Please use this identifier to cite or link to this item: https://doi.org/10.32604/cmc.2020.09836
Title: Privacy-preserving decision protocols based on quantum oblivious key distribution
Authors: Zhang, K.
Ma, C.
Sun, Z.
Zhang, X.
Zhou, B.
Wang, Y. 
Keywords: Point-inclusion decision
Privacy-preserving
Quantum computing
Quantum cryptography
Quantum oblivious key distribution
Set-member decision
Issue Date: 2020
Publisher: Tech Science Press
Citation: Zhang, K., Ma, C., Sun, Z., Zhang, X., Zhou, B., Wang, Y. (2020). Privacy-preserving decision protocols based on quantum oblivious key distribution. Computers, Materials and Continua 64 (3) : 1915-1928. ScholarBank@NUS Repository. https://doi.org/10.32604/cmc.2020.09836
Abstract: Oblivious key transfer (OKT) is a fundamental problem in the field of secure multi-party computation. It makes the provider send a secret key sequence to the user obliviously, i.e., the user may only get almost one bit key in the sequence which is unknown to the provider. Recently, a number of works have sought to establish the corresponding quantum oblivious key transfer model and rename it as quantum oblivious key distribution (QOKD) from the well-known expression of quantum key distribution (QKD). In this paper, a new QOKD model is firstly proposed for the provider and user with limited quantum capabilities, where both of them just perform computational basis measurement for single photons. Then we show that the privacy for both of them can be protected, since the probability of getting other's raw-key bits without being detected is exponentially small. Furthermore, we give the solutions to some special decision problems such as set-member decision and point-inclusion by announcing the improved shifting strategies followed QOKD. Finally, the further discussions and applications of our ideas have been presented. � 2020 Tech Science Press. All rights reserved.
Source Title: Computers, Materials and Continua
URI: https://scholarbank.nus.edu.sg/handle/10635/197701
ISSN: 15462218
DOI: 10.32604/cmc.2020.09836
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