Re: [PATCH] cryptoloop

[James Morris]

On Sat, 5 Jul 2003, Jari Ruusu wrote:

> This tests only low level cipher functions aes_encrypt() and aes_decrypt()
> from linux-2.5.74/crypto/aes.c with all CryptoAPI overhead removed. In real
> use, including CryptoAPI overhead, these numbers should be a little bit
> smaller.
> 
> key length 128 bits, encrypt speed 68.5 Mbits/sec
> key length 128 bits, decrypt speed 58.9 Mbits/sec
> key length 192 bits, encrypt speed 58.3 Mbits/sec
> key length 192 bits, decrypt speed 50.3 Mbits/sec
> key length 256 bits, encrypt speed 51.0 Mbits/sec
> key length 256 bits, decrypt speed 43.8 Mbits/sec

[snip]

> This tests aes_encrypt() and aes_decrypt() from loop-AES-v1.7d/aes.c
> Loop-AES users running non-x86 kernels or x86 configured for i386/i486 will
> run this version.
> 
> key length 128 bits, encrypt speed 81.2 Mbits/sec
> key length 128 bits, decrypt speed 83.4 Mbits/sec
> key length 192 bits, encrypt speed 68.5 Mbits/sec
> key length 192 bits, decrypt speed 70.6 Mbits/sec
> key length 256 bits, encrypt speed 58.9 Mbits/sec
> key length 256 bits, decrypt speed 60.9 Mbits/sec

These results are interesting, if they represent a pure comparison of the
crypto algorithm implementations -- both the mainline kernel version and
yours are based on the same Gladman code.

- James
-- 
James Morris
<[e-mail]>