(RIPEM) A (not yet complete, but useful) implementation of Privacy Enhanced Mail (PEM).RIPEM allows your electronic mail to have the four security facilities provided by PEM: disclosure protection (optional), originator authenticity, message integrity measures and non-repudiation of origin (always).RIPEM was written primarily by Mark Riordan .Most of the code is in the {public domain}, except for the {RSA} routines, which are a library called RSAREF licensed from RSA Data Security, Inc.The current (November 1993) version of RIPEM is 1.1athe current version of the Macintoshport of RIPEM is 0.8b1.(1998-07-03)