UserNameSecurityTokenAuthenticator Class

Authenticates a UserNameSecurityToken security token.

Namespace:  System.IdentityModel.Selectors
Assembly:  System.IdentityModel (in System.IdentityModel.dll)

public ref class UserNameSecurityTokenAuthenticator abstract : public SecurityTokenAuthenticator

Override the UserNameSecurityTokenAuthenticator class to authenticate security tokens based on a user name and password.

The Windows Communication Foundation (WCF) ships with the following classes that provide support for authenticating UserNameSecurityToken security tokens.




Allows an application to provide a custom authentication scheme for user names and passwords. The authentication scheme is provided using a class deriving from the UserNamePasswordValidator class.


Authenticates the user name and password as a Windows account.

Most custom authentication schemes can use the use the CustomUserNameSecurityTokenAuthenticator class and implement a class that derives from the UserNamePasswordValidator class. However, if additional flexibility is needed, you can derive a class from the UserNameSecurityTokenAuthenticator class and override the ValidateUserNamePasswordCore method.

No code example is currently available or this language may not be supported.

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

Windows 7, Windows Vista, Windows XP SP2, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003

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
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