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SecurityTokenAuthenticator.ValidateTokenCore Method

When overridden in a derived class, authenticates the specified security token and returns the set of authorization policies for the security token.

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

protected abstract ReadOnlyCollection<IAuthorizationPolicy> ValidateTokenCore(
	SecurityToken token


Type: System.IdentityModel.Tokens.SecurityToken

The SecurityToken to be validated.

Return Value

Type: System.Collections.ObjectModel.ReadOnlyCollection<IAuthorizationPolicy>
A ReadOnlyCollection<T> of type IAuthorizationPolicy that contains the set of authorization policies in effect for this application.

Override the ValidateTokenCore method to authenticate a specific security token type.

When the ValidateTokenCore method is overridden, follow these guidelines:

When null is returned by this method, Windows Communication Foundation (WCF) throws the SecurityTokenValidationException exception.

The ValidateTokenCore method is called by the ValidateToken method.

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