PGP is a public key cryptosystem (although it uses conventional encryption as well). That means that it uses 2 different keys for encrypting and decrypting data. This seems to be the most confusing part that most people have trouble with. Every user will have their own key pair (2 keys). One is called a “secret key”, which is used with a secret password to decrypt all your encrypted messages and files. The other is your “public key”, and this is given out to the friends and associates you wish to communicate with. T hey use your public key to ENCRYPT a message to you and you will then use your secret key to DECRYPT it. You also use your own public key to encrypt your own files, then use your secret key to decrypt them. Security is NOT compromised by giving out your public key and that is the beauty of the whole thing.
Pgp, Pgp Software
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