发明名称 Information processing apparatus, content providing system, information processing method, and computer program
摘要 Disclosed herein is an information processing apparatus that serves as a server that performs data transmission in response to receipt of media information from a user device. The information processing apparatus includes: an encrypted transmission data storage database that stores a transmission data identifier and encrypted transmission data such that the transmission data identifier and the encrypted transmission data are associated with each other; and a control section configured to acquire, from a key management server, an encrypted unit key obtained by encrypting a unit key that is used to encrypt the transmission data, and transmit the acquired encrypted unit key and the encrypted transmission data to the user device.
申请公布号 US8693693(B2) 申请公布日期 2014.04.08
申请号 US20080135503 申请日期 2008.06.09
申请人 INOKUCHI TATSUYA;OHGAMI TAKAHISA;TAKAHASHI KAZUYOSHI;SONY CORPORATION 发明人 INOKUCHI TATSUYA;OHGAMI TAKAHISA;TAKAHASHI KAZUYOSHI
分类号 G06F21/00 主分类号 G06F21/00
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