gnupg1

The GNU Privacy Guard (minimalist "classic" version)

GnuPG is a complete and free replacement for PGP. This is the "classic" version, which doesn't support newer algorithms, but also has very few dependencies. Use security/gnupg unless you're sure you want thisone. GnuPG allows encrypting and signing your data and communication, and features a versatile key management system as well as access modules for many public key directories. GnuPG, also known as GPG, is a command line tool with features for easy integration with other applications.