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ExchangeAlgorithmType Enumeration

Note: This enumeration is new in the .NET Framework version 2.0.

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

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

public enum ExchangeAlgorithmType
public enum ExchangeAlgorithmType
public enum 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 = (SslStream) ar.AsyncState;
    try 
    {
        stream.EndAuthenticateAsClient(ar);
        Console.WriteLine("Authentication succeeded.");
        Console.WriteLine("Cipher: {0} strength {1}", stream.CipherAlgorithm, 
            stream.CipherStrength);
        Console.WriteLine("Hash: {0} strength {1}", 
            stream.HashAlgorithm, stream.HashStrength);
        Console.WriteLine("Key exchange: {0} strength {1}", 
            stream.KeyExchangeAlgorithm, stream.KeyExchangeStrength);
        Console.WriteLine("Protocol: {0}", stream.SslProtocol);
        // Encode a test message into a byte array.
        // Signal the end of the message using the "<EOF>".
        byte[] message = Encoding.UTF8.GetBytes("Hello from the client.<EOF>");
        // Asynchronously send a message to the server.
        stream.BeginWrite(message, 0, message.Length, 
            new AsyncCallback(WriteCallback),
            stream);
    }
    catch (Exception authenticationException)
    {
        e = authenticationException;
        complete = true;
        return;
    }
}

Windows 98, Windows 2000 SP4, Windows Millennium Edition, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

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

.NET Framework

Supported in: 2.0

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