Pretty Good Privacy was created in 1991.

Philip Zimmerman

Yes, PGP is written in C-language.

PGP stands for Pretty Good Privacy. It's a data encryption and decryption computer program that provides authentication for data communication and cryptographic privacy.

Phil Zimmermann created the first version of PGP encryption in 1991. 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 to increase the security of e-mail communications.