| 摘要 |
<P>PROBLEM TO BE SOLVED: To realize an access control of minute OS level, to ensure operability by automatic generation of security policy and to ensure the convenience for users by integration of shared resources using a virtual directory. <P>SOLUTION: In a file sharing process, a different identifier is assigned to a process that is an object in user units on a secure OS, and an identifier is assigned to a resource that is a subject in user units, sharing group unit and permission units to be permitted to perform an access control. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
