Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
Information processing apparatus and method, recording medium and program
An electronic device that shares a secret key between the electronic device and another electronic device; receives a first response request transmitted from the another electronic device; generates a first response message based on the first response request; receives a second response request transmitted from the another electronic device after the another electronic device receives the first response message; and generates a second response message based on the second response request, the second response message transmitted to the another electronic device. The electronic device is authorized to receive data from the another electronic when authentication is performed between the electronic device and the another electronic device, and a predetermined time elapsed from a transmission of the second response request does not expire before the second response message is received by the another electronic device.
Sony Corporation
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Hisato Takehiko
Shima Nakano