Author

Zhao-Feng Huang

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Preprint Sep 2026

Efficient Record-and-Replay Arithmetic for Quantum Elliptic-Curve Point Addition

We study reversible secp256k1 point-addition circuits developed through ECDSA.Fail for Shor's elliptic-curve discrete-logarithm algorithm. Two complementary constructions improve record-and-replay GCD arithmetic: Jump-2 groups binary-GCD steps and compresses their decisions using base-5 encoding, while ping-pong uses f...

Jie-Yi Long, Theodore Pender, Zhao-Feng Huang et al. · 0 citations

Preprint Sep 2026

ECDSA.Fail: Open Autoresearch for Optimizing Elliptic-Curve Point Addition in Shor's Algorithm

We propose Open Autoresearch, a paradigm in which humans and AI agents publish evaluator-verified improvements to a public leaderboard. We instantiate it in ECDSA.Fail, optimizing reversible secp256k1 point-addition circuits, a bottleneck in Shor's algorithm for elliptic-curve cryptography. The benchmark minimizes the...

Jie-Yi Long, Theodore Pender, Zhao-Feng Huang et al. · 0 citations

Sep 2026

Quantum-Based Two-Factor Authentication Protocol for Blockchain-Aided Internet-of-Medical-Things

The rapid growth of the Internet-of-Medical-Things (IoMT) and quantum computing presents significant security risks. Quantum algorithms efficiently break traditional public-key encryption, exposing sensitive patient data to long-term threat. Consequently, ensuring robust authentication and long-term security under quan...

Zhao-Feng Huang, Yu-Hong Ke, Xu Yang et al. · IEEE Internet of Things Jour... · 0 citations