基于 χ 状态的新型量子多方盲签名方案

IF 0.7 4区 物理与天体物理 Q3 COMPUTER SCIENCE, THEORY & METHODS
Xingjia Wei, Shuangshuang Luo, Depeng Meng, Dianjun Lu, Zhihui Li
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引用次数: 0

摘要

量子数字签名作为经典数字签名的扩展,已成为量子密码学的重要研究内容。量子盲签名结合了经典盲签名和量子签名的优点,可以在实现报文盲签名的基础上保证方案的无条件安全性,可以有效地应用于现实世界的诸多场景。本文以四粒子χ态为通信信道,结合量子远传技术,提出了一种新的量子多方盲签名协议,该协议具有以下特点:首先,引入了基于线性移位寄存器的Toeplitz哈希函数对报文进行盲签名,并可根据实际需求调整盲签名报文的长度,增加了方案的灵活性;其次,通过多方参与,实现了多比特报文的盲签名,提高了签名效率。与其他量子盲签名相比,签名效率大大提高;最后,利用四粒子χ态作为量子信道,可以使方案使用更少的资源传输数据,提高了方案的安全性。通过安全性分析,可以看出该方案具有盲签名、不可抵赖性和不可伪造性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
A novel quantum multiparty blind signature scheme based on χ state

Quantum digital signature, as an extension of classical digital signature, has become an important research content in quantum cryptography. Quantum blind signature combines the advantages of classical blind signature and quantum signature, which can ensure the unconditional security of the scheme based on the realization of the blinded signature of the message, and can be effectively applied in many real-world scenarios. This paper uses the four-particle χ state as a communication channel, combined with quantum teleportation technology to propose a new quantum multi-party blind signature protocol, which has the following characteristics: First, the Toeplitz hash function based on the linear shift register is introduced to blind the message, and the length of the blinded message can be adjusted according to the actual demand to increase the flexibility of the scheme; Second, through multi-party participation, the blind signature of multi-bit messages can be realized, and the signature efficiency can be improved. Compared with other quantum blind signatures, the signature efficiency has been greatly improved; Finally, using the four-particle χ state as a quantum channel can make the scheme use fewer resources to transmit data and increases the security of the scheme. Through security analysis, it can be seen that the scheme has blindness, nonrepudiation and unforgeability.

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来源期刊
International Journal of Quantum Information
International Journal of Quantum Information 物理-计算机:理论方法
CiteScore
2.20
自引率
8.30%
发文量
36
审稿时长
10 months
期刊介绍: The International Journal of Quantum Information (IJQI) provides a forum for the interdisciplinary field of Quantum Information Science. In particular, we welcome contributions in these areas of experimental and theoretical research: Quantum Cryptography Quantum Computation Quantum Communication Fundamentals of Quantum Mechanics Authors are welcome to submit quality research and review papers as well as short correspondences in both theoretical and experimental areas. Submitted articles will be refereed prior to acceptance for publication in the Journal.
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