SYSTEM, METHOD AND PROGRAM FOR FORBIDDING UNAUTHORIZED ACCESS TO PROTECTIVE MEMORY AREA

摘要

PROBLEM TO BE SOLVED: To provide a system, a method and a computer program for forbidding unauthorized access to a protective memory area. SOLUTION: Both the protective memory area and a reliable memory area are designated. A call for accessing a certain location in the protective memory area is received. Next, the transmission position of the call is determined. By responding to the determination that the transmission position is in a reliable area, the call is permitted to access the protective memory area. By responding to the determination that the transmission position is outside the reliable area, the call is forbidden to access the protective memory area. COPYRIGHT: (C)2004,JPO