中国物理B ›› 2008, Vol. 17 ›› Issue (2): 415-418.doi: 10.1088/1674-1056/17/2/011

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Multi-proxy quantum group signature scheme with threshold shared verification

杨宇光   

  1. College of Computer Science and Technology, Beijing University of Technology, Beijing 100022, China;State Key Laboratory of Information Security, Graduate School of Chinese Academy of Sciences, Beijing 100049, China
  • 收稿日期:2007-01-17 修回日期:2007-03-13 出版日期:2008-02-20 发布日期:2008-02-20

Multi-proxy quantum group signature scheme with threshold shared verification

Yang Yu-Guang(杨宇光)a)b)   

  1. a College of Computer Science and Technology, Beijing University of Technology, Beijing 100022, China; b State Key Laboratory of Information Security, Graduate School of Chinese Academy of Sciences, Beijing 100049, China
  • Received:2007-01-17 Revised:2007-03-13 Online:2008-02-20 Published:2008-02-20

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摘要： A multi-proxy quantum group signature scheme with threshold shared verification is proposed. An original signer may authorize a proxy group as his proxy agent. Then only the cooperation of all the signers in the proxy group can generate the proxy signature on behalf of the original signer. In the scheme, any $t$ or more of $n$ receivers can verify the message and any $t-1$ or fewer receivers cannot verify the validity of the proxy signature.

关键词: quantum signature, multi-proxy quantum group signature, threshold shared verification

Abstract: A multi-proxy quantum group signature scheme with threshold shared verification is proposed. An original signer may authorize a proxy group as his proxy agent. Then only the cooperation of all the signers in the proxy group can generate the proxy signature on behalf of the original signer. In the scheme, any $t$ or more of $n$ receivers can verify the message and any $t-1$ or fewer receivers cannot verify the validity of the proxy signature.

Key words: quantum signature, multi-proxy quantum group signature, threshold shared verification

中图分类号:  (Quantum cryptography and communication security)

  • 03.67.Dd
02.20.Uw (Quantum groups)