* Steven Bellovin:
> Does anyone know of any ciphers where bits of keys modify the
> control path, rather than just data operations?
AES. See François Koeune, Jean-Jacques Quisqater, "A timing attack
aganst Rijndael". Université catholique de Louvain, Technicl Report
CG-1999.
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On Sep 22, 2010, at 9:34 AM, Steven Bellovin wrote:
Does anyone know of any ciphers where bits of keys modify the
control path, rather than just data operations? Yes, I know that
that's a slippery concept, since ultimately things like addition and
multiplication can be implemented with loo
Does anyone know of any ciphers where bits of keys modify the control path,
rather than just data operations? Yes, I know that that's a slippery concept,
since ultimately things like addition and multiplication can be implemented
with loops in the hardware or firmware. I also suspect that it's
