ExchangeAlgorithmType Enumeration
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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 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 System.Net.Security.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 Server 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 Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.

.NET Framework

Supported in: 3.0, 2.0
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