CONTENT SERVER DEVICE, CONTENT DISTRIBUTION METHOD

专利名称：CONTENT SERVER DEVICE, CONTENT

DISTRIBUTION METHOD, AND CONTENTDISTRIBUTION PROGRAM

发明人：OHBITSU, TOSHIRO申请号：EP09840793申请日：20090227公开号：EP2402881A4公开日：20150225

摘要：A content server device includes a request section for requesting a key serverto transmit key data for decrypting encrypted content data to a client side in responseto the content distribution request from the client side and a control unit which prohibitsthe transmission of the encrypted content data in response to the content distributionrequest if the reception number of notification received from the client side andindicating the reception of the key data from the key server is not less than the

transmission number of key data to the client side by the key server and which transmitsthe encrypted content data in response to the content distribution request if the numberof reception is not more than the number of transmission.

申请人：FUJITSU LIMITED

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