OpenPGP, PGP und GnuPG
"OpenPGP is the most widely used email encryption standard in the world.
It is defined by the OpenPGP Working Group of the Internet Engineering Task
Force (IETF) Proposed Standard
RFC 2440. The OpenPGP standard was originally derived from PGP (Pretty
Good Privacy), first created by Phil
Zimmermann in 1991."
(Quelle: OpenPGP Alliance)
"PGP (short for Pretty Good Privacy) is a public key encryption program
originally written by Phil
Zimmermann in 1991. Over the past few years, PGP [...]
has become a de-facto standard for encryption of email on the
(Quelle: "Overview of PGP"
auf der International PGP Home Page)
"GnuPG [GNU Privacy Guard; GPG]
is a complete and free replacement for PGP.
Because it does
not use the patented IDEA algorithm, it can be used without any
GnuPG is a RFC2440 (OpenPGP) compliant application.
(Quelle: Werner Koch auf der GnuPG-Homepage)
- RFC 1991
PGP (Pretty Good Privacy) uses a combination of public-key
and conventional encryption to provide security services for electronic
mail messages and data files. These services include confidentiality
and digital signature. PGP is widely used throughout the global
describes the format of "PGP files", i.e., messages that have been
encrypted and/or signed with PGP.
- RFC 2440
provides information on the message-exchange
packet formats used by OpenPGP to provide encryption, decryption, signing,
and key management functions. It builds on the foundation provided in
RFC 1991 "PGP Message Exchange Formats."