1. Pretty Good Privacy (PGP) is a data encryption and decryption computer program that provides cryptographic privacy and authentication for data communication. PGP is often used for signing, encrypting, and decrypting texts, e-mails, files, directories, and whole disk partitions and to increase the security of e-mail communications.
http://en.wikipedia.org/wiki/Pretty_Good_Privacy2. Tutorial on how PGP works: How PGP works
3. For our purposes, for those who need to send me or any one else a private message in the public may use the PGP system.
4. My public key is in the next message.
T. Green (Dr.)