From: Eric Blossom <eb@srlr14.sr.hp.com>
Date: Mon, 31 Jan 94 12:09:41 PST
To: smb@research.att.com
Subject: Index for ftp site csn.org:/mpj/
In-Reply-To: <9401311858.AA29476@toad.com>
Message-ID: <9401312009.AA29449@srlr14.sr.hp.com>
MIME-Version: 1.0
Content-Type: text/plain



> A bigger problem is that PEM uses DES rather than IDEA.  I just learned
> of a new attack by Mitsuru Matsui of Mitsubishi that requires 2^43
> *known* plaintexts, not chosen ones.  The note I received says that it
> ``breaks the scheme in 50 days on 12 HP9735 workstations''.  This was
> presented last week at the Japanese Conference on Cryptography and
> Information Security.

Anybody have an online copy of the paper, or a complete citation?

Eric Blossom