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Efficient Almost Strongly Universal Hash Function for Quantum Key Distribution

Abstract : Quantum Key Distribution (QKD) technology, based on principles of quantum mechanics, can generate unconditional security keys for communication parties. Information-theoretically secure (ITS) authentication, the compulsory procedure of QKD systems, avoids the man-in-the-middle attack during the security key generation. The construction of hash functions is the paramount concern within the ITS authentication. In this extended abstract, we proposed a novel Efficient NTT-based ε-Almost Strongly Universal Hash Function. The security of our NTT-based ε-ASU hash function meets ε ≤ L(n + 1)/2n − 2. With ultra-low computational amounts of construction and hashing procedures, our proposed NTT-based ε-ASU hash function is suitable for QKD systems.
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Bo Liu, Baokang Zhao, Chunqing Wu, Wanrong Yu, Ilsun You. Efficient Almost Strongly Universal Hash Function for Quantum Key Distribution. 3rd International Conference on Information and Communication Technology-EurAsia (ICT-EURASIA) and 9th International Conference on Research and Practical Issues of Enterprise Information Systems (CONFENIS), Oct 2015, Daejon, South Korea. pp.282-285, ⟨10.1007/978-3-319-24315-3_29⟩. ⟨hal-01466229⟩

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