コード例 #1
0
 internal ClientEncryptionSink(IClientChannelSink next, EncryptionHelper encrHelper)
 {
     nextSink = next;
     this.encrHelper = encrHelper;
 }
コード例 #2
0
        void IClientChannelSink.ProcessMessage(IMessage msg, ITransportHeaders requestHeaders, System.IO.Stream requestStream, out ITransportHeaders responseHeaders, out System.IO.Stream responseStream)
        {
            if (!encrHelper.HasKey)
            {
                ITransportHeaders encrHeaders = new TransportHeaders();
                System.IO.MemoryStream encrStream = new System.IO.MemoryStream();
                encrHelper.Initiate(encrHeaders);

                ITransportHeaders encredHeaders;
                System.IO.Stream encredStream;
                try
                {
                    nextSink.ProcessMessage(msg, encrHeaders, encrStream, out encredHeaders, out encredStream);
                    encrHelper.Finalize(encredHeaders);
                }
                catch (Exception ex)
                {
                    encrHelper = new EncryptionHelper();
                }
            }

            /*System.IO.MemoryStream memStream = EncryptionHelper.ToMemoryStream(requestStream);
            string text = new string(System.Text.UTF8Encoding.UTF8.GetChars(memStream.ToArray()));
            requestStream = memStream;*/

            encrHelper.Encrypt(requestHeaders, ref requestStream);
            nextSink.ProcessMessage(msg, requestHeaders, requestStream, out responseHeaders, out responseStream);
            if (EncryptionHelper.IsEncrypted(responseHeaders))
            {
                encrHelper.Decrypt(responseHeaders, ref responseStream);
            }
            else
            {
                encrHelper = new EncryptionHelper();
            }
            /*
            System.IO.MemoryStream respStream = EncryptionHelper.ToMemoryStream(responseStream);
            text = new string(System.Text.UTF8Encoding.UTF8.GetChars(respStream.ToArray()));
            responseStream = respStream;*/
        }
コード例 #3
0
        ServerProcessing IServerChannelSink.ProcessMessage(IServerChannelSinkStack sinkStack, IMessage requestMsg, ITransportHeaders requestHeaders, System.IO.Stream requestStream, out IMessage responseMsg, out ITransportHeaders responseHeaders, out System.IO.Stream responseStream)
        {
            if (EncryptionHelper.IsInitiation(requestHeaders))
            {
                EncryptionHelper helper = new EncryptionHelper();

                responseHeaders = new TransportHeaders();
                responseStream = new System.IO.MemoryStream();
                responseMsg = requestMsg;

                helper.Respond(requestHeaders, responseHeaders);

                contexts.Add(helper.Ticket, helper);

                return ServerProcessing.Complete;
            }
            else if (EncryptionHelper.IsEncrypted(requestHeaders) && contexts.ContainsKey(EncryptionHelper.GetTicket(requestHeaders)) && contexts[EncryptionHelper.GetTicket(requestHeaders)].HasKey)
            {
                EncryptionHelper helper = contexts[EncryptionHelper.GetTicket(requestHeaders)];

                helper.Decrypt(requestHeaders, ref requestStream);

                /*System.IO.MemoryStream memStream = EncryptionHelper.ToMemoryStream(requestStream);
                string text = new string(System.Text.UTF8Encoding.UTF8.GetChars(memStream.ToArray()));*/

                ServerProcessing result = nextSink.ProcessMessage(sinkStack, requestMsg, requestHeaders, requestStream, out responseMsg, out responseHeaders, out responseStream);

                /*System.IO.MemoryStream respStream = EncryptionHelper.ToMemoryStream(responseStream);
                string text = new string(System.Text.UTF8Encoding.UTF8.GetChars(respStream.ToArray()));
                responseStream = respStream;*/

                helper.Encrypt(responseHeaders, ref responseStream);

                return result;
            }
            else
                throw new System.Security.Cryptography.CryptographicException("Message is not encrypted or no key could be found for this host.");
        }