This paper presents a novel approach to proxy blind signatures in the realm of quantum circuits,aiming to enhance security while safeguarding sensitive information.The main objective of this research is to introduce a...This paper presents a novel approach to proxy blind signatures in the realm of quantum circuits,aiming to enhance security while safeguarding sensitive information.The main objective of this research is to introduce a quantum proxy blind signature(QPBS)protocol that utilizes quantum logical gates and quantum measurement techniques.The QPBS protocol is constructed by the initial phase,proximal blinding message phase,remote authorization and signature phase,remote validation,and de-blinding phase.This innovative design ensures a secure mechanism for signing documents without revealing the content to the proxy signer,providing practical security authentication in a quantum environment under the assumption that the CNOT gates are securely implemented.Unlike existing approaches,our proposed QPBS protocol eliminates the need for quantum entanglement preparation,thus simplifying the implementation process.To assess the effectiveness and robustness of the QPBS protocol,we conduct comprehensive simulation studies in both ideal and noisy quantum environments on the IBM quantum cloud platform.The results demonstrate the superior performance of the QPBS algorithm,highlighting its resilience against repudiation and forgeability,which are key security concerns in the realm of proxy blind signatures.Furthermore,we have established authentic security thresholds(82.102%)in the presence of real noise,thereby emphasizing the practicality of our proposed solution.展开更多
为探究多比特量子算法在量子芯片和模拟器中的实现现状,分别在IBM量子芯片和模拟器上运行Grover搜索算法、量子随机行走算法以及量子傅里叶变换算法。针对2 bit Grover搜索算法和2 bit量子随机行走算法,分析测量次数对运行结果的影响并...为探究多比特量子算法在量子芯片和模拟器中的实现现状,分别在IBM量子芯片和模拟器上运行Grover搜索算法、量子随机行走算法以及量子傅里叶变换算法。针对2 bit Grover搜索算法和2 bit量子随机行走算法,分析测量次数对运行结果的影响并选用最高可模拟次数对量子芯片和模拟器的运算结果进行比对。设计并运行5 bit量子傅里叶变换算法和3 bit Grover搜索算法,分别采用IBM Q模拟器进行最高次数的模拟。实验结果表明,量子芯片测试结果并没有随测量次数的增加而优化,模拟器计算结果的准确度明显优于量子芯片。展开更多
基金Project supported by the General Project of Natural Science Foundation of Hunan Province(Grant Nos.2024JJ5273 and 2023JJ50328)the Scientific Research Project of Education Department of Hunan Province(Grant Nos.22A0049 and 22B0699)。
文摘This paper presents a novel approach to proxy blind signatures in the realm of quantum circuits,aiming to enhance security while safeguarding sensitive information.The main objective of this research is to introduce a quantum proxy blind signature(QPBS)protocol that utilizes quantum logical gates and quantum measurement techniques.The QPBS protocol is constructed by the initial phase,proximal blinding message phase,remote authorization and signature phase,remote validation,and de-blinding phase.This innovative design ensures a secure mechanism for signing documents without revealing the content to the proxy signer,providing practical security authentication in a quantum environment under the assumption that the CNOT gates are securely implemented.Unlike existing approaches,our proposed QPBS protocol eliminates the need for quantum entanglement preparation,thus simplifying the implementation process.To assess the effectiveness and robustness of the QPBS protocol,we conduct comprehensive simulation studies in both ideal and noisy quantum environments on the IBM quantum cloud platform.The results demonstrate the superior performance of the QPBS algorithm,highlighting its resilience against repudiation and forgeability,which are key security concerns in the realm of proxy blind signatures.Furthermore,we have established authentic security thresholds(82.102%)in the presence of real noise,thereby emphasizing the practicality of our proposed solution.
文摘为探究多比特量子算法在量子芯片和模拟器中的实现现状,分别在IBM量子芯片和模拟器上运行Grover搜索算法、量子随机行走算法以及量子傅里叶变换算法。针对2 bit Grover搜索算法和2 bit量子随机行走算法,分析测量次数对运行结果的影响并选用最高可模拟次数对量子芯片和模拟器的运算结果进行比对。设计并运行5 bit量子傅里叶变换算法和3 bit Grover搜索算法,分别采用IBM Q模拟器进行最高次数的模拟。实验结果表明,量子芯片测试结果并没有随测量次数的增加而优化,模拟器计算结果的准确度明显优于量子芯片。
