https://github.com/systemslibrarian/crypto-lab-hqc-timing-break

Browser demo of the first cache-timing full-decryption oracle attack on post-quantum HQC (Dong & Guo, IACR 2026/693) — showing how Clang -O3 silently rewrites constant-time Reed-Muller decoding into secret-dependent branches. Real HQC math, deterministic leak model, Soft-ISD key recovery.

cache-timing-attack code-based-cryptography compiler-vulnerability constant-time cryptanalysis crypto-lab cryptography flush-reload hqc information-set-decoding kem nist-pqc post-quantum-cryptography reed-muller-code side-channel-attack soft-isd

Last synced: 01 Jun 2026