This is not exactly what you asked for, but Ensemble includes stubs
for DES, IDEA, and RC4.  The Ensemble 0.61 toolkit is available from:

  http://simon.cs.cornell.edu/Info/Projects/Ensemble/index.html

Look in the ensemble/crypto directory.

--Mark

Date: Wed, 09 Jun 1999 13:51:49 +0200
To:  caml-list@inria.fr
From:  =?iso-8859-1?Q?Sébastien?= Mathon <mathon@terre.inrets.fr>
Subject:  cryptage
X-Accept-Language:  en
>
>Hi!
>
>Is there a library in Ocaml wich could crypt string like the digest
>(MD5) one
>but with the Unix crypt command ?
>
>Thanks.
>
>
>
>--
>mailto:sebastien.mathon@terre.inrets.fr
>
>INRETS - Institut National de Recherche sur les transports et leur Securite
>departement ESTAS - Evaluation des Systemes de Transports Automatises
>
>
>