[1269] in bugtraq
Non-PK encryption not vulnerable via low key length?!
daemon@ATHENA.MIT.EDU (Jonathan Cooper)
Wed Mar 15 22:14:41 1995
Date: Wed, 15 Mar 1995 20:35:44 -0500 (EST)
From: Jonathan Cooper <entropy@IntNet.net>
To: Vishy Gopalakrishnan <vishy@sph.umich.edu>
Cc: bugtraq@fc.net
In-Reply-To: <Pine.SUN.3.90.950314213043.12916A-100000@srvr2.sph.umich.edu>
> Correct me if I am wrong - RC2 and RC4 are not public key cyrptosystems,
> and hence are not "prone" to the problems with low moduli.
You are wrong.
If the key is only 128-bit, that's a much smaller keyspace to
brute-force attack than a 1024-bit key.
(do the math)
-jon
( --------[ Jonathan D. Cooper ]--------[ entropy@intnet.net ]-------- )
( PGP 2.6.2 keyprint: 31 50 8F 82 B9 79 ED C4 5B 12 A0 35 E0 9B C0 01 )
( home page: http://taz.hyperreal.com/~entropy/ ]---[ Key-ID: 4082CCB5 )
