Re: fwd: Re: RC5/6 patents

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Keith Lockstone (klockstone@cix.compulink.co.uk)
Thu, 23 Jul 98 02:26 BST-1


In-Reply-To: <35B3F3DC.FE7FA4A3@cs.umass.edu>
> It is important that we save statements like this to submit to
> NIST. A patent-free algorithm is important in the AES
> selection process, and if RSADSI reserves the right to
> patent non-FIPS modes of their AES submission, than this
> is something to make public in the selection process.

It's ironical that a technique used in the key processing of RC6
(adding a scaled version of the Golden Number into an accumulator
to assist avalanche etc) first came to my notice in the TEA cipher.
It's also used in LOKI97 - but they acknowledge the source, whereas
Rivest does not.

K.


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The following archive was created by hippie-mail 7.98617-22 on Fri Aug 21 1998 - 17:20:50 ADT