David Wong

cryptologie.net

cryptography, security, and random thoughts

Hey! I'm David, cofounder of zkSecurity, advisor at Archetype, and author of the Real-World Cryptography book. I was previously a cryptography architect of Mina at O(1) Labs, the security lead for Libra/Diem at Facebook, and a security engineer at the Cryptography Services of NCC Group. Welcome to my blog about cryptography, security, and other related topics.

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Mildly interesting stuff I screenshot

blog

Sometimes I read something interesting, and so I take a screenshot of it. And I know some people glance at this blog hoping to read a short piece that will provide some good knowledge. So here you go.

Taken from a Dan Bernstein’s blogpost:

ecc

some history on curves

ecc

some constant-time shenanigans

ecc

The following is taken from the wikipedia’s page on cryptanalysis

crypta

some more:

crypta

and some more:

crypta

And now some history about how the word Entropy was “coined” by Shannon. Taken from Tobin - Entropy, Information, Landauer’s limit and Moore’s law

entropy

suggested reads:
→ Briefs about crypto • blog
→ CryptoMag is looking for articles • blog
→ Real-World Cryptography, a bit more than a year later • blog
← back to all posts blog • 2015-11-27
currently reading:
Mildly interesting stuff I screenshot
11-27 blog
recent posts:
How to Make it in a Security Team
10-26 blog
Getting Into The Zone
10-13 blog
Intuitions Behind the Range Proofs of Bulletproof: Part 2
10-01 blog
Halo2's Elegant Transcript As Proof
09-28 blog
High-level intuitions for the Bulletproofs/IPA protocol
09-26 blog
📖 my book
Real-World Cryptography is available from Manning Publications.
A practical guide to applied cryptography for developers and security professionals.
🎙️ my podcast
Two And A Half Coins on Spotify.
Discussing cryptocurrencies, databases, banking, and distributed systems.
📺 my youtube
Cryptography videos on YouTube.
Video explanations of cryptographic concepts and security topics.