Пример #1
0
 public void When_ProvidedWithAnError_ParseShouldThrowAnException(string response)
 {
     Should.Throw <MessageParseException>(() =>
     {
         var _ = ServerFirstMessage.Parse(response);
     });
 }
Пример #2
0
        public void Authenticate()
        {
            var clientFirstMessage = new ClientFirstMessage(_username, _nonce);

            Send(clientFirstMessage.Message);

            var serverFirstMessage = ServerFirstMessage.ParseResponse(Receive());
            var hashedPassword     = Hash.ComputeHash(Encoding.UTF8.GetBytes(_password), serverFirstMessage.Salt.Value,
                                                      serverFirstMessage.Iterations.Value);
            var clientKey = Hash.ComputeHash(Encoding.UTF8.GetBytes("Client Key"), hashedPassword);
            var serverKey = Hash.ComputeHash(Encoding.UTF8.GetBytes("Server Key"), hashedPassword);
            var storedKey = Hash.ComputeHash(clientKey);

            var clientFinalMessage = new ClientFinalMessage(clientFirstMessage, serverFirstMessage);
            var authMessage        =
                $"{clientFirstMessage.BareMessage},{serverFirstMessage},{clientFinalMessage.MessageWithoutProof}";
            var clientSignature = Hash.ComputeHash(Encoding.UTF8.GetBytes(authMessage), storedKey);
            var serverSignature = Hash.ComputeHash(Encoding.UTF8.GetBytes(authMessage), serverKey);
            var clientProof     = clientKey.ExclusiveOr(clientSignature);

            clientFinalMessage.SetProof(clientProof);

            Send(clientFinalMessage.Message);

            var serverFinalMessage = ServerFinalMessage.ParseResponse(Receive());

            if (!serverFinalMessage.ServerSignature.Equals(serverSignature))
            {
                throw new InvalidOperationException();
            }
        }
Пример #3
0
        public void When_CreatedWithStringConstructor_ThePropertiesShouldBeValid()
        {
            var message = new ServerFirstMessage(4096, "nonce", "salt");

            message.Iterations?.Value.ShouldBe(4096);
            message.Nonce?.Value.ShouldBe("nonce");
            message.Salt?.ToString().ShouldBe("s = salt");
        }
Пример #4
0
        public void When_ProvidedWithAMessage_ParseShouldSetTheProperties(string message)
        {
            var response = ServerFirstMessage.Parse(message);

            response.Iterations?.Value.ShouldBe(4096);
            response.Nonce?.Value.ShouldBe("fyko+d2lbbFgONRv9qkxdawL3rfcNHYJY1ZVvWVs7j");
            response.Salt?.ToString().ShouldBe("s = QSXCR+Q6sek8bf92");
        }
        public void When_Created_PropertiesShouldBeValid()
        {
            var clientFirst = new ClientFirstMessage("user", "nonce");
            var serverFirst = new ServerFirstMessage(4096, "nonce", "salt");

            var message = new ClientFinalMessage(clientFirst, serverFirst);

            message.Channel.Value.ShouldBe("biws");
            message.Nonce.Value.ShouldBe("nonce");
            message.Proof.ShouldBeNull();
            message.Message.ShouldBe("c=biws,r=nonce,");
            message.MessageWithoutProof.ShouldBe("c=biws,r=nonce");
        }
        public void When_ProofIsSetAsString_PropertiesShouldBeValid()
        {
            var clientFirst = new ClientFirstMessage("user", "nonce");
            var serverFirst = new ServerFirstMessage(4096, "nonce", "salt");

            var message = new ClientFinalMessage(clientFirst, serverFirst);

            message.SetProof("bf45fcbf7073d93d022466c94321745fe1c8e13b");

            message.Channel.Value.ShouldBe("biws");
            message.Nonce.Value.ShouldBe("nonce");
            message.Proof?.ToString().ShouldBe("p=bf45fcbf7073d93d022466c94321745fe1c8e13b");
            message.Message.ShouldBe("c=biws,r=nonce,p=bf45fcbf7073d93d022466c94321745fe1c8e13b");
            message.MessageWithoutProof.ShouldBe("c=biws,r=nonce");
        }
        private Response ProcessChallenge(Challenge tag)
        {
            _serverResponse = _encoding.GetString(tag.Bytes);

            _serverFirstMessage = ServerFirstMessage.ParseResponse(_serverResponse);

            _clientFinalMessage = new ClientFinalMessage(_clientFirstMessage, _serverFirstMessage);

            CalculateProofs();

            var message = Client.Registry.GetTag <Response>(Response.XmlName);

            message.Bytes = _encoding.GetBytes(_clientFinalMessage.Message);

            return(message);
        }
Пример #8
0
        private Tag ProcessChallenge(Tag tag)
        {
            _serverResponse = _encoding.GetString(tag.Bytes);

            _serverFirstMessage = ServerFirstMessage.ParseResponse(_serverResponse);
            Logger.Log(LogLevel.Debug, $"Server NONCE: {_serverFirstMessage.Nonce}");

            _clientFinalMessage = new ClientFinalMessage(_clientFirstMessage, _serverFirstMessage);

            CalculateProofs();

            Logger.Log(LogLevel.Debug, $"Client final after proof: {_clientFinalMessage.Message}");

            var message = Client.Registry.GetTag <Response>(Response.XmlName);

            message.Bytes = _encoding.GetBytes(_clientFinalMessage.Message);

            return(message);
        }
Пример #9
0
 public ClientFinalMessage(ClientFirstMessage clientFirstMessage, ServerFirstMessage serverFirstMessage)
 {
     Channel = new ChannelAttribute(clientFirstMessage.Gs2Header);
     Nonce   = new NonceAttribute(serverFirstMessage.Nonce.Value);
 }