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upvoted an article 4 days ago
Quantum Cryptanalysis on Real Hardware: Pushing Symmetric-Structure Key Recovery Beyond the Published Frontier
reacted to SeaWolf-AI's post with 🔥 4 days ago
🔓 We ran genuine quantum key-recovery on 'real IBM quantum hardware' — and pushed the frontier well past the largest hardware demos we're aware of (which sat at N=4). Using Simon's algorithm on `ibm_kingston`, we recovered the secret key of two symmetric-cipher structures: • Even–Mansour — N=5 → N=10 • 3-round Feistel (DES-family) — block 6 → 8 Each verified against an 'independent control key', using error mitigation only (no QEC). 🧭 Honest scope: this is not a quantum speedup (the effective difficulty tracks the classical birthday bound ~2^{n/2}), not a break of real AES/RSA, and not 16-round DES (ours is 3-round). The recovery method is reserved for a forthcoming paper; formal record status is pending peer review. 📄 Write-up: https://huggingface.co/blog/FINAL-Bench/quantum 🕹️ Try it live in your browser: https://huggingface.co/proxy/vidraft-quantumos.hf.space/crypto 🏆 Leaderboard: https://huggingface.co/spaces/FINAL-Bench/quantum-bench-leaderboard #quantum #cryptography #quantumcomputing
upvoted a collection 6 days ago
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