[messaging] Sneek Peek: Confusion Key Exchange

Tony Arcieri bascule at gmail.com
Tue Jul 8 14:09:59 PDT 2014

Here's a sneek peek at the demo (more like "teaser") video I made for the
Confusion key exchange workflow which I'll be presenting at SOUPS tomorrow:


This is demonstrating the use of short authentication strings (the 60-bit
entropy scrypt-strengthened ones I was referring to earlier) to rendezvous
via a remailer-style publishing service that broadcasts everyone's
ciphertexts to all users of the system.

The goal is to pad messages and key exchanges to be the same size, so you
can "launder" key exchanges through an otherwise ciphertext message feed.

Still very much a work in progress, but hopefully this video explains
what's going on UI-wise. And hopefully it's so simple and intuitive you can
rock out to the epic soundtrack instead of having to listen to me babble
about it.

Confusion on Github:


Tony Arcieri
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