发明授权
US07627905B2 Content transfer system, content transfer method, content transmitting apparatus, content transmission method, content receiving apparatus, content reception method, and computer program
失效
内容传送系统，内容传送方法，内容发送装置，内容发送方法，内容接收装置，内容接收方法以及计算机程序
- 专利标题： Content transfer system, content transfer method, content transmitting apparatus, content transmission method, content receiving apparatus, content reception method, and computer program
- 专利标题（中）： 内容传送系统，内容传送方法，内容发送装置，内容发送方法，内容接收装置，内容接收方法以及计算机程序
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申请号： US11092897申请日： 2005-03-30
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公开(公告)号： US07627905B2公开(公告)日： 2009-12-01
- 发明人: Takao Morita , Yukihiko Aoki , Shinichi Kawano
- 申请人： Takao Morita , Yukihiko Aoki , Shinichi Kawano
- 申请人地址： JP Tokyo
- 专利权人： Sony Corporation
- 当前专利权人： Sony Corporation
- 当前专利权人地址： JP Tokyo
- 代理机构： Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
- 优先权： JP2004-113459 20040407
- 主分类号： G06F7/04
- IPC分类号： G06F7/04
摘要：
The present invention provides a content transfer system for transferring content from a content transmitting apparatus to a content receiving apparatus through a network in consideration of content protection. The system comprises an authentication process executing means which executes an authentication process between the content transmitting apparatus and the content receiving apparatus to share authentication information therebetween, and a content transfer process executing means which encrypts content to be transferred in response to a content request from the content receiving apparatus to transfer the encrypted content from the content transmitting apparatus to the content receiving apparatus. A transfer process of the encrypted content is started on confirmation that the content request contains a keyword indicating that the content receiving apparatus has been authenticated. The keyword is of a check level that the content transmitting apparatus supports among keywords in a plurality of check levels representing accuracy of authentication check.
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