Welcome to the resource topic for 2025/1415
Title:
Quantum Implementation of SHA-1
Authors: Seyoung Yoon, Gyeongju Song, Kyungbae Jang, Sangmin Cha, Hwajeong Seo
Abstract:As quantum computing technology rapidly advances, threats to existing symmetric-key and public-key cryptosystems are becoming increasingly real. In this study, we implement a SHA-1 quantum circuit that operates efficiently in a quantum computing environment. We optimize the quantum circuit, focusing on minimizing total circuit depth, a key performance indicator of quantum algorithms. The SHA-1 quantum circuit implementation used 985 qubits, resulting in a measured circuit depth of 9,026. Furthermore, by integrating this optimized circuit with the Grover algorithm, we establish the foundation for an efficient quantum attack on the SHA-1 algorithm. This research is significant not only because it presents a resource-efficient SHA-1 quantum implementation but also because it enables accelerated attacks in a quantum computing environment.
ePrint: https://eprint.iacr.org/2025/1415
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