[45323] in Cypherpunks
Re: Timing Cryptanalysis Attack
daemon@ATHENA.MIT.EDU (Armadillo Remailer)
Wed Dec 13 08:40:10 1995
Date: Wed, 13 Dec 1995 07:15:01 -0600
To: cypherpunks@toad.com
From: Armadillo Remailer <remailer@armadillo.com>
Simon Spero <ses@tipper.oit.unc.edu> writes:
>My gut & scribble-on-the-back-of-a-napkin feeling about this class of
>attack is that it could be a problem for smartcards (almost certainly)
Is it a problem to create smartcards that do their calculations in
fixed time? I'd guess it should be easier than on multi-purpose
hardware.
Does the attack work for existing smartcards?