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Re: ESP transform with RC5
At 10:33 AM 3/18/96 -0800, touch@ISI.EDU wrote:
>> ~1995 or thereabouts. This is a *very* new cipher, so it's not
>> something I'd actually want to implement or use until it's had a
>> lot more shakeout time.
>>
>
>FYI - the algorithm is based on data-dependent rotates.
>Not to beat a dead horse, but rotates can take anywhere
>from 3-5 operations on a RISC (which typically don't
>have rotates), and data-dependent rotates can double that.
Joe,
Sorry for my inability to parse your words, but
Are you saying that:
A) RC5 is not high performance on a RISC
or
B) RC5 is relatively easy to brute strength attack on a RISC.
Robert Moskowitz
Chrysler Corporation
(810) 758-8212