| 摘要 |
<P>PROBLEM TO BE SOLVED: To prevent useless execution of determination of whether or not to execute information leakage prevention processing which is processing for preventing the leakage of information regarding the execution of second processing in a processor, when the second processing is shared and executed in the plurality of processors for the execution of the second processing comprising two or more pieces of first processing. <P>SOLUTION: An image processor which receives an instruction from an image processor which has executed the processing in advance determines if there is the processing to be executed in the present processor among the ones stipulated in the "security element" of the instruction excluding the one already executed in the image processor 2 which has executed the processing in advance from the description of a "history record area" (step S2), and whether or not the one to be executed is executed in the present processor (step S3). <P>COPYRIGHT: (C)2010,JPO&INPIT |
