Package org.bouncycastle.asn1.x509

Examples of org.bouncycastle.asn1.x509.AlgorithmIdentifier

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        throws OCSPException
    {
        try
        {
            MessageDigest       digest = MessageDigest.getInstance(hashAlgorithm, provider);
            AlgorithmIdentifier hashAlg = new AlgorithmIdentifier(
                                        new DERObjectIdentifier(hashAlgorithm), new DERNull());

            X509Principal issuerName = PrincipalUtil.getSubjectX509Principal(issuerCert);

            digest.update(issuerName.getEncoded());
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            catch (Exception e)
            {
                throw new OCSPException("exception processing TBSRequest: " + e, e);
            }

            AlgorithmIdentifier sigAlgId = new AlgorithmIdentifier(signingAlgorithm, new DERNull());

            if (chain != null && chain.length > 0)
            {
                ASN1EncodableVector v = new ASN1EncodableVector();
                try
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        catch (Exception e)
        {
            throw new OCSPException("exception processing TBSRequest: " + e, e);
        }

        AlgorithmIdentifier sigAlgId = OCSPUtil.getSigAlgID(signingAlgorithm);

        if (chain != null && chain.length > 0)
        {
            ASN1EncodableVector v = new ASN1EncodableVector();
            try
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     */
    public static AsymmetricKeyParameter createKey(
        PrivateKeyInfo    keyInfo)
        throws IOException
    {
        AlgorithmIdentifier     algId = keyInfo.getAlgorithmId();
       
        if (algId.getObjectId().equals(PKCSObjectIdentifiers.rsaEncryption))
        {
            RSAPrivateKeyStructure  keyStructure = new RSAPrivateKeyStructure((ASN1Sequence)keyInfo.getPrivateKey());

            return new RSAPrivateCrtKeyParameters(
                                        keyStructure.getModulus(),
                                        keyStructure.getPublicExponent(),
                                        keyStructure.getPrivateExponent(),
                                        keyStructure.getPrime1(),
                                        keyStructure.getPrime2(),
                                        keyStructure.getExponent1(),
                                        keyStructure.getExponent2(),
                                        keyStructure.getCoefficient());
        }
        else if (algId.getObjectId().equals(PKCSObjectIdentifiers.dhKeyAgreement))
        {
            DHParameter     params = new DHParameter((ASN1Sequence)keyInfo.getAlgorithmId().getParameters());
            DERInteger      derX = (DERInteger)keyInfo.getPrivateKey();

            return new DHPrivateKeyParameters(derX.getValue(), new DHParameters(params.getP(), params.getG()));
        }
        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))
        {
            DSAParameter    params = new DSAParameter((ASN1Sequence)keyInfo.getAlgorithmId().getParameters());
            DERInteger      derX = (DERInteger)keyInfo.getPrivateKey();

            return new DSAPrivateKeyParameters(derX.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())
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    static AlgorithmIdentifier getSigAlgID(
        DERObjectIdentifier sigOid)
    {
        if (noParams.contains(sigOid))
        {
            return new AlgorithmIdentifier(sigOid);
        }
        else
        {
            return new AlgorithmIdentifier(sigOid, new DERNull());
        }
    }
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        throws DataLengthException, IllegalArgumentException
    {
        // ECC-CMS-SharedInfo
        ASN1EncodableVector v = new ASN1EncodableVector();

        v.add(new AlgorithmIdentifier(algorithm, new DERNull()));
        v.add(new DERTaggedObject(true, 2, new DEROctetString(integerToBytes(keySize))));

        kdf.init(new KDFParameters(z, new DERSequence(v).getDEREncoded()));

        return kdf.generateBytes(out, outOff, len);
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     */
    public static AsymmetricKeyParameter createKey(
        SubjectPublicKeyInfo    keyInfo)
        throws IOException
    {
        AlgorithmIdentifier     algId = keyInfo.getAlgorithmId();
       
        if (algId.getObjectId().equals(PKCSObjectIdentifiers.rsaEncryption)
            || algId.getObjectId().equals(X509ObjectIdentifiers.id_ea_rsa))
        {
            RSAPublicKeyStructure   pubKey = new RSAPublicKeyStructure((ASN1Sequence)keyInfo.getPublicKey());

            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())
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        if (sigOID == null)
        {
            throw new IllegalArgumentException("Unknown signature type requested");
        }

        sigAlgId = new AlgorithmIdentifier(this.sigOID, new DERNull());

        tbsGen.setSignature(sigAlgId);
    }
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        if (version.intValue() != 0)
        {
            throw new IllegalArgumentException("wrong version for private key info");
        }

        algId = new AlgorithmIdentifier((ASN1Sequence)e.nextElement());

        try
        {
            ASN1InputStream         aIn = new ASN1InputStream(((ASN1OctetString)e.nextElement()).getOctets());
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    public RSADigestSigner(
        Digest digest)
    {
        this.digest = digest;

        algId = new AlgorithmIdentifier((DERObjectIdentifier)oidMap.get(digest.getAlgorithmName()), DERNull.INSTANCE);
    }
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