A New ID-Based Deniable Authentication Protocol

Authors:
Rongxing Lu;Zhenfu Cao;Shengbao Wang;Haiyong Bao
Affiliations:
Department of Computer Science and Engineering, Shanghai Jiao Tong University, No. 800 Dongchuan Road, Shanghai, P. R. of China, 200240, e-mail: rxlu.cn@gmail.com/ {cao-zf, shengbao-wang, bhy}@cs. ...;Department of Computer Science and Engineering, Shanghai Jiao Tong University, No. 800 Dongchuan Road, Shanghai, P. R. of China, 200240, e-mail: rxlu.cn@gmail.com/ {cao-zf, shengbao-wang, bhy}@cs. ...;Department of Computer Science and Engineering, Shanghai Jiao Tong University, No. 800 Dongchuan Road, Shanghai, P. R. of China, 200240, e-mail: rxlu.cn@gmail.com/ {cao-zf, shengbao-wang, bhy}@cs. ...;Department of Computer Science and Engineering, Shanghai Jiao Tong University, No. 800 Dongchuan Road, Shanghai, P. R. of China, 200240, e-mail: rxlu.cn@gmail.com/ {cao-zf, shengbao-wang, bhy}@cs. ...
Venue:
Informatica
Year:
2007

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Abstract

Deniable authenticated protocol is a new cryptographic authentication protocol that enables a designated receiver to identify the source of a given message without being able to prove the identity of the sender to a third party. Therefore, it can be applied to some particular situations in electronic commerce. In this paper, we formally define the security model for the non-interactive ID-based deniable authentication protocol and present a new efficient ID-based deniable authentication protocol based on RSA assumption. What's more, we also use the techniques from provable security to analyze the security of our proposed protocol.