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題名: Solving the Invalid Signer-verified Signature Problem and Comments on Xia-You Group Signature
作者: Chien, Hung-Yu;Jan, Jinn-Ke;Tseng, Yuh-Min
貢獻者: 數學系
日期: 2004-11
上傳時間: 2012-07-03T03:44:27Z
出版者: Elsevier
摘要: In general, a signature that has been verified by the signers should be valid when the verifiers verify it later. However, a signer-verified signature would become invalid in Wang et al.'s generalized threshold signature and authenticated encryption scheme and Hsu et al.'s revisions. This problem has not been reported before, and it is called the invalid signer-verified signature problem. This paper discusses the problem and proposes the solution. By the way, we also point out the forgery attack on Xia–You recently published group signature scheme.
關聯: Journal of Systems and Software, 73(3): 369-373
顯示於類別:[數學系] 期刊論文

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