package org.apache.commons.openpgp;

 /*

  * Licensed to the Apache Software Foundation (ASF) under one or more

  * contributor license agreements.  See the NOTICE file distributed with

  * this work for additional information regarding copyright ownership.

  * The ASF licenses this file to You under the Apache License, Version 2.0

  * (the "License"); you may not use this file except in compliance with

  * the License.  You may obtain a copy of the License at

  *

  *      http://www.apache.org/licenses/LICENSE-2.0

  *

  * Unless required by applicable law or agreed to in writing, software

  * distributed under the License is distributed on an "AS IS" BASIS,

  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

  * See the License for the specific language governing permissions and

  * limitations under the License.

  */

 import java.io.IOException;

 import java.io.InputStream;

 /**

  * Verify signatures using the Bouncy Castle OpenPGP provider.

  *

  * @author <a href="mailto:brett@apache.org">Brett Porter</a>

  */

 public class BouncyCastleOpenPgpSignatureVerifier

     implements OpenPgpSignatureVerifier

 {

     private static final int BUFFER_SIZE = 1024;

     public SignatureStatus verifySignature( InputStream data, KeyRing keyRing )

         throws OpenPgpException, UnknownKeyException

     {

         // TODO: implement

         return null;  //To change body of implemented methods use File | Settings | File Templates.

     }

     public SignatureStatus verifyDetachedSignature( InputStream data, InputStream signature, KeyRing keyRing )

         throws OpenPgpException, UnknownKeyException, IOException

     {

         OpenPgpStreamingSignatureVerifier verifier =

             new BouncyCastleOpenPgpStreamingSignatureVerifier( signature, keyRing );

         byte[] buf = new byte[BUFFER_SIZE];

         int len;

         do

         {

             len = data.read( buf );

             if ( len > 0 )

             {

                 verifier.update( buf, 0, len );

             }

         }

         while ( len >= 0 );

         return verifier.finish();

     }

 }