Represents a key identifier clause that identifies a X509SecurityToken security tokens using the X.509 certificate's thumbprint.
Assembly: System.IdentityModel (in System.IdentityModel.dll)
Typically, the does not need to be used, other than when a custom security token service is created. When a security token service returns a security token, the issued security token contains references to attached and unattached security tokens. Attached references refer to security tokens that are contained within the security header of a SOAP message token and unattached references reference security tokens that are not included within the security header of a SOAP message. These references typically affirm the authenticity of the issued security token. Use the class to reference a X509SecurityToken security token using the X.509 certificate's thumbprint. The GetX509Thumbprint method returns the thumbprint.
Windows Communication Foundation (WCF) supports the following types of security token references for X509SecurityToken security tokens.