Package org.bouncycastle2.asn1.oiw

Examples of org.bouncycastle2.asn1.oiw.ElGamalParameter

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                return;
            }
            if (format.equals("ASN.1"))
            {
                ASN1InputStream aIn = new ASN1InputStream(params);
                IDEACBCPar      oct = new IDEACBCPar((ASN1Sequence)aIn.readObject());

                engineInit(oct.getIV());
                return;
            }

            throw new IOException("Unknown parameters format in IV parameters object");
        }
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    }

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

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

        this.y = derY.getValue();
        this.elSpec = new ElGamalParameterSpec(params.getP(), params.getG());
    }
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        return "X.509";
    }

    public byte[] getEncoded()
    {
        SubjectPublicKeyInfo    info = new SubjectPublicKeyInfo(new AlgorithmIdentifier(OIWObjectIdentifiers.elGamalAlgorithm, new ElGamalParameter(elSpec.getP(), elSpec.getG()).getDERObject()), new DERInteger(y));

        return info.getDEREncoded();
    }
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    }
   
    JCEElGamalPrivateKey(
        PrivateKeyInfo  info)
    {
        ElGamalParameter     params = new ElGamalParameter((ASN1Sequence)info.getAlgorithmId().getParameters());
        DERInteger      derX = (DERInteger)info.getPrivateKey();

        this.x = derX.getValue();
        this.elSpec = new ElGamalParameterSpec(params.getP(), params.getG());
    }
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     *
     * @return a PKCS8 representation of the key.
     */
    public byte[] getEncoded()
    {
        PrivateKeyInfo          info = new PrivateKeyInfo(new AlgorithmIdentifier(OIWObjectIdentifiers.elGamalAlgorithm, new ElGamalParameter(elSpec.getP(), elSpec.getG()).getDERObject()), new DERInteger(getX()));

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

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

                currentSpec = new ElGamalParameterSpec(elP.getP(), elP.getG());
            }
            catch (ClassCastException e)
            {
                throw new IOException("Not a valid ElGamal Parameter encoding.");
            }
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        if (info.getContentType().equals(data))
        {
            bIn = new ASN1InputStream(((ASN1OctetString)info.getContent()).getOctets());

            AuthenticatedSafe   authSafe = new AuthenticatedSafe((ASN1Sequence)bIn.readObject());
            ContentInfo[]       c = authSafe.getContentInfo();

            for (int i = 0; i != c.length; i++)
            {
                if (c[i].getContentType().equals(data))
                {
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        {
            new ContentInfo(data, keyString),
            new ContentInfo(encryptedData, cInfo.getDERObject())
        };

        AuthenticatedSafe   auth = new AuthenticatedSafe(info);

        ByteArrayOutputStream   bOut = new ByteArrayOutputStream();
        BEROutputStream         berOut = new BEROutputStream(bOut);

        berOut.writeObject(auth);
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        keyCerts = new Hashtable();

        for (int i = 0; i != chain.size(); i++)
        {
            SafeBag     b = (SafeBag)chain.elementAt(i);
            CertBag     cb = new CertBag((ASN1Sequence)b.getBagValue());

            if (!cb.getCertId().equals(x509Certificate))
            {
                throw new RuntimeException("Unsupported certificate type: " + cb.getCertId());
            }

            Certificate cert;

            try
            {
                ByteArrayInputStream  cIn = new ByteArrayInputStream(
                                ((ASN1OctetString)cb.getCertValue()).getOctets());
                cert = certFact.generateCertificate(cIn);
            }
            catch (Exception e)
            {
                throw new RuntimeException(e.toString());
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Related Classes of org.bouncycastle2.asn1.oiw.ElGamalParameter

  • org.bouncycastle2.asn1.ASN1EncodableVector
  • org.bouncycastle2.asn1.ASN1InputStream
  • org.bouncycastle2.asn1.ASN1Sequence
  • org.bouncycastle2.asn1.ASN1TaggedObject
  • org.bouncycastle2.asn1.BERSequence
  • org.bouncycastle2.asn1.BERTaggedObject
  • org.bouncycastle2.asn1.cms.ContentInfo
  • org.bouncycastle2.asn1.DERBitString
  • org.bouncycastle2.asn1.DERBoolean
  • org.bouncycastle2.asn1.DERIA5String
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