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ExchangeAlgorithmType Enumeration

Specifies the algorithm used to create keys shared by the client and server.

Namespace:  System.Security.Authentication
Assembly:  System (in System.dll)

public enum class ExchangeAlgorithmType

Member nameDescription
DiffieHellmanThe Diffie Hellman ephemeral key exchange algorithm.
NoneNo key exchange algorithm is used.
RsaKeyXThe RSA public-key exchange algorithm.
RsaSignThe RSA public-key signature algorithm.

This enumeration specifies valid values for the SslStream::KeyExchangeAlgorithm property.

The following example displays the properties of an SslStream.

   static void AuthenticateCallback( IAsyncResult^ ar )
   {
      SslStream^ stream = dynamic_cast<SslStream^>(ar->AsyncState);
      try
      {
         stream->EndAuthenticateAsClient( ar );
         Console::WriteLine( L"Authentication succeeded." );
         Console::WriteLine( L"Cipher: {0} strength {1}", stream->CipherAlgorithm, stream->CipherStrength );
         Console::WriteLine( L"Hash: {0} strength {1}", stream->HashAlgorithm, stream->HashStrength );
         Console::WriteLine( L"Key exchange: {0} strength {1}", stream->KeyExchangeAlgorithm, stream->KeyExchangeStrength );
         Console::WriteLine( L"Protocol: {0}", stream->SslProtocol );

         // Encode a test message into a byte array. 
         // Signal the end of the message using the "<EOF>".
         array<Byte>^message = Encoding::UTF8->GetBytes( L"Hello from the client.<EOF>" );

         // Asynchronously send a message to the server.
         stream->BeginWrite( message, 0, message->Length, gcnew AsyncCallback( WriteCallback ), stream );
      }
      catch ( Exception^ authenticationException ) 
      {
         e = authenticationException;
         complete = true;
         return;
      }

   }

.NET Framework

Supported in: 4.5.2, 4.5.1, 4.5, 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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