| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide an OS changeover apparatus and an OS changeover method capable of preventing secret information from being read from one OS to another OS, or being fraudulently altered in a multi-OS environment. <P>SOLUTION: The OS changeover apparatus is provided with: a plurality of OSes 200, 300 including stop parts 201, 301 for stopping respective OSes 200, 300 and start parts 202, 302 for restarting the execution of respective OSes 200, 300; and an OS changeover part 100 for changing and operating the plurality of OSes 200, 300. The OS changeover part 100 is provided with: an exception processing part 210 for executing exception processing; a secret generation part 212 for generating secret to be used for the achievement of a security function; and a secret operation part 211 packaged in the exception processing part 210 and capable of executing the operation of the secret. <P>COPYRIGHT: (C)2008,JPO&INPIT</p> |
