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    • Favorite 22 September 2018
      bobjonkman favorited something by djsundog: 'I am not the Dread Cryptographer Zimmerman', he said. 'My name is Ryan; I inherited the pad from the previous Dread Cryptographer Zimmerman, just as you will inherit it from me. The man I inherited it from is not the real Dread Cryptographer Zimmerman either. His name was Cummerbund. The […]
    • Favorite 22 September 2018
      bobjonkman favorited something by codeawayhaley: The person who keeps stealing from the Herb garden please get a hobby, and stop wasting our thyme.
    • New note by bobjonkman 22 September 2018
      That's very sage advice.
    • Favorite 22 September 2018
      bobjonkman favorited something by storm: !joke There once was a man from Racine, who invented a fucking machine. concave and convex, it fucked either sex, and jerked off itself in between.
    • Favorite 22 September 2018
      bobjonkman favorited something by moondoggy: @hairylarry listening to today's Something Blue now, because I couldn't turn it on at work. Awesome show! @bobjonkman is listening too.
    • bobjonkman repeated a notice by moondoggy 22 September 2018
      RT @moondoggy @hairylarry listening to today's Something Blue now, because I couldn't turn it on at work. Awesome show! @bobjonkman is listening too.
    • bobjonkman repeated a notice by cypnk 21 September 2018
      RT @cypnk Ever-growing list of websites that don’t work at all or show a plain white page without #JavaScript is a testament to the cesspool that is modern web developmentI browse without JS on mobile to save my meager bandwidth (8mb for JS libs from 10 different sources), to save battery life, and to avoid […]
    • Favorite 21 September 2018
      bobjonkman favorited something by cypnk: Ever-growing list of websites that don’t work at all or show a plain white page without #JavaScript is a testament to the cesspool that is modern web developmentI browse without JS on mobile to save my meager bandwidth (8mb for JS libs from 10 different sources), to save battery life, […]
    • bobjonkman repeated a notice by strypey 20 September 2018
      RT @strypey @danyspin97 this is why I don't trust Signal. Why is Moxie so opposed to F-Droid (or even Debian) compiling #Signal clients from source rather than using his binaries? If he does all the compiling, it doesn't matter that both the client and server source code are on public repos, because we only have […]
    • Favorite 20 September 2018
      bobjonkman favorited something by strypey: @danyspin97 this is why I don't trust Signal. Why is Moxie so opposed to F-Droid (or even Debian) compiling #Signal clients from source rather than using his binaries? If he does all the compiling, it doesn't matter that both the client and server source code are on public repos, because […]

Cryptography and Security Events in Kitchener-Waterloo

Posted by Bob Jonkman on October 9th, 2013

The months of October and November are shaping up to have some great lectures and presentations on cryptography, security and privacy.

Sheet of paper, strips of paper

Keysigning materials

Yesterday started off with an informal keysigning at the KWLUG meeting. The presentation was on the Scratch programming environment, nothing to do with GnuPG/PGP or cryptography. But a few of us exchanged little slips of paper with our key fingerprints, verified that the name with the fingerprint matched the person we knew, signed the keys, and so improved our standing in the Web of Trust. I hope that this becomes a regular part of all KWLUG meetings. The more people that participate, the more confident we can be about the validity of keys we may not have verified ourselves.

Today I attended the first UofW CSClub lecture on Security and Privacy by Sarah Harvey. If you’ve been following the news about the Snowden revelations you’ll know why security and privacy is important. The room was full of computer science, math and cryptography students, so the discussions were deep and technical.

Sarah Harvey shows a slide of Edward Snowden

Sarah Harvey shows a slide of Edward Snowden

There was a vacancy in the November KWLUG meeting so I asked Sarah if she would repeat her lecture. Let’s see what the KWLUG bosses have to say

There are more CSClub lectures scheduled, check the schedule on the CSClub site.


M-209 cipher machine

KWCrypto logo, the M-209 cipher machine

I’ve volunteered to do a presentation on Encrypting E-mail with GnuPG, Thunderbird and Enigmail, followed by a formal keysigning. I’m developing the presentation notes and keysigning procedure on the KWCrypto Interest Group Wiki that was set up after the Kwartzlab keysigning party last year. Please join me on the Wiki and the mailing list — I’d appreciate the help.

–Bob.

Keysigning Materials picture taken by Bob Jonkman and released under a CC BYCreative Commons — Attribution — CC BY license.

M-209 cipher machine by Greg Goebel used under CC BY-SACreative Commons – Attribution-ShareAlike 2.0 Generic – CC BY-SA 2.0

Picture of Sarah Harvey taken by Laurel L. Russwurm and used under a CC BYCreative Commons — Attribution — CC BY license.

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