Abstract
In this paper, we propose two group-oriented ) , ( n t threshold digital signature schemes with traceable signers. One needs the assistance of a mutually trusted center, the other does not need the assistance of a mutually trusted center. We also discuss the security and the feature of both schemes and show that the new schemes can withstand conspiracy attacks without attaching a secret number and can avoid to the forgery attacks. In addition, we show that, by the new schemes, any outsider can trace back to find who the signers are.
Supported by National 973 Project(No:G1998030420)
Supported by the Fund of Henan Province Nature Science(No:004070400)
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Li, ZC., Dai, YQ., Zhang, JM., Luo, J., Song, W. (2001). Group-Oriented (t, n) Threshold Digital Signature Schemes with Traceable Signers. In: Kou, W., Yesha, Y., Tan, C.J. (eds) Electronic Commerce Technologies. ISEC 2001. Lecture Notes in Computer Science, vol 2040. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-45415-2_5
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DOI: https://doi.org/10.1007/3-540-45415-2_5
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