In Chapters 19–23, you learned how to identify users through several supported authentication mechanisms and how to implement authorization for those users in your applications. ASP.NET supports rich services, such as the membership and roles APIs, that help you implement this functionality. However, although authentication and authorization are two important factors for securing applications, you have to keep much more in mind. Therefore, .NET has a bit more functionality in store. One of the most important examples is .NET’s support for cryptography—the science of scrambling data to ensure confidentiality and adding hash codes to detect tampering.


Encryption Algorithm Encrypt Data Query String Implementation Class Symmetric Algorithm 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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© Matthew MacDonald, Mario Szpuszta, and Vidya Vrat Agarwal 2009

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