Shujun Li Chengqing Li Guanrong Chen Kwok-Tung Lo Cryptanalysis of the RCES/RSES image encryption scheme. 1130-1143 2008 81 Journal of Systems and Software 7 http://dx.doi.org/10.1016/j.jss.2007.07.037 db/journals/jss/jss81.html#LiLCL08