OzPKE (1.5c) links Steve Sneed's automated CompuServe access program OzCIS (v2.0a+) with ViaCrypt PGP program (v2.4/2.7) and MIT PGP 2.6 to assure secure communications via electronic mail. Changes since v1.5a: Accommodate longer Key-IDs of MIT-PGP version 2.6 Changes since v1.5b: Runtime error fixed for invalid drive/directory