Thus spake Ben Laurie:
> Satria Bakti (13297096) wrote:
> > Hi,
> > 
> > I'm doing some experiment on openssl-0.9.7-stable-SNAP-20020421.
> > I replaced the AES code (the original AES code) with 
> > Brian Gladman's AES code (with some modification).
> > (http://fp.gladman.plus.com/cryptography_technology/rijndael/)

Can you send us the modifications you used?

> > There are significant increases. I'm afraid that there is something
> > wrong with my implementation. How could the speed increase so 
> > significant ?
> > 
> > Any comments or explanations are welcome.
> 
> Its possible, in fact - because what we have is the reference code, and 
> Gladman's is optimised for speed. Of course, if the code passes the 
> tests, then you must, presumably, have got it right.

I haven't committed the AES test code yet, so we don't know if either
implementation is actually correct.

> Are you planning to contribute your implementation (I'd been planning to 
> look at this at some point myself).

I'd have done it myself if I'd known Gladman's implementation was
*that* much faster.  I've been spending my cycles trying to make the
various modes go faster, which should help most/all of the ciphers.

S

-- 
Stephen Sprunk          "So long as they don't get violent, I want to
CCIE #3723         let everyone say what they wish, for I myself have
K5SSS        always said exactly what pleased me."  --Albert Einstein
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