Qiong Huang, Guomin Yang, Duncan S. Wong, Willy Susilo. Efficient Optimistic Fair Exchange Secure in the Multi-user Setting and Chosen-Key Model without Random Oracles. In Tal Malkin, editor, Topics in Cryptology - CT-RSA 2008, The Cryptographers Track at the RSA Conference 2008, San Francisco, CA, USA, April 8-11, 2008. Proceedings. Volume 4964 of Lecture Notes in Computer Science, pages 106-120, Springer, 2008. [doi]
Abstract is missing.