david wong

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.

PQCHacks: A gentle introduction to post-quantum cryptography posted December 2015

With all the current crypto talks out there you get the idea that crypto has problems. crypto has massive usability problems, has performance problems, has pitfalls for implementers, has crazy complexity in implementation, stupid standards, millions of lines of unauditable code, and then all of these problems are combined into a grand unified clusterfuck called Transport Layer Security.

Check that 32c3 video of djb and tanja

It explains a few of the primitives backed by PQCrypto for a post-quantum world. I did myself a blog series on hash-based signatures which I think is clearer than the above video.

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