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Re: Results of quick survey
One point about the relative ordering of authentication and encryption.
Even though I can now do DES pretty fast, it's still true that if you
wrap encryption outside authentication then you still have to perform
both algorithms to determine that the packet is bogus. If you
authenticate outside of encryption, then you only need execute the
authentication algorithm before you toss the bogus packet. So unless
your encryption algorithm is *free* (not just as cheap as the authentication)
there is still a good reason to put authentication outside encryption.
Phil
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