' =JeffH ' wrote:
From: John Young <[EMAIL PROTECTED]>
Subject: Adi Shamir's microprocessor bug attack
To: [EMAIL PROTECTED]
Date: Sat, 17 Nov 2007 09:50:31 -0500 (GMT-05:00)
Adi Shamir's note on a microprocessor bug attack on public key cryptography
featured in the NY Times today:
http://cryptome.org/bug-attack.htm
The NYT report:
http://www.nytimes.com/2007/11/17/technology/17code.html
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.
Incidentally, in the 2001 Boneh-DeMillo-Lipton paper they do mention the
Intel floating point division bug.
-James
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