Better Quantum Seal Schemes based on Trapdoor Claw-Free Functions

August 23, 2023 Β· Declared Dead Β· πŸ› arXiv.org

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Authors Xiaogang Cheng, Ren Guo arXiv ID 2308.12310 Category quant-ph: Quantum Computing Cross-listed cs.CR Citations 0 Venue arXiv.org Last Checked 5 months ago
Abstract
Seal in classical information is simply impossible. Since classical information can be easily copied any number of times. Based on quantum information, esp. quantum unclonable theorem, quantum seal maybe constructed perfectly. But it is shown that perfect quantum seal is impossible, and the success probability is bounded. In this paper, we show how to exceed the optimal bound by using the TCF (Trapdoor Claw Free) functions, which can be constructed based on LWE assumption. Hence it is post-quantum secure.
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