GnuPG, the open replacement for PGP, is an excellent tool to manage cryptographic signatures to files or e-mails for validity and integrity, as well as a tool to encrypt and decrypt sensitive files.

For more than a decade, the United States government classified encryption technology as a weapon. Now that label might actually apply. Security-consulting firm ...

The longer your pass phrase, the harder it will be for someone to guess it and decrypt the file. PGP produces the output file message.pgp, which can be turned back into plain (decrypted) text using ...