CONDITIONAL RECEPTION SYSTEM, CONDITIONAL RECEPTION METHOD, AND CONDITIONAL RECEPTION PROGRAM

摘要

PROBLEM TO BE SOLVED: To enable a content be viewed simultaneously in all content reception devices that can be operated by a mobile terminal, in a conditional reception procedure.;SOLUTION: A conditional reception system 1 comprises: a content transmission device 10 transmitting a work key encrypted by a master key to a mobile terminal 20, while multiplexing a content encrypted by a scramble key and shared information encrypted by the work key and transmitting them to each of one or more content reception devices; the mobile terminal 20 decrypting the received encrypted work key by the preset master key, decrypting the received scramble key by the work key, and transmitting the scramble key to each of the one or more content reception devices 30; and the content reception devices 30 transmitting the encrypted scramble key to the mobile terminal 20, and decrypting the received encrypted content by the received scramble key.;COPYRIGHT: (C)2012,JPO&INPIT