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Re: MAC speeds

To: djb@cr.yp.to (D. J. Bernstein)
Subject: Re: MAC speeds
From: Bill Manning <bmanning@ISI.EDU>
Date: Thu, 9 Mar 2000 06:55:52 -0800 (PST)
Cc: ipsec@lists.tislabs.com
In-Reply-To: <20000309001035.28083.qmail@cr.yp.to> from "D. J. Bernstein" at Mar 09, 2000 12:10:35 AM
Sender: owner-ipsec@lists.tislabs.com

% 
% Tero Kivinen reports a time of 154000 cycles (308 microseconds) for
% HMAC-MD5 on 2048 bytes on a 500MHz Alpha.
% 
% That's slower than today's fast ciphers, notably the AES candidates,
% which are below 40 cycles/byte. Some people seem to be making decisions
% on this basis.
% 
% But there are faster implementations of MD5. Furthermore, there are
% much faster MACs. 
...
% ---Dan

I'm not sure that MD5 can be made too much faster.
see:

http://www.isi.edu/~touch/pubs/sigcomm95.html

--bill

Follow-Ups:

Re: MAC speeds

From: Bart Preneel <Bart.Preneel@esat.kuleuven.ac.be>

References:

MAC speeds

From: "D. J. Bernstein" <djb@cr.yp.to>

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