Zou, Nanhai wrote:
| <> Hi,
| Current OpenSSL (0.9.8-dev) rc4speed throughput on a Nocona
| (Em64t, b4bit) 3.6GHz is 272Mb/s, while this version of RC4 code can
| archive 536Mb/s in RC4Speed.
|
| ????Would you please review it?

Your RC4 implementation seems to contain a bug: I tried to link your
RC4() function against one of my RC4 validation tool [1] and it does
not produce the expected output:

$ ./rc4test
error calculating RC4
output: 01 22 45 45 ab 86 cd ef 00
expect: 75 b7 87 80 99 e0 c5 96 00
error calculating RC4
output: 00 01 00 22 22 2d 00 00 00
expect: 74 94 c2 e7 10 4b 08 79 00
[...]

I assume your RC4() is a drop-in replacement for OpenSSL's RC4(), a
quick look at the source code seems to confirm this... Can you double-
check your code, please ?

[1] http://etudiant.epita.fr/~bevand_m/p...-amd64.tar.bz2

--
Marc Bevand http://epita.fr/~bevand_m
Computer Science School EPITA - System, Network and Security Dept.
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