Threshold proxy quantum signature scheme with threshold shared verification |
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Authors: | YuGuang Yang and QiaoYan Wen |
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Institution: | (1) College of Computer Science and Technology, Beijing University of Technology, Beijing, 100124, China;(2) State Key Laboratory of Networking and Switching Technology, Beijing University of Posts and Telecommunications, Beijing, 100876, China;(3) State Key Laboratory of Integrated Services Network, Xidian University, Xi’an, 710071, China;(4) State Key Laboratory of Information Security (Graduate University of Chinese Academy of Sciences), Beijing, 100049, China |
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Abstract: | A threshold proxy quantum signature scheme with threshold shared verification is proposed. An original signer could authorize
a group as its proxy signers. Then only t or more of n persons in the proxy group can generate the proxy signature on behalf of the original signer and any t − 1 or fewer ones cannot do that. When the proxy signature needs to be verified, any t or more of n persons belonging to the verification group can verify the message and any t − 1 or fewer ones cannot verify the validity of the proxy signature.
Supported by the National Basic Research Program of China (973 Program)(Grant No. 2007CB311100), the National High-Technology
Research and Development Program of China (Grant Nos. 2006AA01Z419 and 20060101Z4015), the Major Research Plan of the National
Natural Science Foundation of China (Grant No. 90604023), the Scientific Research Common Program of Beijing Municipal Commission
of Education (Grant No. KM200810005004), the Scientific Research Foundation for the Youth of Beijing University of Technology
(Grant No. 97007016200701), the Doctoral Scientific Research Activation Foundation of Beijing University of Technology (Grant
No. 52007016200702), and the National Laboratory for Modern Communications Science Foundation of China (Grant No. 9140C1101010601) |
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Keywords: | quantum signature threshold proxy quantum group signature threshold shared verification |
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