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    • New note by bobjonkman 3 October 2020
      There's also Megablocks, the precursor to Duplo. And there are also Micro Megablocks, the same size as LEGO. The kits for Micro Megablocks were much better than the LEGO kits, making slightly larger models but using only standard bricks. The LEGO models were smaller, depending on many custom pieces specific to the kit, which were […]
    • Favorite 3 October 2020
      bobjonkman favorited something by clacke: Not only are Duplo blocks *like* Lego blocks, they *are* Lego blocks, and I don't just mean that Duplo is a Lego brand and produced in the same factory, the two systems are actually compatible.A Lego 2x2 block fits and sticks to the underside of a Duplo block, and the […]
    • bobjonkman repeated a notice by clacke 3 October 2020
      RT @clacke Not only are Duplo blocks *like* Lego blocks, they *are* Lego blocks, and I don't just mean that Duplo is a Lego brand and produced in the same factory, the two systems are actually compatible. A Lego 2x2 block fits and sticks to the underside of a Duplo block, and the nob on […]
    • Favorite 27 September 2020
      bobjonkman favorited something by clacke: > At least as far as we’re aware, however, this is the first time that a pirated copy of a movie has actually been shown at a cinema in the United States. And surely, it must be the first instance where a pirated copy has been obtained from a torrent […]
    • bobjonkman repeated a notice by tobias 27 September 2020
      RT @tobias ♲ @frederic: "Starting this Thanksgiving I am going to write a complete Unix-compatible software system called GNU (for Gnu's Not Unix), and give it away free to everyone who can use it." September 27, 1983 - Richard Stallman. www.gnu.org/gnu/initial-announ… Happy birthday to GNU \0/
    • Favorite 27 September 2020
      bobjonkman favorited something by tobias: ♲ @frederic@pouet.couchet.org: "Starting this Thanksgiving I am going to write a complete Unix-compatible software system called GNU (for Gnu's Not Unix), and give it away free to everyone who can use it." September 27, 1983 - Richard Stallman. www.gnu.org/gnu/initial-announ…Happy birthday to GNU \0/
    • bobjonkman repeated a notice by lxoliva 27 September 2020
      RT @lxoliva happy original software freedom day! on this day, 37 years ago, Richard Stallman launched the Free Software Movement, and the GNU Project, to build a user-freedom-respecting operating system, so that all users could do their computing in freedom
    • Favorite 27 September 2020
      bobjonkman favorited something by lxoliva: happy original software freedom day! on this day, 37 years ago, Richard Stallman launched the Free Software Movement, and the GNU Project, to build a user-freedom-respecting operating system, so that all users could do their computing in freedom
    • New note by bobjonkman 22 September 2020
      In the Netherlands (which the Dutch call "Nederland") the language is called "Nederlands", so that makes sense. Perhaps English speakers couldn't differentiate between "Nederlands" and "Deutsch", which corrupted to "Dutch". And why do we call the country "Germany" and the inhabitants "Germans" when they call their country "Deutschland" and themselves "die Deutsche"?
    • Favorite 29 August 2020
      bobjonkman favorited something by eloquence: Disturbing reports that Google Play is threatening to kick out Mastodon apps. See:https://mastodon.social/@Gargron/104763960269049818https://toot.fedilab.app/@fedilab/104765191594914330App stores have a track record of acting capriciously & are also easy targets for gov't censors (including Trump). This is why alternatives like @fdroidorg are so important for user freedom.If unfamiliar: F-Droid is a free & open […]

Cryptography and Security Events in Kitchener-Waterloo

Posted by Bob Jonkman on 9th October 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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