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GNU Privacy Guard

Command line tool used for encryption

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Description

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 management system as well as access modules for all kinds of public key directories. GnuPG, also known as GPG, is a commandline tool without any graphical stuff. It is the real crypto engine which can be used directly from a command prompt, from shell scripts or by other programs. Therefore it can be considered as a backend for other applications.

However, even when used on the command line it provides all functionality needed - this includes an interactive menu system. The set of commands of this tool will always be a superset of those provided by any front ends.

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Features

  • Full replacement of PGP
  • Does not use any patented algorithms
  • GPLed, written from scratch
  • Can be used as a filter program
  • Full OpenPGP implementation
  • Better functionality than PGP and some security enhancements over PGP 2
  • Decrypts and verifies PGP 5, 6 and 7 messages
  • Easy implementation of new algorithms using extension modules
  • The User ID is forced to be in a standard format
  • Supports key and signature expiration dates
  • Online help system
  • Optional anonymous message receivers
  • Integrated support for HKP keyservers (wwwkeys.pgp.net)
  • Clears signed patch files which can still be processed by patch
  • Supports ElGamal, DSA, RSA, AES, 3DES, Blowfish, Twofish, CAST5, MD5, SHA-1, RIPE-MD-160 and TIGER

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Registered

2011-12-08
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