Hey! I'm David, cofounder of zkSecurity and the author of the Real-World Cryptography book. I was previously a crypto architect at O(1) Labs (working on the Mina cryptocurrency), before that I was the security lead for Diem (formerly Libra) at Novi (Facebook), and a security consultant for the Cryptography Services of NCC Group. This is my blog about cryptography and security and other related topics that I find interesting.

A Stick Figure Guide to the Advanced Encryption Standard (AES) posted June 2014

aes

Someone wrote about this awesome explanation of what is AES from scratch on the #crypto channel on freenode. It's pretty nice!

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