Privacy-Preserving Decision Protocols Based on Quantum Oblivious Key Distribution
Privacy-Preserving Decision Protocols Based on Quantum Oblivious Key Distribution
复制标题
基于量子不经意密钥分配的隐私保护决策协议
DOI:
10.32604/cmc.2020.09836
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发表时间:
2020
期刊:
影响因子:
--
通讯作者:
Wang Yukun
中科院分区:
文献类型:
--
作者:
Zhang Kejia;Ma Chunguang;Sun Zhiwei;Zhang Xue;Zhou Baomin;Wang Yukun
: 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.
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DOI:
10.1117/12.483026
发表时间:
2002-09
期刊:
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影响因子:
--
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