| 摘要 |
The present invention aims at granting easy and prompt start of wireless communications in which security is ensured without incurring addition of hardware. If a connection button provided on a surface of a PDA 1 is operated, a connection request is broadcast from the PDA 1. If the PDA 1 and a portable phone 2 are in proximity to each other, and a reception intensity of the connection request from the PDA 1 is equal to or higher than a threshold value, a request of the PDA 1 is granted by the portable phone 2. Then, an encryption key is newly generated by the portable phone 2, and is transmitted to the PDA 1 together with a communication parameter. An encryption key and the communication parameter transmitted from the portable phone 2 are acquired. Encrypted communications using the encryption key generated by the portable phone 2 are established with the portable phones 2 based on the communication parameter. The present invention is applicable to information processing apparatuses, such as the PDA and the portable phone or a notebook personal computer.
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