Implementation of an E-Payment Security Evaluation System Based on Quantum Blind Computing

Cai, Dongqi; Chen, Xi; Han, Yangyang; Yi, Xizhang; Jia, Jinping; Cao, Cong; Fan, Ling

doi:10.1007/s10773-020-04536-8

Cited by 12 publications

(2 citation statements)

References 71 publications

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“…The key generation matrix is used to generate private keys for multiple participants, and then encrypt information using the private keys to ensure the secure transmission of information for each participant. The key generation matrix is an n × n square matrix [41], which is represented as…”

Section: Key Generation Matrixmentioning

confidence: 99%

Quantum homomorphic aggregate signature based on quantum Fourier transform

Chen,

Lu,

Deng

et al. 2024

Quantum Inf Process

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With the rapid development of computer and internet technology, quantum signature plays an extremely important role in modern secure communication. Quantum homomorphic aggregate signature, as an important guarantee of quantum signature, plays a significant role in reducing storage, communication, and computing costs. This article draws on the idea of quantum multi-party summation and proposes a quantum homomorphic aggregate signature scheme based on quantum Fourier transform. Our scheme uses n-particle entangled states as quantum channels, with different particles of each entangled state sent separately. This ensures secure transmission of signatures and messages with fewer entangled particles during transmission, further improving the efficiency of quantum signatures. Meanwhile, our scheme generates private keys for each participating party by randomly constructing key generation matrixes. Different signers perform quantum Fourier transforms and basis exchange operations on entangled particles based on different messages and private keys to generate signatures. In addition, the aggregator does not need to measure and verify the signature particles after receiving signatures from different signers, and the group addition operation process has additive homomorphism. Security analysis shows that our scheme has unforgeability, non-repudiation, and can resist various attacks such as entanglement measurement attacks, intercept-resend attacks, private key sequence attacks, and internal attacks by aggregator.

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Section: Key Generation Matrixmentioning

confidence: 99%

Quantum homomorphic aggregate signature based on quantum Fourier transform

Chen,

Lu,

Deng

et al. 2024

Quantum Inf Process

View full text Add to dashboard Cite

show abstract

“…Lately, e-payments, in almost every field, has become mainstream because of e-commerce websites, however, their security is compromised by emergence of quantum computers in market. Recently, based on quantum blind computing, epayment security evaluation system, for evaluating security of network transactions, is proposed which guarantees security [233]. Blind quantum computing protocols will help Alice to solve problems related to leaking private information and there is no known classical method to efficiently verify the solution, which motivates the need for authentication of full fledged quantum computation, even in the case that the output is classical.…”

Section: B Blind Computingmentioning

confidence: 99%