A File Security Mechanism in Intranet Based on File Lineage and Affinity Degree of Roles
文件血统与角色亲和度的网络文件安全机制

This paper analyses the ultimate reason of files blabbing in the Intranet,which deal with the relationship between files and neglect the connection between users. It describes the relationship between files by file lineage,and measures the connection between users by affinity degree of roles,and divides the confidentiality of files by security degree.This paper puts forward a method of authorization checkup through two layers (corporation level and department level),which is used to implement the files authorization and auditing safely in the Intranet.