Package org.bouncycastle.asn1.x509

Examples of org.bouncycastle.asn1.x509.DSAParameter

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        {
            ASN1InputStream        aIn = new ASN1InputStream(params);

            try
            {
                DSAParameter dsaP = new DSAParameter((ASN1Sequence)aIn.readObject());

                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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            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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    {
        byte[]  hash = new byte[digest.getDigestSize()];

        digest.doFinal(hash, 0);

        DigestInfo  digInfo;
        byte[]      sig;

        try
        {
            sig = cipher.processBlock(sigBytes, 0, sigBytes.length);
            digInfo = derDecode(sig);
        }
        catch (Exception e)
        {
            return false;
        }

        if (!digInfo.getAlgorithmId().equals(algId))
        {
            return false;
        }

        byte[]  sigHash = digInfo.getDigest();

        if (hash.length != sigHash.length)
        {
            return false;
        }
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        byte[]  hash)
        throws IOException
    {
        ByteArrayOutputStream   bOut = new ByteArrayOutputStream();
        DEROutputStream         dOut = new DEROutputStream(bOut);
        DigestInfo              dInfo = new DigestInfo(algId, hash);

        dOut.writeObject(dInfo);

        return bOut.toByteArray();
    }
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        throws IOException
    {
        ByteArrayInputStream    bIn = new ByteArrayInputStream(encoding);
        DERInputStream          dIn = new DERInputStream(bIn);

        return new DigestInfo((ASN1Sequence)dIn.readObject());
    }
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            params = new X962Parameters(ecP);
        }

        ASN1OctetString    p = (ASN1OctetString)(new X9ECPoint(this.getQ()).getDERObject());

        SubjectPublicKeyInfo info = new SubjectPublicKeyInfo(new AlgorithmIdentifier(X9ObjectIdentifiers.id_ecPublicKey, params.getDERObject()), p.getOctets());

        try
        {
            dOut.writeObject(info);
            dOut.close();
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    public void setPublicKey(
        PublicKey       key)
    {
        try
        {
            tbsGen.setSubjectPublicKeyInfo(new SubjectPublicKeyInfo((ASN1Sequence)new DERInputStream(
                                new ByteArrayInputStream(key.getEncoded())).readObject()));
        }
        catch (Exception e)
        {
            throw new IllegalArgumentException("unable to process key - " + e.toString());
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        if (extensions != null)
        {
            tbsGen.setExtensions(new X509Extensions(extOrdering, extensions));
        }

        TBSCertificateStructure tbsCert = tbsGen.generateTBSCertificate();

        try
        {
            ByteArrayOutputStream   bOut = new ByteArrayOutputStream();
            DEROutputStream         dOut = new DEROutputStream(bOut);
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    }

    public void setNotBefore(
        Date    date)
    {
        tbsGen.setStartDate(new Time(date));
    }
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    }

    public void setNotAfter(
        Date    date)
    {
        tbsGen.setEndDate(new Time(date));
    }
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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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