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CBC-MAC is really not fine. :)

In any case, just making a descriptive comment, not a normative one. Broken crypto is broken crypto, I agree. I just have a little bit of exposure to this particular design challenge, and those are two reasons I see people not using "best practices" simple cryptography in these kinds of applications.



CBC-MAC and CMAC are similar, but not the same.


D'oh. Thanks.




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