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    • New note by bobjonkman 29 November 2020
      Bread machines are great. I haven't bought a loaf of bread in about three years. If #sonTwo's bread machine has custom settings, I recommend 20 min knead time, changing the rise times (1hr, 1.5hrs, 1.5hrs) and at least 60-70 min bake time. A good recipe is 1 cup water, 2.5 cups all-purpose flour, 2 tbsp […]
    • bobjonkman repeated a notice by lnxw48a1 29 November 2020
      RT @lnxw48a1 #sonTwo texted to tell me that his in-laws bought them a bread machine. Me: Oh, cool! I was thinking the same thing, but it's beyond my current budget. They can sometimes be competitive, but I'm more of *good, you're helping take care of our kids and grandkids*
    • New note by bobjonkman 28 November 2020
      I'm near the Great Lakes (about an hour's drive from either Lake Ontario or Lake Huron, depending whether I go South or West). It was 5C for most of the day, about 40F for your USians. Apparently that's normal for this time of year...
    • bobjonkman repeated a notice by lnxw48a1 28 November 2020
      RT @lnxw48a1 About halfway through today's #YoCo ( #yogurt and #coffee ). Indoor temperature is 60°F, outdoor temperature is 30°F. Outdoor cats' water dish has about 0.5in / 1cm of ice on top. Very glad I'm not near the Great Lakes right now.
    • Favorite 24 November 2020
      bobjonkman favorited something by lnxw48a1: @vegos I agree. To most organizations, their primary concern is reach. So they congregate on big #corpocentric #socnets, even when the central corporation running things is actively hostile to their point of view. Then they're butthurt when their accounts are shadowbanned. Years ago, I tried to persuade some local Black […]
    • bobjonkman repeated a notice by lnxw48a1 24 November 2020
      RT @lnxw48a1 @vegos I agree. To most organizations, their primary concern is reach. So they congregate on big #corpocentric #socnets, even when the central corporation running things is actively hostile to their point of view. Then they're butthurt when their accounts are shadowbanned. Years ago, I tried to persuade some local Black churches and ethic-focused […]
    • bobjonkman repeated a notice by lnxw48a1 24 November 2020
      RT @lnxw48a1 https://techcrunch.com/2020/11/24/australia-spy-agencies-covid-19-app-data/ [techcrunch com] #Australia spy agencies caught collecting #COVID-19 app data #surveillance Source: https://mastodon.social/@glynmoody/105266051824700682
    • 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 […]

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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