Introduction to <application>GnuPG</application> The GnuPG package contains a public/private key encryptor. This is becoming useful for signing files or emails as proof of identity and preventing tampering with contents of the file or email. Package information Download (HTTP): Download (FTP): Download size: &gnupg-size; Estimated Disk space required: &gnupg-buildsize; Estimated build time: &gnupg-time;