[RC5] Estimated key rate on DES II? and Proxy questions.

SCRUTE.UK.ORACLE.COM SCRUTE at UK.oracle.com
Wed Jan 14 09:42:36 EST 1998


 
"Jim C. Nasby" <nasby at enteract.com> said 
 
>Well, I did some calculations yesterday on RC5: 
 
>Assume: 
>Key rate increase for DES clients is 4x (conservative) 
 
I don't even get double the RC5 key rate on my PPro 200s. This is the key
rate 
after cracking overnight (mostly idle machines.) 
P90 384961 
PPro 180 748067 
PPro 180 266443 (something strange going on here, I've got to 
investigate) 
Ppro 200 (Over clocked to 233)  996193 (previously over 600,000 RC5
keys/sec) 
PPro 200 (over clocked to 233) 10003669 (again, slightly over 600 
Kkey/Sec 
before) 
 
Should I really be seeing 4x keyrates ? 
 
--------- 
And a seperate question, 
  has anyone got the new (or the old for that matter) Personal Proxies to
get 
through the firewall. The OS/2 one here is just giving "server packet 
failed 
descramble" here. I've done an IPtrace and IPformat, and although it's the
1st 
log IP trace I've tried to decode, there apears to be blocks being sent 
from 
the server of the format "content type: Application/octet streem.. 
content 
lenght 168" I would guess 168 sounds about right for a block size and
checks, 
but the proxy can't decode it. any clues ? 
 
---------- 
And 3rdly, can we try and keep the postings of log extracts to the list 
as 
small as possable.  
Ta. 
 
 
--  
Simon Crute. OS/2 Support Specialist. 
The above are my opinions alone, and do not necessarily coincide with 
those
of 
Oracle. 
e-mail: Work: scrute at uk.oracle.com   home: simon at geordie.demon.co.uk 
Homepage: http://www.geordie.demon.co.uk/

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