[Cryptography] Exotic Operations in Primitive Construction

Peter Gutmann pgut001 at cs.auckland.ac.nz
Wed Sep 30 20:05:21 EDT 2020


John Denker via cryptography <cryptography at metzdowd.com> writes:

>When you hear that the hardware can do a multiply (or a multiply-add) in a
>single clock cycle, please do not underestimate the amount of on-chip
>acreage, electrical energy, and cleverness go into making that possible.

Also, don't forget throughput vs. latency.  Just because you can do something
in x cycles doesn't mean you can immediately use the result for further ops.

Peter.




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