Package org.bouncycastle.asn1.x509

Examples of org.bouncycastle.asn1.x509.DSAParameter

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    return getExtensionOIDs(false);
  }

    public byte[] getExtensionValue(String oid)
  {
    X509Extensions exts = c.getTBSCertList().getExtensions();

    if (exts != null)
    {
      X509Extension   ext = exts.getExtension(new DERObjectIdentifier(oid));

      if (ext != null)
      {
                ByteArrayOutputStream   bOut = new ByteArrayOutputStream();
                DEROutputStream dOut = new DEROutputStream(bOut);
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    certificateGenerator.setSignatureAlgorithm( "MD5WithRSAEncryption" );
   
    certificateGenerator.setSerialNumber( new BigInteger( ""+SystemTime.getCurrentTime()));
         
    X509Name  issuer_dn = new X509Name(true,cert_dn);
   
    certificateGenerator.setIssuerDN(issuer_dn);
   
    X509Name  subject_dn = new X509Name(true,cert_dn);
   
    certificateGenerator.setSubjectDN(subject_dn);
   
    Calendar  not_after = Calendar.getInstance();
   
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            // Add the signerInfo version
            //
            signerinfo.add(new DERInteger(signerversion));

            IssuerAndSerialNumber isAnds = new IssuerAndSerialNumber(
                        new X509Name((ASN1Sequence)getIssuer(signCert.getTBSCertificate())),
                        new DERInteger(signCert.getSerialNumber()));
            signerinfo.add(isAnds);

            // Add the digestAlgorithm
            //
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        this.y = derY.getValue();

        if (isNotNull(info.getAlgorithmId().getParameters()))
        {
            DSAParameter params = new DSAParameter((ASN1Sequence)info.getAlgorithmId().getParameters());
           
            this.dsaSpec = new DSAParameterSpec(params.getP(), params.getQ(), params.getG());
        }
    }
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        if (dsaSpec == null)
        {
            return new SubjectPublicKeyInfo(new AlgorithmIdentifier(X9ObjectIdentifiers.id_dsa), new DERInteger(y)).getDEREncoded();
        }

        return new SubjectPublicKeyInfo(new AlgorithmIdentifier(X9ObjectIdentifiers.id_dsa, new DSAParameter(dsaSpec.getP(), dsaSpec.getQ(), dsaSpec.getG()).getDERObject()), new DERInteger(y)).getDEREncoded();
    }
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    }

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

        this.x = derX.getValue();
        this.dsaSpec = new DSAParameterSpec(params.getP(), params.getQ(), params.getG());
    }
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     *
     * @return a PKCS8 representation of the key.
     */
    public byte[] getEncoded()
    {
        PrivateKeyInfo          info = new PrivateKeyInfo(new AlgorithmIdentifier(X9ObjectIdentifiers.id_dsa, new DSAParameter(dsaSpec.getP(), dsaSpec.getQ(), dsaSpec.getG()).getDERObject()), new DERInteger(getX()));

        return info.getDEREncoded();
    }
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         *                   base INTEGER, -- g}
         * </pre>
         */
        protected byte[] engineGetEncoded()
        {
            DSAParameter dsaP = new DSAParameter(currentSpec.getP(), currentSpec.getQ(), currentSpec.getG());

            try
            {
                return dsaP.getEncoded(ASN1Encodable.DER);
            }
            catch (IOException e)
            {
                throw new RuntimeException("Error encoding DSAParameters");
            }
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            byte[] params)
            throws IOException
        {
            try
            {
                DSAParameter dsaP = new DSAParameter((ASN1Sequence)ASN1Object.fromByteArray(params));

                currentSpec = new DSAParameterSpec(dsaP.getP(), dsaP.getQ(), dsaP.getG());
            }
            catch (ClassCastException e)
            {
                throw new IOException("Not a valid DSA Parameter encoding.");
            }
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            }
            else if (o instanceof DSAPrivateKey)
            {
                type = "DSA PRIVATE KEY";
               
                DSAParameter        p = DSAParameter.getInstance(info.getAlgorithmId().getParameters());
                ASN1EncodableVector v = new ASN1EncodableVector();
               
                v.add(new DERInteger(0));
                v.add(new DERInteger(p.getP()));
                v.add(new DERInteger(p.getQ()));
                v.add(new DERInteger(p.getG()));
               
                BigInteger x = ((DSAPrivateKey)o).getX();
                BigInteger y = p.getG().modPow(x, p.getP());
               
                v.add(new DERInteger(y));
                v.add(new DERInteger(x));

                encoding = new DERSequence(v).getEncoded();
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Related Classes of org.bouncycastle.asn1.x509.DSAParameter

  • net.sf.libpdfsign.CRLDownloader
  • net.sf.libpdfsign.OCSPClient
  • org.apache.geronimo.crypto.jce.provider.JDKDSAPrivateKey
  • org.apache.geronimo.crypto.jce.provider.JDKDSAPublicKey
  • org.apache.geronimo.util.asn1.ASN1EncodableVector
  • org.apache.geronimo.util.asn1.DERInteger
  • org.apache.geronimo.util.asn1.DERSequence
  • org.apache.geronimo.util.jce.provider.JDKDSAPrivateKey
  • org.apache.geronimo.util.jce.provider.JDKDSAPublicKey
  • org.bouncycastle.asn1.ASN1Encodable
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