PGP in an acronym for Pretty Good Privacy. Created by Phil Zimmermann [L1 ], it implements a public/private key encryption environment where one is able to publish a portion of one's key publically, to be used by someone wanting to send you a private message. Only those whose keys are used to encrypt the message can, in theory, decrypt it using the software. The software has had some freely distributable portions as well as commercial portions, but it is my understanding that some parts of the idea are patented.
What: nn-tk Where: http://www.general.uwa.edu.au/u/toivo/nn-tk ftp://ftp.uwa.edu.au/pub/nn/nn-tk/ ftp://ftp.tcl.tk/pub/tcl/mirror/ftp.procplace.com/sorted/packages-7.6/net/nn-tk.15.5/nn-tk.15.5.tar.gz Description: A Tk interface to nn (net newsreader). It allows the use of exmh to post news, as well as to send and read MIME and PGP email messages as well as to turn URLs into buttons for passing to Netscape or other browsers. Supports Tk 4.x You may need to update to the latest version of exmh to get the support for all of nn-tk's features. Be sure to keep checking back at the ftp site for new releases. Updated: 08/1998 Contact: mailto:[email protected] (Toivo Pedaste) What: NSBD Where: http://www.bell-labs.com/nsbd/ Description: GNU licensed software which provides an open WWW-based authenticating software distribution system. Uses digital signatures for maintainers of packages, and provides means to check for updates with auto download and install. Written in Tcl/Tk and C for Unix, and uses PGP. Watch web page for new release announcements. Latest version is 1.6 patchlevel 2002/01/09. Updated: 06/1997 Contact: mailto:[email protected] (Dave Dykstra) What: Postilion Where: http://www.postilion.org/ http://www.postilion.org/postilion-current.tar.gz Description: Mail User Agent based on TkRat, with a different user interface. Supports MIME, virtual folders, PGP, Unix file, MH, POP and IMAP mail support. Current version is v0.9.3c. Updated: 04/1999 Contact: mailto:[email protected] What: tkpgp Where: http://jfku.edu/%7Erunge/Programs/TkPgp/TkPgp.html http://jfku.edu/%7Erunge/Programs/TkPgp/tkpgp.tar.gz Description: Tk interface to the cryptology tool PGP. Can take input from Tk clipboard or files. Places text into the clipboard for pasting. It requires at least Tk 4.2 and PGP v2.6.2. Preliminary support for Windows. Works better under Windows 95 than Windows 3.1. Currently at version 1.11. Updated: 11/1997 Contact: mailto:[email protected] (also http://www.geocities.com/SiliconValley/Chip/3708/tkpgp/tkpgp.htm ?)
Also keep in mind the possibility of use of command-line utilities:
exec gnupgp ...
you should use now gpg on the command line. to get gpg go to: http://www.gnupg.org/