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Subject: Re: q&d comparison (was Re: [Cryptix-Users] Rijndael - the real work now begins)
From: Helger Lipmaa (helgertml.hut.fi)
Date: Mon Oct 09 2000 - 08:16:05 CDT

On Sun, 8 Oct 2000, Bill Stewart wrote:

> At 12:32 PM 10/8/00 -0400, Ian Grigg wrote:
> >
> >There is plenty of stuff on the NIST site, but you'd have to dig
> >for it. There are lots of comparisons in the NSA report.
> >
> >Some early results say that Rijndael is about 40% (256) and 90%
> >(128) faster than DES in encryption (decryption is slightly
> >slower than those speedups).

My own results (http://www.tml.hut.fi/~helger/aes) show that 128b Rijndael
is ~2.95x faster than DES on Pentium II/II, whie 256b Rijndael is ~2.05x
faster.

Helger