Abstract
In this paper, we propose an improved proxy blind signature scheme based on controlled quantum teleportation. Five-qubit entangled state functions as quantum channel. We use physical characteristics of quantum mechanics to implement signature, delegation and verification. Furthermore, quantum key distribution (QKD) protocol and one-time pad are adopted in this scheme. Like classical signature protocols, our scheme can be used in many application scenarios, such as e-government and e-business.
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Acknowledgements
This work is supported by the National Natural Science Foundation of China (Grant No. 61402275, 61402015, 61273311), the Natural Science Foundation of Shaanxi Province (Grant No. 2015JM6263, 2016JM6069), and the Fundamental Research Funds for the Central Universities(Grant No. GK201402004).
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Guo, X., Zhang, JZ. & Xie, SC. An Improved Proxy Blind Signature Scheme. Int J Theor Phys 58, 354–363 (2019). https://doi.org/10.1007/s10773-018-3936-7
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DOI: https://doi.org/10.1007/s10773-018-3936-7