计算机应用

• 信息安全 • 上一篇    下一篇

基于图形同构理论的安全补丁比较技术研究

徐良华 孙玉龙 高丰 朱鲁华   

  1. 江南计算技术研究所
  • 收稿日期:2006-01-17 修回日期:1900-01-01 发布日期:2006-07-01 出版日期:2006-07-01
  • 通讯作者: 徐良华

Security patch comparison techniques based on graph isomorphism theory

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  • Received:2006-01-17 Revised:1900-01-01 Online:2006-07-01 Published:2006-07-01
  • Contact: LiangHua Xu

摘要: 安全补丁比较技术能够有效地揭示同一程序两个相邻版本之间的差异。首先介绍了基于图形同构理论的指令级图形化安全补丁比较算法和控制流级结构化安全补丁比较算法;然后对这两种安全补丁比较方法进行了对比分析;最后介绍了控制流级结构化安全补丁比较原型系统的实现技术,并给出了使用三个Windows系统补丁对原型系统进行测试的结果。

关键词: 同构, 安全补丁, 比较, 安全漏洞

Abstract: The security patch comparison technology can effectively disclose the differences between two neighboring versions of the same source code file. First, the graphic instruction level and structural control flow level security patch comparison algorithms based on graph isomorphism theory were introduced; Then, the two security patch comparison methods were contrasted and analyzed; Finally, the technique of how to implement structural security patch comparison prototype system was presented, and the test results of prototype by using three Windows patches were given.

Key words: isomorphism, security patch, comparison, vulnerability