An efficient signcryption scheme with key privacy and its extension to ring signcryption

Chung Ki Li, Guomin Yang, Duncan S. Wong, Xiaotie Deng, Sherman S. M. Chow. An efficient signcryption scheme with key privacy and its extension to ring signcryption. Journal of Computer Security, 18(3):451-473, 2010. [doi]

Abstract

Abstract is missing.