BRIEF DESCRIPTION OF THE DRAWINGS
FIG. 1 is a schematic for explaining a general concept according to a first embodiment of the present invention;
FIG. 2 is a schematic for explaining a general concept of the first embodiment;
FIG. 3 is a schematic for explaining a general concept according to a second embodiment of the present invention;
FIG. 4 is a schematic for explaining a general concept of the second embodiment;
FIG. 5 is a block diagram of an image reading apparatus according to the present invention;
FIG. 6 is a block diagram of a TPM chip according to the present invention;
FIG. 7 is a block diagram of a server and a time server according to the present invention;
FIG. 8 is a flowchart of a processing procedure for an operation according to the first embodiment;
FIG. 9 is a flowchart of a processing procedure for an operation according to the first embodiment;
FIG. 10 is a flowchart of a processing procedure for an operation performed by the image reading apparatus shown in FIG. 5;
FIG. 11 is a flowchart of a processing procedure for an operation according to the second embodiment; and
FIG. 12 is a flowchart of a processing procedure for an operation according to the second embodiment.