A new method for the design of stateless transitive signature schemes

Authors:
Chunguang Ma;Peng Wu;Guochang Gu
Affiliations:
Information Security Research Center, Harbin Engineering University, Harbin, China;College of Computer Science and Technology, Harbin Engineering University, Harbin, China;College of Computer Science and Technology, Harbin Engineering University, Harbin, China
Venue:
APWeb'06 Proceedings of the 2006 international conference on Advanced Web and Network Technologies, and Applications
Year:
2006

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Abstract

Transitive signature is a new and useful cryptology tool for information security, Internet security, and e-commercial security. Most of the current transitive signature schemes are stateful, which increases the store cost and impacts the computing efficiency of signing algorithm. In this paper, a new practical method is introduced to transform the state transitive signature schemes to the stateless ones without loss their security. According to the proposed method, three concrete stateless transitive signature schemes based on Factoring and RSA are presented respectively. Under the moderate assumption, two schemes are secure against the adaptive chosen-message attacks in random oracle model.