fyi: Adi Shamir's microprocessor bug attack
James A. Donald
jamesd at echeque.com
Thu Nov 22 18:39:56 EST 2007
James Muir wrote:
> Can anyone think of a deployed implementation of RSA
> signatures that would be vulnerable to the attack
> Shamir mentions? Hashing and message blinding would
> seem to thwart it.
As I said, public key encryption has long been known to
be weak against chosen plaintext and chosen cryptotext -
so protocols have long been designed to prevent this
sort of attack. If they are not so designed, they were
known to be weak before this attack was discovered.
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