| 摘要 |
PROBLEM TO BE SOLVED: To provide a portable storage medium, in which data are written in response to a plurality of commands, being capable of confirming whether or not data have been normally written concerning a plurality of command processing as a whole.SOLUTION: A portable recording medium includes: means for, when receiving a telegraphic message to be supplied from a terminal, performing processing based on the telegraphic message to a storage area of the portable recording medium, and for generating and storing a medium side check code on the basis of a telegraphic message received first or a latest medium side check code stored in the portable recording medium; and means for, as for a check code to be generated by using a telegraphic message to be finally supplied from the terminal, collating the terminal side check code with the medium side check code, and for, when the collation is not successful, performing error processing or means for receiving the collation result. |
