From: Derek Atkins <warlord@MIT.EDU>
Date: Fri, 8 Jul 94 00:39:01 PDT
To: "P. J. Ponder" <ponder@freenet.scri.fsu.edu>
Subject: Re: Fortune magazine
In-Reply-To: <Pine.3.89.9407080103.A27236-0100000@freenet3.scri.fsu.edu>
Message-ID: <9407080738.AA05269@toxicwaste.media.mit.edu>
MIME-Version: 1.0
Content-Type: text/plain


> On another subject, does RIPEM interoperate with PGP or other public key 
> software?  I have version 1.0.5 for DOS.  Thanks for any replies.
> ponder@freenet.scri.fsu.edu  

RIPEM does not interoperate with PGP, but it may interoperate with
other programs, like TIS/PEM, which attempt to implement the RFC 1421
message-format spec.

It turns out that the signature algorithms are similar, so it may be
possible in a future version of PGP (3.0?) to get the signatures to be
equivalent, so you could, theoretically, convert a signed PGP document
into a signed RIPEM document (and vice-versa).

Since RIPEM uses DES (or triple-DES), and PGP uses IDEA, encrypted
documents are not cryptographically equivalent.

Hope this helps..

-derek