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SslStream.KeyExchangeStrength Property

Gets a value that identifies the strength of the key exchange algorithm used by this instance.

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

public virtual int KeyExchangeStrength { get; }

Property Value

Type: System.Int32
An Int32 value that specifies the strength of the ExchangeAlgorithmType algorithm, in bits.

The value of this property is zero until the authentication occurs.

In common scenarios, the value of this property is one of the following:

  • 512

  • 768

  • 1024

  • 2048

The following code example displays the cryptography settings for the specified stream.

static void DisplaySecurityLevel(SslStream stream)
{
   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);
}
static void DisplaySecurityLevel(SslStream* stream)
{
    Console::WriteLine(S"Cipher: {0} strength {1}", __box(stream->CipherAlgorithm), __box(stream->CipherStrength));
    Console::WriteLine(S"Hash: {0} strength {1}", __box(stream->HashAlgorithm), __box(stream->HashStrength));
    Console::WriteLine(S"Key exchange: {0} strength {1}", __box(stream->KeyExchangeAlgorithm), __box(stream->KeyExchangeStrength));
    Console::WriteLine(S"Protocol: {0}", __box(stream->SslProtocol));
}

Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98

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

.NET Framework

Supported in: 3.5, 3.0, 2.0

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