.NET Framework Class Library
SecurityTokenAuthenticator..::.ValidateToken Method

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)
Syntax

Visual Basic (Declaration)
Public Function ValidateToken ( _
    token As SecurityToken _
) As ReadOnlyCollection(Of IAuthorizationPolicy)
Visual Basic (Usage)
Dim instance As SecurityTokenAuthenticator
Dim token As SecurityToken
Dim returnValue As ReadOnlyCollection(Of IAuthorizationPolicy)

returnValue = instance.ValidateToken(token)
C#
public ReadOnlyCollection<IAuthorizationPolicy> ValidateToken(
    SecurityToken token
)
Visual C++
public:
ReadOnlyCollection<IAuthorizationPolicy^>^ ValidateToken(
    SecurityToken^ token
)
JScript
public function ValidateToken(
    token : SecurityToken
) : ReadOnlyCollection<IAuthorizationPolicy>

Parameters

token
Type: System.IdentityModel.Tokens..::.SecurityToken
The SecurityToken to be validated.

Return Value

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

ExceptionCondition
ArgumentNullException

token is nullNothingnullptra null reference (Nothing in Visual Basic).

SecurityTokenValidationException

token cannot be authenticated by this security token authenticator

-or-

token is not authenticated.

Remarks

The ValidateToken method checks whether the token parameter is nullNothingnullptra null reference (Nothing in Visual Basic), calls the CanValidateToken method to determine if this security token authenticator can authenticate this security token, and then if it can, calls the ValidateTokenCore method.

.NET Framework Security

Platforms

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.
Version Information

.NET Framework

Supported in: 3.5, 3.0
See Also

Reference

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