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Encyclopedia > OpenPGP

An Open Specification for Pretty Good Privacy (openpgp)

OpenPGP 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.

The OpenPGP Alliance is a growing group of companies and other organizations that are implementers of the OpenPGP Proposed Standard. The Alliance works to facilitate technical interoperability and marketing synergy between OpenPGP implementations.

The goal of the OpenPGP working group is to provide IETF standards for the algorithms and formats of PGP processed objects as well as providing the MIME framework for exchanging them via e-mail or other transport protocols.


  • "OpenPGP Alliance" http://www.openpgp.org/. Retrieved July 1, 2005
  • "An Open Specification for Pretty Good Privacy (openpgp)" http://www.ietf.org/html.charters/openpgp-charter.html. (2005-02-10). Retrieved July 1, 2005

  Results from FactBites:
Pretty Good Privacy - Wikipedia, the free encyclopedia (4486 words)
OpenPGP is now an open standard used by PGP, GNU Privacy Guard (GnuPG), Hushmail, Veridis, Authora, and others.
OpenPGP is still under active development and a follow-on to RFC 2440 is being actively finalized by the OpenPGP working group as of mid-2004.
The OpenPGP standard specified mechanisms for negotiating agreement between the copies of PGP running at either end of a communications link as to which cipher algorithm is to be used with this or that message, as well as other feature additions after PGP 2.x.
RFC 2440 (rfc2440) - OpenPGP Message Format (15932 words)
OpenPGP's Radix-64 encoding is composed of two parts: a base64 encoding of the binary data, and a checksum.
OpenPGP informs the user what kind of data is encoded in the ASCII armor through the use of the headers.
OpenPGP CFB mode uses an initialization vector (IV) of all zeros, and prefixes the plaintext with ten octets of random data, such that octets 9 and 10 match octets 7 and 8.
  More results at FactBites »



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