SecurityTokenAuthenticator Class

Authenticates a security token.

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

public abstract class SecurityTokenAuthenticator

The SecurityTokenAuthenticator type exposes the following members.

  NameDescription
Protected methodSecurityTokenAuthenticatorInitializes a new instance of the SecurityTokenAuthenticator class.
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  NameDescription
Public methodCanValidateTokenGets a value indicating whether the specified security token can be validated by this security token authenticator.
Protected methodCanValidateTokenCoreWhen overridden in a derived class, gets a value indicating whether the specified security token can be validated by this security token authenticator.
Public methodEquals(Object)Determines whether the specified object is equal to the current object. (Inherited from Object.)
Protected methodFinalizeAllows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection. (Inherited from Object.)
Public methodGetHashCodeServes as the default hash function. (Inherited from Object.)
Public methodGetTypeGets the Type of the current instance. (Inherited from Object.)
Protected methodMemberwiseCloneCreates a shallow copy of the current Object. (Inherited from Object.)
Public methodToStringReturns a string that represents the current object. (Inherited from Object.)
Public methodValidateTokenAuthenticates the specified security token and returns the set of authorization policies for the security token.
Protected methodValidateTokenCoreWhen overridden in a derived class, authenticates the specified security token and returns the set of authorization policies for the security token.
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The SecurityTokenAuthenticator class and the classes that derive from it authenticate security tokens. Typically, you would only derive a class directly from SecurityTokenAuthenticator when you create a custom security token. If you wanted to override the default authentication or authorization behaviors for built-in security tokens, derive from one of the classes that derive from SecurityTokenAuthenticator, such as SamlSecurityTokenAuthenticator.

When you derive a class from SecurityTokenAuthenticator, override the following two methods: ValidateTokenCore and CanValidateTokenCore. The CanValidateTokenCore method determines whether this security token authenticator can authenticate a specific security token. The ValidateTokenCore method authenticates the security token and establishes a set of authorization policies for authorization. The authorization policies map the claims found in the security token to claims required by the application.

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

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

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