| 摘要 |
PROBLEM TO BE SOLVED: To provide a radio communication method and a radio communication device which can enhance confidentiality without increasing packet data or a radio band.SOLUTION: A radio communication method comprises the steps in which: either a transmission side first device or a reception side second device transmits a key exchange request signal to the other device at predetermined time intervals; the first device sets a first public value and transmits it to the second device and the second device sets a second public value and transmits it to the first device when the key exchange request signal is transmitted and received; and the first device generates a first common encryption key for transmission by using the second public value received from the second device, and the second device generates a first common encryption key for reception by using the first public value received from the first device. |
