This work is supported by National Natural Science Foundation of China (61572521, 61272492), Natural Science Basic Research Plan in Shaanxi Province of China (2015JM6353) and Foundation Funding Research Project of Engineering University of Chinese Armed Police Force (WJY201523).
In the driven of big data, social computing and information security is undergoing rapid development and beginning to cross. This paper describes a key-policy attribute-based signcryption scheme which has less computa...