what's wrong with HMAC?

[Travis H.]

Ross Anderson once said cryptically,
> HMAC has a long story attched to it - the triumph of the
> theory community over common sense

He wouldn't expand on that any more... does anyone have an idea of
what he is referring to?
--
"Curiousity killed the cat, but for a while I was a suspect" -- Steven Wright
Security Guru for Hire http://www.lightconsulting.com/~travis/ -><-
GPG fingerprint: 9D3F 395A DAC5 5CCC 9066  151D 0A6B 4098 0C55 1484

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