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In this post I’ll explain why quantum computers are useless to find hash function collisions, and how we can leverage this powerlessness to build post-quantum signature schemes. I’ll then describe a quantum computing model that you can try at home, and one where hash function collisions are easy to find…
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In common slang, FTW is an acronym “for the win” and while that’s appropriate here, I think a better expansion is “for the world.”
We’re pleased to announce that we have sponsored the development of TLS 1.3 in OpenSSL. As it is one of the most widely-used TLS libraries, it is a good investment for the overall health and security of the Internet, so that everyone is able to deploy TLS 1.3 as soon as possible…
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This is a repost promoting content originally published elsewhere. See more things Dan's reposted.
TempleOS is somewhat of a legend in the operating system community. Its sole author, Terry A. Davis, has spent the past 12 years attempting to create a new operating from scratch. Terry explains that God has instructed him to construct a temple, a 640×480 covenant of perfection. Unfortunately Terry also suffers from schizophrenia, and has a tendency to appear on various programming forums with a burst of strange, paranoid, and often racist comments. He is frequently banned from most forums…
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Chris works in an office full of people that like to Photoshop his face onto various things, and then post the results in the company Slack…
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Ruby is an amazing language with a lot of interesting details that you may not have seen before…
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This is a repost promoting content originally published elsewhere. See more things Dan's reposted.
I got metaphorically spanked a couple of days ago. Folks have been talking about the Fearless Girl statue ever since it was dropped in Manhattan’s Financial District some five weeks ago. I have occasionally added a comment or two to some of the online discussions about the statue.
…
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This is a repost promoting content originally published elsewhere. See more things Dan's reposted.
Here’s a minor mystery:
echo •That last character is U+2022. Select that line with the mouse, right-click, and select Copy to copy it to the clipboard. Now go to a command prompt and paste it and hit Enter.
You’d expect a • to be printed, but instead you get a beep. What happened?
…
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This is a repost promoting content originally published elsewhere. See more things Dan's reposted.
This checkin to GLQXF927 Arnside Viaduct (revived) reflects a geocaching.com log entry. See more of Dan's cache logs.
Found without difficulty before a cross-bay walk. Had to hang around for a few minutes to find a muggle-free opportunity to enter the GZ, but sitting on the grass had made it easy to work out where the container was in the meantime. TFTC!
This checkin to GLQXBVZP Shopperholics Paradise - Deepdale MK II reflects a geocaching.com log entry. See more of Dan's cache logs.
I remember when this was all… well, not this! Strange to come back to a town I lived in on the 80s and see how much has changed
Found without difficulty. Totally room for a bigger container here: perhaps worth an upgrade! TFTC.
This checkin to GLQXDQBE Bzb - BR reflects a geocaching.com log entry. See more of Dan's cache logs.
Nice easy find while on the way to catch a train. Good hiding place for keeping safe and dry! TFTC.
