Package rdpclient.ntlmssp.asn1

Examples of rdpclient.ntlmssp.asn1.SubjectPublicKeyInfo


    public PublicKey getPublicKey(
        String  provider)
        throws NoSuchAlgorithmException, NoSuchProviderException,
                InvalidKeyException
    {
        SubjectPublicKeyInfo    subjectPKInfo = reqInfo.getSubjectPublicKeyInfo();

       
        try
        {
            X509EncodedKeySpec      xspec = new X509EncodedKeySpec(new DERBitString(subjectPKInfo).getBytes());
            AlgorithmIdentifier     keyAlg = subjectPKInfo.getAlgorithm();
            try
            {
                if (provider == null)
                {
                    return KeyFactory.getInstance(keyAlg.getAlgorithm().getId()).generatePublic(xspec);
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            ASN1OctetString issuerNameHash = new DEROctetString(digest.digest());
            PublicKey issuerKey = issuerCert.getPublicKey();

            ASN1InputStream aIn = new ASN1InputStream(issuerKey.getEncoded());
            SubjectPublicKeyInfo info = SubjectPublicKeyInfo.getInstance(aIn.readObject());

            digest.update(info.getPublicKeyData().getBytes());

            ASN1OctetString issuerKeyHash = new DEROctetString(digest.digest());

            return new CertID(hashAlg, issuerNameHash, issuerKeyHash, serialNumber);
        }
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    public static PublicKey publicToExplicitParameters(PublicKey key, Provider provider)
        throws IllegalArgumentException, NoSuchAlgorithmException
    {
        try
        {
            SubjectPublicKeyInfo info = SubjectPublicKeyInfo.getInstance(ASN1Primitive.fromByteArray(key.getEncoded()));

            if (info.getAlgorithmId().getObjectId().equals(CryptoProObjectIdentifiers.gostR3410_2001))
            {
                throw new IllegalArgumentException("cannot convert GOST key to explicit parameters.");
            }
            else
            {
                X962Parameters params = X962Parameters.getInstance(info.getAlgorithmId().getParameters());
                X9ECParameters curveParams;

                if (params.isNamedCurve())
                {
                    ASN1ObjectIdentifier oid = ASN1ObjectIdentifier.getInstance(params.getParameters());

                    curveParams = ECUtil.getNamedCurveByOid(oid);
                    // ignore seed value due to JDK bug
                    curveParams = new X9ECParameters(curveParams.getCurve(), curveParams.getG(), curveParams.getN(), curveParams.getH());
                }
                else if (params.isImplicitlyCA())
                {
                    curveParams = new X9ECParameters(BouncyCastleProvider.CONFIGURATION.getEcImplicitlyCa().getCurve(), BouncyCastleProvider.CONFIGURATION.getEcImplicitlyCa().getG(), BouncyCastleProvider.CONFIGURATION.getEcImplicitlyCa().getN(), BouncyCastleProvider.CONFIGURATION.getEcImplicitlyCa().getH());
                }
                else
                {
                    return key;   // already explicit
                }

                params = new X962Parameters(curveParams);

                info = new SubjectPublicKeyInfo(new AlgorithmIdentifier(X9ObjectIdentifiers.id_ecPublicKey, params), info.getPublicKeyData().getBytes());

                KeyFactory keyFact = KeyFactory.getInstance(key.getAlgorithm(), provider);

                return keyFact.generatePublic(new X509EncodedKeySpec(info.getEncoded()));
            }
        }
        catch (IllegalArgumentException e)
        {
            throw e;
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        {
            // TODO Allow specification of a particular provider
            MessageDigest digest = OCSPUtil.createDigestInstance("SHA1", null);

            ASN1InputStream aIn = new ASN1InputStream(key.getEncoded());
            SubjectPublicKeyInfo info = SubjectPublicKeyInfo.getInstance(aIn.readObject());

            digest.update(info.getPublicKeyData().getBytes());

            ASN1OctetString keyHash = new DEROctetString(digest.digest());

            this.id = new ResponderID(keyHash);
        }
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            throws IOException
    {

        ByteArrayInputStream _bais = new ByteArrayInputStream(_pubKey
                .getEncoded());
        SubjectPublicKeyInfo _info = new SubjectPublicKeyInfo(
                (ASN1Sequence)new ASN1InputStream(_bais).readObject());

        return new AuthorityKeyIdentifier(_info);
    }
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            throws IOException
    {

        ByteArrayInputStream _bais = new ByteArrayInputStream(_pubKey
                .getEncoded());
        SubjectPublicKeyInfo _info = new SubjectPublicKeyInfo(
                (ASN1Sequence)new ASN1InputStream(_bais).readObject());
        return new SubjectKeyIdentifier(_info);
    }
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    {
        if (publicKey instanceof RSAKeyParameters)
        {
            RSAKeyParameters pub = (RSAKeyParameters)publicKey;

            return new SubjectPublicKeyInfo(new AlgorithmIdentifier(PKCSObjectIdentifiers.rsaEncryption, DERNull.INSTANCE), new RSAPublicKey(pub.getModulus(), pub.getExponent()));
        }
        else if (publicKey instanceof DSAPublicKeyParameters)
        {
            DSAPublicKeyParameters pub = (DSAPublicKeyParameters)publicKey;

            return new SubjectPublicKeyInfo(new AlgorithmIdentifier(X9ObjectIdentifiers.id_dsa), new ASN1Integer(pub.getY()));
        }
        else if (publicKey instanceof ECPublicKeyParameters)
        {
            ECPublicKeyParameters pub = (ECPublicKeyParameters)publicKey;
            ECDomainParameters domainParams = pub.getParameters();
            ASN1Encodable      params;

            // TODO: need to handle named curves
            if (domainParams == null)
            {
                params = new X962Parameters(DERNull.INSTANCE);      // Implicitly CA
            }
            else
            {
                X9ECParameters ecP = new X9ECParameters(
                    domainParams.getCurve(),
                    domainParams.getG(),
                    domainParams.getN(),
                    domainParams.getH(),
                    domainParams.getSeed());

                params = new X962Parameters(ecP);
            }

            ASN1OctetString p = (ASN1OctetString)new X9ECPoint(pub.getQ()).toASN1Primitive();

            return new SubjectPublicKeyInfo(new AlgorithmIdentifier(X9ObjectIdentifiers.id_ecPublicKey, params), p.getOctets());
        }
        else
        {
            throw new IOException("key parameters not recognised.");
        }
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    private SubjectKeyIdentifier createSubjectKeyId(
        PublicKey pubKey)
    {
        try
        {
            SubjectPublicKeyInfo info = new SubjectPublicKeyInfo(
                (ASN1Sequence)ASN1Primitive.fromByteArray(pubKey.getEncoded()));

            return new SubjectKeyIdentifier(info);
        }
        catch (Exception e)
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        {
            TlsSigner tlsSigner = TlsUtils.createTlsSigner(this.clientCertificateType);
            tlsSigner.init(getContext());

            org.bouncycastle.asn1.x509.Certificate x509Cert = this.clientCertificate.getCertificateAt(0);
            SubjectPublicKeyInfo keyInfo = x509Cert.getSubjectPublicKeyInfo();
            AsymmetricKeyParameter publicKey = PublicKeyFactory.createKey(keyInfo);

            tlsSigner.verifyRawSignature(clientCertificateSignature, publicKey, this.certificateVerifyHash);
        }
        catch (Exception e)
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    }

    public byte[] getEncoded()
    {
        ASN1Encodable params;
        SubjectPublicKeyInfo info;

        if (algorithm.equals("DSTU4145"))
        {
            if (dstuParams != null)
            {
                params = dstuParams;
            }
            else
            {
                if (ecSpec instanceof ECNamedCurveSpec)
                {
                    params = new DSTU4145Params(new ASN1ObjectIdentifier(((ECNamedCurveSpec)ecSpec).getName()));
                }
                else
                {   // strictly speaking this may not be applicable...
                    ECCurve curve = EC5Util.convertCurve(ecSpec.getCurve());

                    X9ECParameters ecP = new X9ECParameters(
                        curve,
                        EC5Util.convertPoint(curve, ecSpec.getGenerator(), withCompression),
                        ecSpec.getOrder(),
                        BigInteger.valueOf(ecSpec.getCofactor()),
                        ecSpec.getCurve().getSeed());

                    params = new X962Parameters(ecP);
                }
            }

            byte[] encKey = DSTU4145PointEncoder.encodePoint(this.q);

            try
            {
                info = new SubjectPublicKeyInfo(new AlgorithmIdentifier(UAObjectIdentifiers.dstu4145be, params), new DEROctetString(encKey));
            }
            catch (IOException e)
            {
                return null;
            }
        }
        else
        {
            if (ecSpec instanceof ECNamedCurveSpec)
            {
                ASN1ObjectIdentifier curveOid = ECUtil.getNamedCurveOid(((ECNamedCurveSpec)ecSpec).getName());
                if (curveOid == null)
                {
                    curveOid = new ASN1ObjectIdentifier(((ECNamedCurveSpec)ecSpec).getName());
                }
                params = new X962Parameters(curveOid);
            }
            else if (ecSpec == null)
            {
                params = new X962Parameters(DERNull.INSTANCE);
            }
            else
            {
                ECCurve curve = EC5Util.convertCurve(ecSpec.getCurve());

                X9ECParameters ecP = new X9ECParameters(
                    curve,
                    EC5Util.convertPoint(curve, ecSpec.getGenerator(), withCompression),
                    ecSpec.getOrder(),
                    BigInteger.valueOf(ecSpec.getCofactor()),
                    ecSpec.getCurve().getSeed());

                params = new X962Parameters(ecP);
            }

            ECCurve curve = this.engineGetQ().getCurve();
            ASN1OctetString p = (ASN1OctetString)
                new X9ECPoint(curve.createPoint(this.getQ().getX().toBigInteger(), this.getQ().getY().toBigInteger(), withCompression)).toASN1Primitive();

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

        return KeyUtil.getEncodedSubjectPublicKeyInfo(info);
    }
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