R. Paul Martin's GPG Public Key Page

GPG stands for “Gnu Privacy Guardian” which is also referred to as GnuPG. GPG is an implementation of the OpenPGP standard which is itself defined in this document. In short, GPG is a program that helps ordinary citizens guard the privacy of our electronic communications.

UPDATE: I'm updating this on Sunday, August 28, 2016, and I'm using GnuPG v2.0.30, which uses OpenPGP. I'm also using Enigmail for my E-mail encryption/signing chores. Well, it's a little bit more involved than it used to be.

I used to use good, old fashioned PGP 6.5.8 (PGP stands for “Pretty Good Privacy,”) but since I “upgraded” to Windows Vista some years ago, because my old machine died, I'm unable to use that older software anymore.

What I'm using now is also open source, so it won't have any backdoors or anything in it. So the below GnuPG v2.0.30 public key replaces the PGPfreeware 6.5.8 public key, and the old GPG 1.4.9 key that I used to put up here. At least some of my older keys are disabled/revoked/expired.

If, for some reason which I cannot fathom, you need to communicate with me in a secure manner my public PGP key is listed below. After the key I have more on GPG.

	pub 4096R/405A25E5 10/22/2014 R. Paul Martin 
    Primary key fingerprint:  1929 4D21 287E 72B0 204F F26B EEF0 0DFB 405A 25E5 

-----BEGIN PGP PUBLIC KEY BLOCK-----

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=PwhX
-----END PGP PUBLIC KEY BLOCK-----

That having been said, there are a lot of Web pages on GPG. I will only say here that I think it's one of the milestone's of the Internet that Phil Zimmerman bravely stood up to the goons of the Federal Government by both creating this wonderful piece of software, putting it out for free and then refusing to back down in the face of massive government acts of intimidation which lasted for years.

And since I'm updating things here I guess I'd better update the below links.

I'm leaving the legacy links in there, so if you click on a link and the page it brings you to says that it was last updated in 2002, well that's just one of the older ones.

A bunch of things have changed in the past few years and folks with newer systems need newer links. But some folks are still able to keep their older machines running and so I'm leaving the legacy links in because they're still relevant to those folks.

If you're going to try to install one of the encryption/signing applications on your system be sure to read the Web pages about those applications thoroughly so you make sure you're getting something that's compatible with whatever sort of system you're running.

The PGP, GPG FAQ (Frequently Asked Questions) pages:

A good place to get started is the GnuPrivacyGuard (GPG) page.

If you really want to get into the details of OpenPGP click here.

The PGP Corporation has all sorts of software it sells, here's their FAQ.

Key Servers

If you want to send an encrypted message to another person with whom you haven't exchanged public keys, or if you want to verify the signature of another person with whom you've not exchanged public keys, you may find a key server useful. A key server is where public keys are placed so that anyone who wants to know the public key of someone can search for it.

In order to have your public key on one of these servers you have to upload it to one, or more, of them. Making a GPG/PGP key does not automatically place your public key on one of these servers. Some people never upload their public keys to the key servers. Caveat: if your real E-mail address is included as a part of your USER ID then your real E-mail address will be publicly available if you upload your public key to a key server, and spammers do look through the lists on key servers for E-mail addresses to spam.

Below is a link to a Web page that lists currently functional key servers.

List of key servers.

Older links.

http://cryptography.org/getpgp.htm

http://cryptography.org/getpgp.txt

http://www.pgp.net/pgpnet/pgp-faq/

Where can you get PGP, GPG and related software?

GNU Privacy Guard can be downloaded here.

Enigmail works with the Thunderbird E-mail client.

Here's a page full of front ends that allow you to use GPG with various systems, including Windows, Macs, *ix, and E-mail clients like Eudora and Outlook.

PGP is now a company called PGP Corporation and you can get the latest version, which will have fewer features after 30 days, here.

Additional Older links.

http://www.pgpi.com

http://cryptography.org

http://www.eudora.com

http://web.mit.edu/network/pgp.html

For locations where you can download PGP from outside the United States of America see the above FAQs.

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