Telecommunications Science ›› 2010, Vol. 26 ›› Issue (7): 94-98.doi: 10.3969/j.issn.1000-0801.2010.7.025

• Topics:IPv6 technology and Applications • Previous Articles     Next Articles

Research and Advance of Verifiably Encrypted Signature Schemes

Hongbo Guan,Xiangjun Xin,Xueshao Qiu   

  1. Department of Information and Computing Science,Zhengzhou University of Light Industry,Zhengzhou 450002,China
  • Online:2010-07-15 Published:2017-06-20

Abstract:

The verifiably encrypted signature schemes can be used to construct optimistic fair exchange protocols. By analyzing the research advance of verifiably encrypted signature schemes, some problems such as the combination of efficiency with security and the privacy protection in the research of verifiably encrypted signature scheme are pointed out. By demonstrating a forgery attack to Li et al.'s verifiably encrypted signature scheme, it is found that a verifiably encrypted signature scheme should has the propriety of strong unforgerity. At last, some problems have to be solved in the research of verifiably encrypted signature schemes and the research in the future are discussed.

Key words: digital signature, verifiably encrypted signature, strong unforgerity, privacy protection

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