摘要 |
PROBLEM TO BE SOLVED: To provide an electronic seal system for preventing an electronic seal from being left as it is while being connected to a computer. SOLUTION: The electronic seal system is constituted by using the electronic seal 10 provided with a receiving part 30 for receiving an electromagnetic wave, a transmitting part 31 for transmitting the electromagnetic wave, a storage part 28 for storing a secret key, and a processing circuit 29 for controlling the receiving part 30 and the transmitting part 31, and processing data by using the secret key of the storage part 28, and an electronic seal mat 9 provided with an interface circuit 12 for connecting the transmitting part 15 for transmitting the electromagnetic wave, the receiving part 16 for receiving the electromagnetic wave, and an external apparatus, a transmitting buffer 13 for temporarily holding the transmitting data, and a transmission-reception control circuit 14 for controlling the transmitting part 15 and the receiving part 16, and gives and receives the processing data between the electronic seal 10 and the electronic seal mat 9 by using the secret key without conductively contacting with each other. |