Thanks for the info. Will follow up on it
-----Original Message-----
From: Pat Deegan [mailto:[EMAIL PROTECTED]]
Sent: Thursday, September 04, 2003 5:05 PM
To: [EMAIL PROTECTED]
Subject: Re: Breaking single DES
Hello Geoffrey,
On Thu, 2003-09-04 at 10:38, Geoffrey Devantier wrote:
> We are having significant difficluties in persuading various clients
> that single DES based systems are not secure. While I could go and buy
> a DES cracking machine (for under $1000) I was hoping that someone
> would be able to enlighten me on any any PC based single DES cracking
> software (distributed cracking software is great!). If anyone could
> help I would really appreciate it.
Perhaps the EFF's "Cracking DES" (http://www.eff.org/descracker/) might
help.
The EFF created this project to demonstrate how DES is insecure and
built a hardware device to win the RSA Laboratory's "DES Challenge II"
contest.
The book contains descriptions of the hardware, board schematics and
such. But the potentially interesting part to you might be the source
code and chip simulator. I don't know how fast this would be as you may
have to run the cracking software on an emulator. However
- you may be able to compile/run the software directly
- code that was acceptable in 1998 should be pretty lean on today's
boxen, so even if you have to run it on the simulated chip, things may
not be so bad
The book is out of print (http://www.oreilly.com/catalog/crackdes/) but
a mirror (with source) is available at
http://www.realitydiluted.com/mirrors/des-crack/
HTH
--
Pat Deegan
http://www.psychogenic.com/
PGP Key: http://www.keyserver.net 0x03F86A50
