[7506] in cryptography@c2.net mail archive
Re: Elgamal
daemon@ATHENA.MIT.EDU (Steven M. Bellovin)
Thu Jul 20 09:21:47 2000
From: "Steven M. Bellovin" <smb@research.att.com>
To: "Simon Aronson" <sip99sma@rdg.ac.uk>
Cc: cryptography@c2.net
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Date: Wed, 19 Jul 2000 22:37:21 -0400
Message-Id: <20000720023721.26A0635DD1@smb.research.att.com>
In message <LPBBJMPLENMBOGLLMBNMCEDBCAAA.sip99sma@rdg.ac.uk>, "Simon Aronson" w
rites:
>In an implementation of the ElGamal cryptosystem, is it acceptable to always
>use the same prime and generator for every transmission? Or should a new
>prime/generator pair be chosen for each communication?
>
The important thing is that the random number really has to be random
and unguessable.
>
--Steve Bellovin
