Re: DES Key Decryption Time

From: Slawek (sgpat_private)
Date: Wed Apr 09 2003 - 11:45:47 PDT

  • Next message: Valdis.Kletnieksat_private: "Re: DES Key Decryption Time" 

    Valdis.Kletnieksat_private wrote:


> Assuming a really smart hardware implementation, you can probably get it
> down to around 32 cycles (assuming a PAL to do the S-box and other stuff),
> doing each of 16 rounds in 2 cycles.

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).


-- 
Slawek

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