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Re: DES Key Decryption Time
Valdis.Kletnieks
vt.edu
Date: Wed Apr 09 2003 - 13:55:15 CDT
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On Wed, 09 Apr 2003 20:45:47 +0200, Slawek said:
> In hardware you can unroll the loop and use pipelining giving even 1 cycle
> per 1 block of data (not to mark about paralel processing which is easy with
> today's FPGAs).
Well.. one externally visible cycle - if you unroll the loop you need to either
have 16 cascading stages that use async logic or timing signals to keep all the
bits in sync. ;)
I wonder how many clock cycles it would take using a 2901 bitslice (anybody
remember those? ;)
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