[145924] in cryptography@c2.net mail archive
Re: ciphers with keys modifying control flow?
daemon@ATHENA.MIT.EDU (Florian Weimer)
Wed Sep 29 23:39:33 2010
From: Florian Weimer <fw@deneb.enyo.de>
To: Steven Bellovin <smb@cs.columbia.edu>
Cc: Cryptography List <cryptography@metzdowd.com>
Date: Tue, 28 Sep 2010 20:34:00 +0200
In-Reply-To: <85CD0B01-1B3F-42BB-8ED0-1B1A42DF70DC@cs.columbia.edu> (Steven
Bellovin's message of "Wed, 22 Sep 2010 09:34:48 -0400")
* Steven Bellovin:
> Does anyone know of any ciphers where bits of keys modify the
> control path, rather than just data operations?
AES. See Fran=E7ois Koeune, Jean-Jacques Quisqater, "A timing attack
aganst Rijndael". Universit=E9 catholique de Louvain, Technicl Report
CG-1999.
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