(1) National Engineering Research Center for Fundamental Software, Institute of Software, Chinese Academy of Sciences, Beijing 100080, China; (2) Engineering Research Center for Information Security Technology, Institute of Software, Chinese Academy of Sciences, Beijing 100080, China; (3) Graduate School, Chinese Academy of Sciences, Beijing 100039, China; (4) National Key Laboratory of Integrated Information System Technology, Chinese Academy of Sciences, Beijing 100080, China
Liu Dong-Mei,Qing Si-Han,Li Peng-Fei,et al. analysis and improvement of zg off-line ttp non-repudiation protocol[J]. Tongxin Xuebao/Journal on Communications,2009-01-01,30(0.4583333333333333):44-51.