Sending PGP-encrypted messages between any email service Proton Mail allows you to include the public key needed to decrypt any PGP-encrypted messages you send. However, to use PGP, the sender and ...

, but each recipient of the message would have to be given the key to decrypt it. This symmetric, or private key encryption, requires that both parties have the same key.

PGP is an example of a public-key encryption system. Each person using PGP has a private key, which they keep secret, and a public key, which they publish.

Beyond public-key encryption, PGP also employs symmetric-key cryptography. When a message is sent, PGP generates a random key to encrypt the message before transmission.

End-to-end encryption means only the sender and receiver of a message can read it. PGP uses keys, one public and one secret, in order to help protect digital communications. OK, let’s dive in.

PGP also increased support via PGP Command Line for encryption and digitally signing OpenPGP- and S/MIME-formatted email messages. "The era of siloed solutions just can't work," Dasher said.

PGP Desktop Home 9 is still not for every Mac user—you must have a real need for encryption to get use from it. But for the large audience PGP applies to, the program has never been more useful ...

PGP has shipped an update to its enterprise message encryption software that adds support for Lotus Notes and integrates Symantec's antivirus technology.

Federal court orders defendant accused of having illegal data on his laptop to type in his PGP passphrase so prosecutors can access decrypted files.