Re: Implementing byte stream cipher

Volker Hetzer wrote:
> Btw, some AES imlementations are very low in memory too (only registers for ARM,
> 49 bytes for 8051), see the Rijndael part of
> http://csrc.nist.gov/CryptoToolkit/aes/round1/conf2/papers/hachez.pdf

The guy is talking about an AVR. They're 8-bit MCUs with a RISC
pipelined ALU, really small code space, etc, etc.

If anything Noekeon would be a better fit. It requires relatively
simple operations [shifts, xors, and, nots], no tables and no
multiplications. It's also free to use [unlike RC5 which while
technically a decent fit also is not public domain].

Skipjack is another choice in a pinch.

Tom
Received on Mon May 1 02:05:11 2006