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Editorial Team
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Asked: 2026-05-19T17:35:09+00:00

I am looking at securing some WCF services using WIF, and have read within

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I am looking at securing some WCF services using WIF, and have read within the Identity Training Kit from Microsoft, within exercise 1, “Furthermore, you can expect developers to assign conditions via Code Access Security style calls (i.e. decorating via attributes and so on). Both capabilities will require some coding support”
(midway through this article:
http://channel9.msdn.com/Learn/Courses/IdentityTrainingCourse/WebServicesAndIdentity/WebServicesAndIdentityLab/Exercise-1-Using-Windows-Identity-Foundation-to-Handle-Authentication-and-Authorization-in-a-WCF-Ser
)

However I’m unable to find any documentation regarding how to implement a solution that makes use of this decoration approach. I don’t really have any need for using the claims within the actual WCF method or business logic, but simply want to use WIF/STS to secure access to the method. Any tips on whether this is the best approach, and how to secure methods using decorations would be appreciated.

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  1. Editorial Team

    I think you can take a look at PostSharp. You can implement your cross cutting concerns using AOP and then apply them as attributes to decorate your methods. So your checks would be isolated in well knows places and the business methods would have specified in the security attributes the claims required to execute those methods.

    Or, for simple cases, you can use this (I think you were referring to these):

    [ClaimsPrincipalPermission(SecurityAction.Demand, Operation = "Operation1", Resource = "Resource1")]
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