The GNU Privacy Guard GnuPG is the GNU project's complete and free implementation of the OpenPGP standard as defined by RFC4880 . GnuPG allows to encrypt and sign your data and communication, features a versatile key managment system as well as access mod
FireGPG es un complemento de Firefox bajo MPL que nos ofrece un interfaz, cifrar, descifrar, firmar o verificar la firma de cualquier texto en una página usando GnuPG.
"FireGPG is a Firefox extension under MPL which brings an interface to encrypt, decrypt, sign or verify the signature of text in any web page using GnuPG."