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Re: Short keys * Options, combinations, and negotiations =>
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>
> At 10:25 AM 10/14/96 -0400, Charles Watt wrote:
> >
> >In all this flap I haven't heard any mention of Rivest's DESX
> >(see www.rsa.com/rsalabs/cryptobytes/, Volume 2, Number 2 - Summer '96
> issue).
>
> The only URL I found was:
>
> http://www.rsa.com/rsalabs/pubs/cryptobytes.html
>
> And it did not have vol2#2 yet :(
>
> >The only weakness that I have seen in the literature concerning DES comes
> >from exhaustive key search. Rogaway and Kilian provide a convincing
> >argument that DESX solves this problem, perhaps better than 3DES, with
> >essentially the same computational costs as DES.
> >
> >Have I missed something in the literature?
>
> Well, I've missed the lit!
Sorry. I get the paper copy of Cryptobytes from RSA. I trusted the
URL published in the paper. Try "How to protect DES against exhaustive key
search" as listed at http://wwwcsif.cs.ucdavis.edu/~rogaway/papers/
(I verified this one!).
CW
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