Subject: Re: NFS file handles are guessable.
To: Angelos D. Keromytis <angelos@aurora.cis.upenn.edu>
From: Perry E. Metzger <perry@piermont.com>
List: tech-kern
Date: 03/10/1997 08:59:49
"Angelos D. Keromytis" writes:
> In message <E0w3b6P-0007EQ-00@rover.village.org>, Warner Losh writes:
> >Like packet arrival times on the NIC :-)  One would hope that you have
> >a NIC if you have NFS...
> 
> Being a bit paranoid, i'll say that this is a factor that can be
> influenced by an attacker (depending on the implementation
> specifics).

You aren't being paranoid. NIC interrupts are unacceptable randomness
sources -- among other things, it is trivial to listen in on packet
timings.

Perry