基于PKI的网络考试安全机制研究及实现
——全国大学生数学建模竞赛考试系统的研究与实现
王尚平,谢小琢,张亚玲,牛鹏超
Research and realization of secure system of Internet exam in modeling based on PKI——research and realization of the system of China undergraduate mathematical contest
WANG Shang-ping,XIE Xiao-zhuo,ZHANG Ya-ling,NIU Peng-chao
计算机工程与应用 . 2008, (24): 208 -211 .  DOI: 10.3778/j.issn.1002-8331.2008.24.063