PGPcmdln  6.5.8
About: PGP Command Line freeware v6.5.8 for email encryption and authentication, supports RSA, PGP email and secure client-to-client connections using PGP certificates. (for non-commercial use only). PGP Command Line v6.5.8 for email encryption and authentication, supports RSA, PGP email and secure client-to-client connections using PGP certificates. (Network Associates, Freeware; for non-commercial use only).
  Fossies Dox: PGPcmdln_6.5.8.Lnx_FW.tar.gz  ("inofficial" and yet experimental doxygen-generated source code documentation)  

PGPcmdln Documentation