Guide to PGP Operations in a Secure Environment The following document provides a series of notes and examples which are designed to help the PGP novice user to properly maintain and care for public keys in a secure environment using the PGP utility software. Item Activity Operative Command Results/Disposition No. 1 Install System Set DOS PATH command in AUTOEXEC.BAT so that DOS can always find PGP; Set the DOS ENV variable TZ=-3 (EST). Set the DOS Env. Variable PGPPATH to the drive and sub-directory where you have your keyrings. This will make PGP available all the time. 2 REBOOT Ctrl-Alt-Del Required to make DOS Changes (Item 1) work. 3 Generate Secret Key PGP -kg System will create public and private keyrings in subdirectory specified by PGPPATH as specified in (1) 4 Create Public Key PGP -kxa This command will extract a "Public Key" from your keyring and put it in . Specify the to be extracted. To get ready to send out you public key: give your own user id. Save . 5 Note: At this point you can send a message to someone and include your Public Key. After you have done that, then THEY will be able to send you a PGP crypted message. 6 Received Message Ah Ha! Save this message. You will containing Public need to process this using Key for a remote PGP, shortly. correspondent. ************************************************************************************** ACTIVITY EVENT ACTION TAKEN BY PGP ************************************************************************************** 7 Add Public Key(s) to PGP PGP will add any key(s) found your keyring in to your Keyring New Key, without PGP will ask if you want to authenticating Authenticate these keys. You signature(s) would only do this if you have personnally received the key directly from a trusted person. New Key, with Known ?? Does PGP Authenticate the k Authenticating Signatures New Key, with a bad ?? signature New key with 1 good ?? and 1 bad signature Existing key, with PGP will check the new key to no signature be sure it matches the old key New key matches No action existing key New key not same as ?? old key ********************************************************************** END