Package org.bouncycastle.asn1.pkcs

Examples of org.bouncycastle.asn1.pkcs.DHParameter

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        return "X.509";
    }

    public byte[] getEncoded()
    {
        SubjectPublicKeyInfo    info = new SubjectPublicKeyInfo(new AlgorithmIdentifier(X9ObjectIdentifiers.dhpublicnumber, new DHParameter(dhSpec.getP(), dhSpec.getG(), dhSpec.getL()).getDERObject()), new DERInteger(y));

        return info.getDEREncoded();
    }
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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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        {
            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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            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();
           
            return new DHPublicKeyParameters(derY.getValue(), new DHParameters(params.getP(), params.getG()));
        }
        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))
        {
            DSAParameter    params = new DSAParameter((ASN1Sequence)keyInfo.getAlgorithmId().getParameters());
            DERInteger      derY = (DERInteger)keyInfo.getPublicKey();

            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);

                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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    }

    JCEDHPublicKey(
        SubjectPublicKeyInfo    info)
    {
        DHParameter             params = new DHParameter((ASN1Sequence)info.getAlgorithmId().getParameters());
        DERInteger              derY = null;

        try
        {
            derY = (DERInteger)info.getPublicKey();
        }
        catch (IOException e)
        {
            throw new IllegalArgumentException("invalid info structure in DH public key");
        }

        this.y = derY.getValue();
        if (params.getL() != null)
        {
            this.dhSpec = new DHParameterSpec(params.getP(), params.getG(), params.getL().intValue());
        }
        else
        {
            this.dhSpec = new DHParameterSpec(params.getP(), params.getG());
        }
    }
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        return "X.509";
    }

    public byte[] getEncoded()
    {
        SubjectPublicKeyInfo    info = new SubjectPublicKeyInfo(new AlgorithmIdentifier(X9ObjectIdentifiers.dhpublicnumber, new DHParameter(dhSpec.getP(), dhSpec.getG(), dhSpec.getL()).getDERObject()), new DERInteger(y));

        return info.getDEREncoded();
    }
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    }

    JCEDHPrivateKey(
        PrivateKeyInfo  info)
    {
        DHParameter     params = new DHParameter((ASN1Sequence)info.getAlgorithmId().getParameters());
        DERInteger      derX = (DERInteger)info.getPrivateKey();

        this.x = derX.getValue();
        if (params.getL() != null)
        {
            this.dhSpec = new DHParameterSpec(params.getP(), params.getG(), params.getL().intValue());
        }
        else
        {
            this.dhSpec = new DHParameterSpec(params.getP(), params.getG());
        }
    }
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     *
     * @return a PKCS8 representation of the key.
     */
    public byte[] getEncoded()
    {
        PrivateKeyInfo          info = new PrivateKeyInfo(new AlgorithmIdentifier(PKCSObjectIdentifiers.dhKeyAgreement, new DHParameter(dhSpec.getP(), dhSpec.getG(), dhSpec.getL()).getDERObject()), new DERInteger(getX()));

        return info.getDEREncoded();
    }
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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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            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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Related Classes of org.bouncycastle.asn1.pkcs.DHParameter

  • org.apache.geronimo.crypto.jce.provider.JCEDHPrivateKey
  • org.apache.geronimo.crypto.jce.provider.JCEDHPublicKey
  • org.apache.geronimo.util.asn1.ASN1EncodableVector
  • org.apache.geronimo.util.asn1.DERInteger
  • org.apache.geronimo.util.asn1.DERSequence
  • org.apache.geronimo.util.jce.provider.JCEDHPrivateKey
  • org.apache.geronimo.util.jce.provider.JCEDHPublicKey
  • org.bouncycastle.asn1.ASN1Encodable
  • org.bouncycastle.asn1.ASN1EncodableVector
  • org.bouncycastle.asn1.ASN1Integer
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