To provide an information processing system wherein copyright protection of a program is made to be robust.
This information processing system has a first information processor 11 and a second information processor 12. The first information processor 11 has an execution part 1106 reading a first program, and executing at least the first program to acquire a prescribed result. The execution part 1106 has: a subprogram reception means 11063 receiving a subprogram that is a program capable of obtaining the prescribed execution result together with the first program from the second information processor 12; and an execution means 11065 incorporating the subprogram into the first program to perform the execution. The second information processor 12 has: a subprogram acquisition part 1207 acquiring the subprogram; and a subprogram transmission part 1208 transmitting the subprogram acquired by the subprogram acquisition part 1207 to the first information processor 11.
COPYRIGHT: (C)2007,JPO&INPIT
YAMAMOTO SHUHEI
KOIDE KEIICHI
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