PGP Corp. sets out to do what Network Associates couldn't--entice enterprise customers to buy encryption products based on the PGP algorithm by making them easier to use.

Why is this so important? If we look at how encryption tools work today, we create data, which we then encrypt. Every time we ...

Each person using PGP has a private key, which they keep secret, and a public key, which they publish. A message encrypted with the public key can be decrypted by the private key, and vice versa.