The Ben Adida HMAC Smackdown
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Philip Jacob
Note to archeologists and readers: this was written a long time ago and is maintained simply for historical reasons.
Ben Adida is a super nice guy until you start misusing message digests. He once gave me a smackdown (I like to think of it as a learning experience) that was very helpful and now he’s done the same thing in public: don’t Hash Secrets.
Don’t make the cryptographers cry. Especially not Ben.