Related Terms
OpenPGP
Definition: Public key cryptography uses a key with two parts. The public key part is used for encryption exclusively for the recipient, whose private key part is applied for decryption. For public key cryptography to be save it is important that only the intended recipient knows the private part of the key.
A security package in widespread use with email that uses public key cryptography is PGP.
Also Known As: Public Key Encryption, Public/Private Key Cryptography
Related Resources:
Privacy, Security & Encryption
Keep your messages secret and your privacy intact with encryption through PGP and friends.
Elsewhere on the Web:
IEEE P1363: Standard Specifications For Public Key Cryptography
The Institute of Electrical and Electronics Engineers has developed standards for public key cryptography.

