Cai Zhengying, Liu Shi, Han Zhangyi, Wang Rui, Huang Yuehua
College of Computer and Information Technology, China Three Gorges University, Yichang 443002, China.
College of Electrical Engineering & New Energy, China Three Gorges University, Yichang 443002, China.
Entropy (Basel). 2021 Nov 15;23(11):1520. doi: 10.3390/e23111520.
Traditional anti-quantum methods and multi-signature technologies to secure the blockchain against quantum attacks will quickly reduce the efficiency and scalability of the industrial blockchain, where the computational resources will experience a polynomial rise with the increasing number of traders. Here, a quantum blind multi-signature method is proposed for the multi-party transaction to provide anti-quantum security. First, the proposed multi-party transaction frame and quantum key distribution in the industrial blockchain are introduced. It integrates a novel quantum blind multi-signature algorithm that is based on the quantum entanglement mechanism, and it is absolutely secure in theory. Second, the anti-quantum multi-signature algorithm is illustrated, where there are four phases, i.e., initialization, signing, verification, and implementation. Third, the security and complexity of the proposed framework are analyzed and compared with related methods in references, and our proposed method is verified to be able to offer good computational performance and blockchain scalability for multi-party transaction. Last, the paper is summarized and future research directions are proposed.
传统的抗量子方法和多签名技术旨在保护区块链免受量子攻击，但这将迅速降低工业区块链的效率和可扩展性，因为随着交易者数量的增加，计算资源将呈多项式增长。在此，针对多方交易提出了一种量子盲多签名方法，以提供抗量子安全性。首先，介绍了工业区块链中提出的多方交易框架和量子密钥分发。它集成了一种基于量子纠缠机制的新型量子盲多签名算法，理论上绝对安全。其次，阐述了抗量子多签名算法，该算法有四个阶段，即初始化、签名、验证和实施。第三，分析了所提框架的安全性和复杂性，并与参考文献中的相关方法进行了比较，验证了所提方法能够为多方交易提供良好的计算性能和区块链可扩展性。最后，对本文进行了总结并提出了未来的研究方向。
