Examples of DHParameter

Examples of org.bouncycastle.asn1.pkcs.DHParameter

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        this.info = info;
        this.x = derX.getValue();

        if (id.equals(PKCSObjectIdentifiers.dhKeyAgreement))
        {
            DHParameter params = DHParameter.getInstance(seq);

            if (params.getL() != null)
            {
                this.dhSpec = new DHParameterSpec(params.getP(), params.getG(), params.getL().intValue());
            }
            else
            {
                this.dhSpec = new DHParameterSpec(params.getP(), params.getG());
            }
        }
        else if (id.equals(X9ObjectIdentifiers.dhpublicnumber))
        {
            DHDomainParameters params = DHDomainParameters.getInstance(seq);

            this.dhSpec = new DHParameterSpec(params.getP().getValue(), params.getG().getValue());
        }
        else
        {
            throw new IllegalArgumentException("unknown algorithm type: " + id);
        }
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Examples of org.bouncycastle.asn1.pkcs.DHParameter

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            if (info != null)
            {
                return info.getEncoded(ASN1Encoding.DER);
            }

            PrivateKeyInfo          info = new PrivateKeyInfo(new AlgorithmIdentifier(PKCSObjectIdentifiers.dhKeyAgreement, new DHParameter(dhSpec.getP(), dhSpec.getG(), dhSpec.getL()).toASN1Primitive()), new ASN1Integer(getX()));

            return info.getEncoded(ASN1Encoding.DER);
        }
        catch (Exception e)
        {
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Examples of org.bouncycastle.asn1.pkcs.DHParameter

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        ASN1ObjectIdentifier id = info.getAlgorithm().getAlgorithm();

        // we need the PKCS check to handle older keys marked with the X9 oid.
        if (id.equals(PKCSObjectIdentifiers.dhKeyAgreement) || isPKCSParam(seq))
        {
            DHParameter             params = DHParameter.getInstance(seq);

            if (params.getL() != null)
            {
                this.dhSpec = new DHParameterSpec(params.getP(), params.getG(), params.getL().intValue());
            }
            else
            {
                this.dhSpec = new DHParameterSpec(params.getP(), params.getG());
            }
        }
        else if (id.equals(X9ObjectIdentifiers.dhpublicnumber))
        {
            DHDomainParameters params = DHDomainParameters.getInstance(seq);

            this.dhSpec = new DHParameterSpec(params.getP().getValue(), params.getG().getValue());
        }
        else
        {
            throw new IllegalArgumentException("unknown algorithm type: " + id);
        }
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Examples of org.bouncycastle.asn1.pkcs.DHParameter

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        if (info != null)
        {
            return KeyUtil.getEncodedSubjectPublicKeyInfo(info);
        }

        return KeyUtil.getEncodedSubjectPublicKeyInfo(new AlgorithmIdentifier(PKCSObjectIdentifiers.dhKeyAgreement, new DHParameter(dhSpec.getP(), dhSpec.getG(), dhSpec.getL()).toASN1Primitive()), new ASN1Integer(y));
    }
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Examples of org.bouncycastle.asn1.pkcs.DHParameter

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         *                   privateValueLength INTEGER OPTIONAL}
         * </pre>
         */
        protected byte[] engineGetEncoded()
        {
            DHParameter dhP = new DHParameter(currentSpec.getP(), currentSpec.getG(), currentSpec.getL());

            try
            {
                return dhP.getEncoded(ASN1Encodable.DER);               
            }
            catch (IOException e)
            {
                throw new RuntimeException("Error encoding DHParameters");
            }
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Examples of org.bouncycastle.asn1.pkcs.DHParameter

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            byte[] params)
            throws IOException
        {
            try
            {
                DHParameter dhP = new DHParameter((ASN1Sequence)ASN1Object.fromByteArray(params));

                if (dhP.getL() != null)
                {
                    currentSpec = new DHParameterSpec(dhP.getP(), dhP.getG(), dhP.getL().intValue());
                }
                else
                {
                    currentSpec = new DHParameterSpec(dhP.getP(), dhP.getG());
                }
            }
            catch (ClassCastException e)
            {
                throw new IOException("Not a valid DH Parameter encoding.");
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Examples of org.bouncycastle.asn1.pkcs.DHParameter

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                                        keyStructure.getExponent2(),
                                        keyStructure.getCoefficient());
        }
        else if (algId.getObjectId().equals(PKCSObjectIdentifiers.dhKeyAgreement))
        {
            DHParameter     params = new DHParameter((ASN1Sequence)keyInfo.getAlgorithmId().getParameters());
            DERInteger      derX = (DERInteger)keyInfo.getPrivateKey();

            BigInteger lVal = params.getL();
            int l = lVal == null ? 0 : lVal.intValue();
            DHParameters dhParams = new DHParameters(params.getP(), params.getG(), null, l);

            return new DHPrivateKeyParameters(derX.getValue(), dhParams);
        }
        else if (algId.getObjectId().equals(OIWObjectIdentifiers.elGamalAlgorithm))
        {
            ElGamalParameter    params = new ElGamalParameter((ASN1Sequence)keyInfo.getAlgorithmId().getParameters());
            DERInteger          derX = (DERInteger)keyInfo.getPrivateKey();

            return new ElGamalPrivateKeyParameters(derX.getValue(), new ElGamalParameters(params.getP(), params.getG()));
        }
        else if (algId.getObjectId().equals(X9ObjectIdentifiers.id_dsa))
        {
            DERInteger derX = (DERInteger)keyInfo.getPrivateKey();
            DEREncodable de = keyInfo.getAlgorithmId().getParameters();

            DSAParameters parameters = null;
            if (de != null)
            {
                DSAParameter params = DSAParameter.getInstance(de.getDERObject());
                parameters = new DSAParameters(params.getP(), params.getQ(), params.getG());
            }

            return new DSAPrivateKeyParameters(derX.getValue(), parameters);
        }
        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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Examples of org.bouncycastle.asn1.pkcs.DHParameter

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            return new RSAKeyParameters(false, pubKey.getModulus(), pubKey.getPublicExponent());
        }
        else if (algId.getObjectId().equals(PKCSObjectIdentifiers.dhKeyAgreement)
                 || algId.getObjectId().equals(X9ObjectIdentifiers.dhpublicnumber))
        {
            DHParameter params = new DHParameter((ASN1Sequence)keyInfo.getAlgorithmId().getParameters());
            DERInteger  derY = (DERInteger)keyInfo.getPublicKey();
           
            BigInteger lVal = params.getL();
            int l = lVal == null ? 0 : lVal.intValue();
            DHParameters dhParams = new DHParameters(params.getP(), params.getG(), null, l);

            return new DHPublicKeyParameters(derY.getValue(), dhParams);
        }
        else if (algId.getObjectId().equals(OIWObjectIdentifiers.elGamalAlgorithm))
        {
            ElGamalParameter    params = new ElGamalParameter((ASN1Sequence)keyInfo.getAlgorithmId().getParameters());
            DERInteger          derY = (DERInteger)keyInfo.getPublicKey();

            return new ElGamalPublicKeyParameters(derY.getValue(), new ElGamalParameters(params.getP(), params.getG()));
        }
        else if (algId.getObjectId().equals(X9ObjectIdentifiers.id_dsa)
                 || algId.getObjectId().equals(OIWObjectIdentifiers.dsaWithSHA1))
        {
            DERInteger derY = (DERInteger)keyInfo.getPublicKey();
            DEREncodable de = keyInfo.getAlgorithmId().getParameters();

            DSAParameters parameters = null;
            if (de != null)
            {
                DSAParameter params = DSAParameter.getInstance(de.getDERObject());
                parameters = new DSAParameters(params.getP(), params.getQ(), params.getG());
            }

            return new DSAPublicKeyParameters(derY.getValue(), parameters);
        }
        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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Examples of org.bouncycastle.asn1.pkcs.DHParameter

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         */
        protected byte[] engineGetEncoded()
        {
            ByteArrayOutputStream   bOut = new ByteArrayOutputStream();
            DEROutputStream         dOut = new DEROutputStream(bOut);
            DHParameter             dhP = new DHParameter(currentSpec.getP(), currentSpec.getG(), currentSpec.getL());

            try
            {
                dOut.writeObject(dhP);
                dOut.close();
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Examples of org.bouncycastle.asn1.pkcs.DHParameter

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        {
            ASN1InputStream        aIn = new ASN1InputStream(params);

            try
            {
                DHParameter dhP = new DHParameter((ASN1Sequence)aIn.readObject());

                if (dhP.getL() != null)
                {
                    currentSpec = new DHParameterSpec(dhP.getP(), dhP.getG(), dhP.getL().intValue());
                }
                else
                {
                    currentSpec = new DHParameterSpec(dhP.getP(), dhP.getG());
                }
            }
            catch (ClassCastException e)
            {
                throw new IOException("Not a valid DH Parameter encoding.");
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