| 摘要 |
A communication apparatus including a first communication section for transmitting and receiving a radio signal; a second communication section for transmitting and receiving a signal according to a transmission method different from the first communication section; a key information holding section for holding encryption key information; a key information transmission control section for transmitting the encryption key information held in the key information holding section to another communication apparatus by the second communication section; and a communication control section for encrypting information on a basis of the encryption key information held in the key information holding section and for transmitting the information by the first communication section. In case of transmitting and receiving data according to radio communication among a plurality of electronic devices, security reliability can be improved without damaging convenience of radio communication. <IMAGE> |
