【摘要】 对电子公文收发系统的抵御攻击能力着手研究,分析并使用智能卡加强电子公文的安全管理。首先介绍了Hwang-Li方案抵御攻击的原理,分析其安全性的不足,并提出改进的方案,验证了抵御几种攻击的有效性。最后,在我校的公文收发系统中进行实践性检验。更多还原

【Abstract】 For sending and receiving electronic document System,the capablitity to resist attack is researched.The smart card is used to strengthen the safety management about electronic document.First,the principle about Hwang-L scheme to resist attack is introduced in this paper.The shortcomings of security system is analyzed,and improved scheme is brought out.The improved scheme is enumerated to many kinds forms about attack to be analyzed.Finally,the inspection was carried out in sending and receiving electronic document System in our college.更多还原