[10617] in cryptography@c2.net mail archive
RSA on general-purpose CPU's [was:RE: Secure peripheral cards]
daemon@ATHENA.MIT.EDU (Lucky Green)
Sat Mar 23 16:25:40 2002
From: "Lucky Green" <shamrock@cypherpunks.to>
To: <cryptography@wasabisystems.com>
Date: Fri, 22 Mar 2002 17:00:19 -0800
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Adam Back wrote:
> openSSL on a PIII-633Mhz can do 265 512 bit CRT RSA per
> second, or 50 1024 bit CRT RSA per second. So wether it will
> even speed up current entry-level systems depends on the
> correct interpretation of the product sheet.
>
> And the economics of course depends on how expensive they are
> relative to general purpose CPUs, plus the added complexity
> of using embedded hardware and drivers and getting to play
> with your web server. General purpose CPUs are _really_ fast
> and cheap right now.
Newer general-purpose CPU architectures offer even better performance:
one of the sample program for IA-64 that Intel has published on their
Itanium performance benchmark CDROM handed out at tradeshows clocks
about 1000 1024-bit RSA signings per second on an 800 MHz Itanium CPU.
--Lucky
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