An information processing apparatus has an authentication & key exchange unit, a contents receiver, a contents decryption unit and a contents confirmation request unit. The authentication & key exchange unit performs authentication & key exchange processing by using a given protocol with the communication...http://www.google.fr/patents/US7757087?utm_source=gb-gplus-shareBrevet US7757087 - Information processing apparatus and information processing method
Information processing apparatus and information processing method
