Micah Lee 🫡

@micahflee ↗

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Last Checked June 12, 2020

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Tue May 26 23:10:24 +0000 2020

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Micah Lee 🫡 @micahflee

There’s also a signature chain full of contact list updates - you keep track of the device keys you notice for everyone you have meetings with, so you can tell if someone joins from an unrecognized (possibly faked) device https://t.co/TjDYg8jAPY — PolitiTweet.org

Posted May 26, 2020

Preceded By

Micah Lee 🫡 @micahflee

Phase 2 is all about identity. Each user makes signed statements when they add new devices and revoke devices, and these statements are part of a signature chain so a malicious server can’t replay or emit any of them — PolitiTweet.org

Posted May 26, 2020

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Micah Lee 🫡 @micahflee

Phase 3 introduces a transparency tree, similar to Certificate Transparency. It ensures that Zoom tells all users the same info about who has what key — meaning if an insider performs a MITM attack against users, there will be a public auditable evidence trail — PolitiTweet.org

Posted May 26, 2020