Boston Linux & UNIX was originally founded in 1994 as part of The Boston Computer Society. We meet on the third Wednesday of each month at the Massachusetts Institute of Technology, in Building E51.

Our Next PGP/GnuPG Keysigning Party

There are currently no upcoming PGP/GnuPG keysigning parties scheduled.


Script to sign keys

In order to minimize the chore of signing many keys, you can use a tool to simply the process as much as possible. The recommended tool for signing keys post-keysigning party is "caff", which can be installed on debian, Ubuntu, Fedora, CentOS, or Red Hat systems via one of

For Red hat and CentOS systems, the pgp-tools package is in the optional EPEL repo.


Previous Keysigning Parties

  1. September 18, 2019 :: Crypto News and Our Annual PGP/GnuPG Key-Signing Party. Transitioning from PGP/GnuPG
  2. September 19, 2018 :: Crypto News, plus our annual PGP/GnuPG Key-Signing Party. VENONA, breaking Soviet OTP. Quantum Outlook.
  3. September 20, 2017 :: Crypto News Review, Historical Vignette, and GPG/PGP Key-Signing - WW2 binary tape machines (Vernam mixer, STURGEON, TUNNY) and Bletchley Park
  4. September 21, 2016 :: Transposition Cyphers in Historic Context, and PGP/GnuPG Keysigning Party XVI
  5. September 16, 2015 :: Jeff Schiller and PGP/GnuPG Keysigning Party XV
  6. September 17, 2014 :: Crypto News, TOR, and our PGP/GnuPG Keysigning Party XIV - Guest speaker Shava Nerad on TOR history. Keysizes. Operational PGP (Grugqs)
  7. September 18, 2013 :: PGP/GnuPG Keysigning Party XIV - (PGP praxis)
  8. September 19, 2012 :: PGP/GnuPG Keysigning Party XIII - "Death of Clever" (password strength)
  9. September 21, 2011 :: PGP/GnuPG Keysigning Party XII - Solving newly found Vigenère message from Vicksburg battle.
  10. September 15, 2010 :: PGP/GnuPG Keysigning Party XI, plus a talk by V. Alex Brennan
  11. September 16, 2009 :: PGP/GnuPG Keysigning Party X - Enigma videos
  12. September 17, 2008 :: PGP/GnuPG Keysigning Party IX
  13. September 19, 2007 :: PGP/GnuPG Keysigning Party VIII - Chalktalk from Caesar to NSA and RSA
  14. September 20, 2006 :: PGP/GnuPG Keysigning Party VII
  15. August 17, 2005 :: PGP/GnuPG Keysigning Party VI
  16. September 15, 2004 :: PGP/GnuPG Keysigning Party V
  17. September 17, 2003 :: PGP/GnuPG Keysigning Party IV
  18. January 15, 2003 :: PGP/GnuPG Keysigning Party III
  19. December 19, 2001 :: PGP/GnuPG Keysigning Party II
  20. September 18, 1996 :: PGP and Electronic Privacy

BLU is a member of BostonUserGroups
BLU is a member of BostonUserGroups
We also thank MIT for the use of their facilities.

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