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Re: MAC speeds

To: IP Security List <ipsec@lists.tislabs.com>
Subject: Re: MAC speeds
From: Henry Spencer <henry@spsystems.net>
Date: Wed, 15 Mar 2000 10:27:47 -0500 (EST)
In-Reply-To: <20000314223229.26334.qmail@cr.yp.to>
Sender: owner-ipsec@lists.tislabs.com

On 14 Mar 2000, D. J. Bernstein wrote:
> Asking how much scrutiny a Wegman-Carter-type authentication system has
> received is like asking how much scrutiny counter mode has received:
> you're missing the point. The security is _provably_ as good as the
> encryption function you plug in.

That just shifts the problem one step:  how much scrutiny has that proof had?
(As the infamous Demillo/Lipton/Perlis paper pointed out, proofs are just as
subject to errors and oversights as programs are.)

                                                          Henry Spencer
                                                       henry@spsystems.net

Follow-Ups:

Re: MAC speeds

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

Re: MAC speeds

From: daw@cs.berkeley.edu (David A. Wagner)

References:

Re: MAC speeds

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

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