| 摘要 |
PROBLEM TO BE SOLVED: To flexibly execute an application program by dynamically setting a secure level. SOLUTION: A secure level module 71 is applicable, for example, to an OS executed on a computer, determines whether the application program is a trusted application program 42 with a legitimate electronic signature, and when determining that the application program is a trusted application program 42, recognizes a secure level which the trusted application program 42 requests. Then, the secure level module 71 sets the highest secure level among the secure levels of the application programs being executed and to be executed subsequently as a secure level of the computer. COPYRIGHT: (C)2005,JPO&NCIPI |
