Cryptanalysis of dynamic quantum secret sharing

Authors:
Tian-Yin Wang;Yan-Ping Li
Affiliations:
State Key Laboratory of Information Security, Graduate University of Chinese Academy of Sciences, Beijing, China 100049 and Key Laboratory of Symbolic Computation and Knowledge Engineering of Mini ...;College of Mathematics and Information Science, Shaanxi Normal University, Shaanxi, China 710062
Venue:
Quantum Information Processing
Year:
2013

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Abstract

We analyze the security of a dynamic quantum secret sharing scheme. The analysis shows that the first agent and the last one can gain access to the dealer's master key without the others' cooperation by a special participant attack in this scheme.