Browser-based demo of multi-instance security degradation in code-based KEMs — BIKE, HQC, and Classic McEliece eroding below NIST Level 1 as one public key is reused across many session keys. Computes effective bit-security from published parameters and the DOOM syndrome-decoding formulas of ePrint 2026/517. No attack simulation. No backends.
cryptography bike doom syndrome-decoding post-quantum-cryptography hqc kem key-rotation crypto-lab code-based-cryptography classic-mceliece nist-pqc multi-instance-security
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Updated
Aug 27, 2026 - TypeScript