1. PGP - Noun
2. PGP - Proper noun
(LGBT, countable) Initialism of preferred gender pronoun.
My PGPs are he and him.
(medicine, countable) Initialism of pelvic girdle pain.
PGP
(encryption, software) Initialism of Pretty Good Privacy. (A program using public key encryption popularly used with email.)
As current versions of PGP have added additional encryption algorithms, the degree of their cryptographic vulnerability varies with the algorithm used. Source: Internet
Anybody wishing to build their own copy of PGP could cut off the covers, separate the pages, and scan them using an OCR program (or conceivably enter it as a type-in program if OCR software was not available), creating a set of source code text files. Source: Internet
At that time, the boundary between what cryptography was permitted ("low-strength") and impermissible ("high-strength") for export from the United States was placed such that PGP fell on the too-strong-to-export side of the boundary. Source: Internet
Compatibility As PGP evolves, versions that support newer features and algorithms are able to create encrypted messages that older PGP systems cannot decrypt, even with a valid private key. Source: Internet
Confidentiality PGP can be used to send messages confidentially. Source: Internet
Current versions of PGP encryption include both options through an automated key management server. Source: Internet