| 摘要 |
PROBLEM TO BE SOLVED: To provide a radio communication device capable of ensuring security and secrecy of a communication system. SOLUTION: This radio communication device 1 is provided with a host identification data storage area 8, and the host identification information of a host 7 having the right of using communication authentication information stored in a communication authentication information storage area in the radio communication device is stored in the host identification data storage area 8. When the radio communication device 1 is removed from the host 7 and then connected again to the host 7, a host identification is carried out on the basis of the stored host identification information. When the connected host 7 is identified as the valid host 7 having the using right is judged, a user authentication with a remote is performed. When the host identification is not performed, the stored communication authentication information is deleted so that the user authentication with the remote is not performed. COPYRIGHT: (C)2003,JPO |
