DeepMind's AlphaProof Code formally verifies Signal protocol at machine-code level
swarat · x · 2026-11-10
A Google DeepMind team claims a major software-engineering and cybersecurity milestone: formally verifying a real-world implementation of the Signal cryptographic protocol at the machine-code level, using AlphaProof Code, their new AI framework for formal specification and verification. Paper, Lean code and a DeepMind blog post are public.
Author swarat recounts entering formal verification 20+ years ago, drawn by Dijkstra's vision of programming backed by mathematical theorems — when one had to choose between automated analysis and manual proofs. AI is now bringing that vision to real-world cryptographic implementations.
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