| 摘要 |
<P>PROBLEM TO BE SOLVED: To check an execution order of commands for every logical channel, and to prevent processes from being executed in a wrong order while permitting an access at an arbitrary timing by each logical channel. <P>SOLUTION: In an IC card 1 for maintaining a current state or a security state for every logical channel, an instruction code of a command which is terminated normally and a result of execution are stored in a history management table 12b as history information for every logical channel, then checking whether received commands are executed in a predetermined execution order or not the logical channel based on the history information for every logical channel which is designated by the commands when the commands which are given from an IC card processing device 2 is executed. <P>COPYRIGHT: (C)2009,JPO&INPIT |
