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.
Those past few months I've been working on a C implementation of a whitebox using Chow et al's paper and the DES algorithm.
It's not done yet but the code is available on github. I also did a C implementation of DES just to get a grip on it, it's available on github as well.
I just did a presentation of the research my team and I did, I think it went pretty well. The slides are here
Here are some random popular articles:
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My book Real-World Cryptography is finished and shipping! You can purchase it here.
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