KeyNumber Enumeration
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KeyNumber Enumeration

 

Specifies whether to create an asymmetric signature key or an asymmetric exchange key.

Namespace:   System.Security.Cryptography
Assembly:  mscorlib (in mscorlib.dll)

[SerializableAttribute]
[ComVisibleAttribute(true)]
public enum KeyNumber

Member nameDescription
Exchange

An exchange key pair used to encrypt session keys so that they can be safely stored and exchanged with other users.

Signature

A signature key pair used for authenticating digitally signed messages or files.

Use the KeyNumber enumeration with the KeyNumber property to inspect a key type or with the KeyNumber field to specify a key type.

The following code example demonstrates how to use the KeyNumber enumeration to specify a key type for an RSACryptoServiceProvider object.

// Create a new CspParameters object.
CspParameters cspParams = new CspParameters();

// Specify an exchange key.
cspParams.KeyNumber = (int) KeyNumber.Exchange;

// Initialize the RSACryptoServiceProvider  
// with the CspParameters object.
RSACryptoServiceProvider RSACSP = new RSACryptoServiceProvider(cspParams);

Universal Windows Platform
Available since 10
.NET Framework
Available since 2.0
Windows Phone Silverlight
Available since 7.1
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