[IP] more on rfid problems again

[David Farber <dave@farber.net>]

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From: 
Date: Thu, 24 Mar 2005 10:42:17 -0800
To: <dave@farber.net>
Subject: Re: [IP] rfid problems again

Hi Dave,

Please post anonymously if you do post this.

thanks,



I work for a competitor of RSA and I read this and chuckled a bit.

> Ari Juels, RSA's principal research scientist, agreed that customers
> have a right to try to "strike a balance" between speed, cost, and security.
> 
> "But what we're saying is that if you're going to bother to build in
> encryption at all, you should do it correctly. You shouldn't use a
> proprietary encryption algorithm," Juels said.

RSA has made a some nice money licensing patents that cover
proprietary crypto algorithms or techniques.

Also note that RSA's two factor authentication token uses a
proprietary algorithm for which there are non-proprietary (and
apparently unencumbered) alternatives available.

I want to assume that either the interview wasn't properly represented
or Mr. Juels misspoke.

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