| 摘要 |
PURPOSE:To improve the security capacity of a computer by setting an area with the information to need the secrecy to a protecting space and stopping the referring of memory contents. CONSTITUTION:A protecting space setting part 10 receives the memory area designation of the protecting space by a control statement 11 and prepares memory information 18 to set the control information to show the protecting space to memory freezer information 8. A referring output part 16 outputs the memory contents of the designated memory area from the memory information 18, supervises the control information of the protecting space and prohibits the output of the memory contents of the part set to the protecting space. Thus, for the user of the memory freezer information, the referring of the memory contents of the memory area designated to the protecting space is stopped and the leakage of the information to be protected can be prevented.
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