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Re: depleting the random number generator

daemon@ATHENA.MIT.EDU (Russell Nelson)
Sun Jul 18 06:25:57 1999

From: Russell Nelson <nelson@crynwr.com>
Date: Sat, 17 Jul 1999 23:34:28 -0400 (EDT)
To: cryptography@c2.net
In-Reply-To: <4.1.19990717161153.00ad0850@surfcity.research.att.com>

John Denker writes:
 > The bad part is that Whitney has already gobbled up quite a few
 > bits of entropy from /dev/random before the slightest bit of
 > authentication is attempted.

You're presuming that you're using the standard Linux version of
/dev/random.  You could quite easily write a driver for that serial
port white noise generator which was discussed earlier on this list.
Make it's operation compatible with /dev/random, and replace
/dev/random with a node pointing to your device.

-- 
-russ nelson <rn-sig@crynwr.com>  http://crynwr.com/~nelson
Crynwr supports Open Source(tm) Software| PGPok | Government schools are so
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