SELF-REWRITING PROCESS ADDITION PROGRAM, SELF-REWRITING PROCESS ADDITION DEVICE AND SELF-REWRITING PROCESS ADDITION METHOD

摘要

PROBLEM TO BE SOLVED: To provide a self-rewriting program hardly analyzing and fraudulently altering a protection object program.;SOLUTION: The self-rewriting program is generated by generating a routine X for camouflaging a plurality of instruction codes configuring an assembly program with a false instruction code Y and returning the false instruction code Y into a correct instruction code y, and a routine Z for camouflaging the correct instruction code y returned by the routine X with the false instruction code Y again, and then writing the generated routines X and Z at a prescribed positions on an assembly program.;COPYRIGHT: (C)2004,JPO&NCIPI