David Wong

cryptologie.net

cryptography, security, and random thoughts

Hey! I'm David, cofounder of zkSecurity, research 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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What is GCM (Galois Counter Mode)?

blog

In this video I’m explaining what is that Galois Counter Mode that provides Authenticated Encryption with Associated Data (AEAD). You must have heard it combined with AES, and maybe used in TLS, … This is just a small explanation, you can get more on the NIST specs.

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suggested reads:
→ One GCM implementation pitfall • blog
→ Breaking https' AES-GCM (or a part of it) • blog
→ The Noise Protocol Framework • blog
← back to all posts blog • 2015-07-03
currently reading:
What is GCM (Galois Counter Mode)?
07-03 blog
recent posts:
New cryptologie.net
07-20 blog
Weaponizing AI Assistants: With Their Permission
07-20 blog
What are Schwartz-Zippel circuits? How do they relate to iterative constraint systems?
05-29 blog
Short Note On Montgomery Reduction: Why Operating Modulo b?
05-24 blog
Still confused by Plonk's permutation?
03-13 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.