgorithmIdentifier(UAObjectIdentifiers.dstu4145be, params.toASN1Primitive()), keyStructure.toASN1Primitive());
            }
            else
            {

                info = new PrivateKeyInfo(new AlgorithmIdentifier(X9ObjectIdentifiers.id_ecPublicKey, params.toASN1Primitive()), keyStructure.toASN1Primitive());
            }

            return info.getEncoded(ASN1Encoding.DER);
        }
        catch (IOException e)
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            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;
           
            if (params.isNamedCurve())
            {
                DERObjectIdentifier oid = (DERObjectIdentifier)params.getParameters();
                X9ECParameters      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);
                        }
                    }
                }

                dParams = new ECDomainParameters(
                                            ecP.getCurve(),
                                            ecP.getG(),
                                            ecP.getN(),
                                            ecP.getH(),
                                            ecP.getSeed());
            }
            else
            {
                X9ECParameters ecP = new X9ECParameters(
                            (ASN1Sequence)params.getParameters());
                dParams = new ECDomainParameters(
                                            ecP.getCurve(),
                                            ecP.getG(),
                                            ecP.getN(),
                                            ecP.getH(),
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            return new DSAPublicKeyParameters(derY.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;
           
            if (params.isNamedCurve())
            {
                DERObjectIdentifier oid = (DERObjectIdentifier)params.getParameters();
                X9ECParameters      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);
                        }
                    }
                }

                dParams = new ECDomainParameters(
                                            ecP.getCurve(),
                                            ecP.getG(),
                                            ecP.getN(),
                                            ecP.getH(),
                                            ecP.getSeed());
            }
            else
            {
                X9ECParameters ecP = new X9ECParameters(
                            (ASN1Sequence)params.getParameters());
                dParams = new ECDomainParameters(
                                            ecP.getCurve(),
                                            ecP.getG(),
                                            ecP.getN(),
                                            ecP.getH(),
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                            spec.getN(), spec.getH());

        }
        else
        {
            X962Parameters          params = new X962Parameters((DERObject)info.getAlgorithmId().getParameters());
            ECCurve                 curve;
            EllipticCurve           ellipticCurve;
           
            if (params.isNamedCurve())
            {
                DERObjectIdentifier oid = (DERObjectIdentifier)params.getParameters();
                X9ECParameters      ecP = ECUtil.getNamedCurveByOid(oid);

                curve = ecP.getCurve();
                ellipticCurve = EC5Util.convertCurve(curve, ecP.getSeed());

                ecSpec = new ECNamedCurveSpec(
                        ECUtil.getCurveName(oid),
                        ellipticCurve,
                        new ECPoint(
                                ecP.getG().getX().toBigInteger(),
                                ecP.getG().getY().toBigInteger()),
                        ecP.getN(),
                        ecP.getH());
            }
            else if (params.isImplicitlyCA())
            {
                ecSpec = null;
                curve = ProviderUtil.getEcImplicitlyCa().getCurve();
            }
            else
            {
                X9ECParameters          ecP = new X9ECParameters((ASN1Sequence)params.getParameters());
               
                curve = ecP.getCurve();
                ellipticCurve = EC5Util.convertCurve(curve, ecP.getSeed());

                this.ecSpec = new ECParameterSpec(
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        {
            if (ecSpec instanceof ECNamedCurveSpec)
            {
                DERObjectIdentifier curveOid = ECUtil.getNamedCurveOid(((ECNamedCurveSpec)ecSpec).getName());
               
                params = new X962Parameters(curveOid);
            }
            else if (ecSpec == null)
            {
                params = new X962Parameters(DERNull.INSTANCE);
            }
            else
            {
                ECCurve curve = EC5Util.convertCurve(ecSpec.getCurve());

                X9ECParameters ecP = new X9ECParameters(
                    curve,
                    EC5Util.convertPoint(curve, ecSpec.getGenerator(), withCompression),
                    ecSpec.getOrder(),
                    BigInteger.valueOf(ecSpec.getCofactor()),
                    ecSpec.getCurve().getSeed());

                params = new X962Parameters(ecP);
            }

            ECCurve curve = this.engineGetQ().getCurve();
            ASN1OctetString p = (ASN1OctetString)
                new X9ECPoint(curve.createPoint(this.getQ().getX().toBigInteger(), this.getQ().getY().toBigInteger(), withCompression)).getDERObject();
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    }

    JCEECPrivateKey(
        PrivateKeyInfo      info)
    {
        X962Parameters      params = new X962Parameters((DERObject)info.getAlgorithmId().getParameters());

        if (params.isNamedCurve())
        {
            DERObjectIdentifier oid = (DERObjectIdentifier)params.getParameters();
            X9ECParameters      ecP = ECUtil.getNamedCurveByOid(oid);

            if (ecP == null) // GOST Curve
            {
                ECDomainParameters gParam = ECGOST3410NamedCurves.getByOID(oid);
                EllipticCurve ellipticCurve = EC5Util.convertCurve(gParam.getCurve(), gParam.getSeed());

                ecSpec = new ECNamedCurveSpec(
                        ECGOST3410NamedCurves.getName(oid),
                        ellipticCurve,
                        new ECPoint(
                                gParam.getG().getX().toBigInteger(),
                                gParam.getG().getY().toBigInteger()),
                        gParam.getN(),
                        gParam.getH());
            }
            else
            {
                EllipticCurve ellipticCurve = EC5Util.convertCurve(ecP.getCurve(), ecP.getSeed());

                ecSpec = new ECNamedCurveSpec(
                        ECUtil.getCurveName(oid),
                        ellipticCurve,
                        new ECPoint(
                                ecP.getG().getX().toBigInteger(),
                                ecP.getG().getY().toBigInteger()),
                        ecP.getN(),
                        ecP.getH());
            }
        }
        else if (params.isImplicitlyCA())
        {
            ecSpec = null;
        }
        else
        {
            X9ECParameters      ecP = new X9ECParameters((ASN1Sequence)params.getParameters());
            EllipticCurve       ellipticCurve = EC5Util.convertCurve(ecP.getCurve(), ecP.getSeed());

            this.ecSpec = new ECParameterSpec(
                ellipticCurve,
                new ECPoint(
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     *
     * @return a PKCS8 representation of the key.
     */
    public byte[] getEncoded()
    {
        X962Parameters          params;

        if (ecSpec instanceof ECNamedCurveSpec)
        {
            DERObjectIdentifier curveOid = ECUtil.getNamedCurveOid(((ECNamedCurveSpec)ecSpec).getName());
           
            params = new X962Parameters(curveOid);
        }
        else if (ecSpec == null)
        {
            params = new X962Parameters(DERNull.INSTANCE);
        }
        else
        {
            ECCurve curve = EC5Util.convertCurve(ecSpec.getCurve());

            X9ECParameters ecP = new X9ECParameters(
                curve,
                EC5Util.convertPoint(curve, ecSpec.getGenerator(), withCompression),
                ecSpec.getOrder(),
                BigInteger.valueOf(ecSpec.getCofactor()),
                ecSpec.getCurve().getSeed());

            params = new X962Parameters(ecP);
        }
       
        PrivateKeyInfo          info;
       
        if (algorithm.equals("ECGOST3410"))
        {
            info = new PrivateKeyInfo(new AlgorithmIdentifier(CryptoProObjectIdentifiers.gostR3410_2001, params.getDERObject()), new ECPrivateKeyStructure(this.getS()).getDERObject());
        }
        else
        {
            info = new PrivateKeyInfo(new AlgorithmIdentifier(X9ObjectIdentifiers.id_ecPublicKey, params.getDERObject()), new ECPrivateKeyStructure(this.getS()).getDERObject());
        }

        return info.getDEREncoded();
    }
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        X962Parameters          params = new X962Parameters((DERObject)info.getAlgorithmId().getParameters());

        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(),
                                        ecP.getSeed());
        }
        else
        {
            X9ECParameters ecP = new X9ECParameters(
                        (ASN1Sequence)params.getParameters());
            ecSpec = new ECParameterSpec(
                                        ecP.getCurve(),
                                        ecP.getG(),
                                        ecP.getN(),
                                        ecP.getH(),
                                        ecP.getSeed());
        }

        DERBitString    bits = info.getPublicKeyData();
        byte[]          data = bits.getBytes();
    ASN1OctetString  key = new DEROctetString(data);
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        {
            params = new X962Parameters(X962NamedCurves.getOID(((ECNamedCurveParameterSpec)ecSpec).getName()));
        }
        else
        {
            X9ECParameters          ecP = new X9ECParameters(
                                            ecSpec.getCurve(),
                                            ecSpec.getG(),
                                            ecSpec.getN(),
                                            ecSpec.getH(),
                                            ecSpec.getSeed());
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        X962Parameters      params = new X962Parameters((DERObject)info.getAlgorithmId().getParameters());

        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(),
                                        ecP.getSeed());
        }
        else
        {
            X9ECParameters          ecP = new X9ECParameters((ASN1Sequence)params.getParameters());
            ecSpec = new ECParameterSpec(ecP.getCurve(),
                                            ecP.getG(),
                                            ecP.getN(),
                                            ecP.getH(),
                                            ecP.getSeed());
        }

        if (info.getPrivateKey() instanceof DERInteger)
        {
            DERInteger          derD = (DERInteger)info.getPrivateKey();
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Related Classes of org.bouncycastle.asn1.x9.X9FieldID

  • com.nimbusds.jose.crypto.ECDSAProvider
  • com.nimbusds.jose.crypto.ECDSASigner
  • com.nimbusds.jose.crypto.ECDSAVerifier
  • org.bouncycastle.asn1.ASN1Encodable
  • org.bouncycastle.asn1.ASN1EncodableVector
  • org.bouncycastle.asn1.ASN1Integer
  • org.bouncycastle.asn1.ASN1ObjectIdentifier
  • org.bouncycastle.asn1.ASN1SequenceParser
  • org.bouncycastle.asn1.BERSequence
  • org.bouncycastle.asn1.BERTaggedObject
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