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    • 7. 发明授权
    • Content sharing system and method
    • 内容共享系统和方法
    • US07630940B2
    • 2009-12-08
    • US11606807
    • 2006-11-30
    • Keiko WatanabeJun SatoToru Terauchi
    • Keiko WatanabeJun SatoToru Terauchi
    • H04L9/00
    • G06F21/10
    • According to an aspect of the invention, there is provided a content sharing system including: a first device configured to acquire a right object; a second device configured to acquire a content of the right object from the first device; a session key generation unit provided in the first device and the second device and configured to generate a session key based on mutual authentication; a temporary right object generation unit provided in the first device and configured to generate a temporary right object from the right object by using the session key to supply the generated temporary right to the second device; and a content play unit provided in the second device and configured to receive the temporary right object to play the content of the right object acquired from the first device by using the temporary right object.
    • 根据本发明的一个方面,提供了一种内容共享系统,包括:第一设备,被配置为获取正确的对象; 配置为从所述第一设备获取所述正确对象的内容的第二设备; 设置在所述第一设备和所述第二设备中并且被配置为基于相互认证生成会话密钥的会话密钥生成单元; 临时右对象生成单元,其设置在第一设备中,并且被配置为通过使用会话密钥向所述第二设备提供所生成的临时权限,从右对象生成临时右对象; 以及内容播放单元,其设置在所述第二设备中,并且被配置为通过使用所述临时权利对象来接收临时权利对象来播放从第一设备获取的正确对象的内容。
    • 8. 发明授权
    • System for downloading contents, and client terminal for downloading contents from contents server
    • 用于下载内容的系统,以及从内容服务器下载内容的客户终端
    • US07401065B2
    • 2008-07-15
    • US11197182
    • 2005-08-04
    • Keiko WatanabeJun SatoToru Terauchi
    • Keiko WatanabeJun SatoToru Terauchi
    • G06F17/30G06F15/16
    • H04L67/34H04L29/06027H04L67/04H04L67/42Y10S707/99931
    • A download control program of a client terminal transmits a request to a download server, which stores Download Descriptors that include attribution information of contents, for a Download Descriptor, and receives the Download Descriptor from the download server. The download server, before transmitting the Download Descriptor to the client terminal, adds information indicating that there is a difference between a Download Descriptor contained in the request from the client terminal and the Download Descriptor stored in data memory of the download server if the download server detects the difference between them. The client terminal transmits a content download request to a contents server based on the received Download Descriptor.
    • 客户机终端的下载控制程序将下载服务器的请求发送到下载服务器,下载服务器存储下载描述符,其中下载描述符包含下载描述符的内容的归属信息,并从下载服务器接收下载描述符。 下载服务器在将下载描述符发送到客户机终端之前,如果下载服务器在下载服务器的数据存储器中存储有表示存在来自客户终端的请求中包含的下载描述符和下载服务器的数据存储器中的下载描述符之间的差异的信息 检测它们之间的差异。 客户终端基于接收到的下载描述符向内容服务器发送内容下载请求。
    • 9. 发明申请
    • Portable terminal connectable to a content server
    • 便携式终端可连接到内容服务器
    • US20060236405A1
    • 2006-10-19
    • US11400298
    • 2006-04-07
    • Toru TerauchiJun SatoKeiko Watanabe
    • Toru TerauchiJun SatoKeiko Watanabe
    • H04L9/32
    • H04L63/06H04L9/0866H04L63/0428H04L2209/60H04L2463/062
    • A portable terminal MA downloads a content from a content server and stores the content in a HDD of the portable terminal after encrypting the content key with a terminal bind information which is inherent to the portable terminal. After that, when the portable terminal backs up the downloaded content to a personal computer, the portable terminal decrypts the content key with the terminal bind information and encrypts the content with a telephone number information. On the contrary, when the portable terminal restores the backed up content from the personal computer, the portable terminal decrypts the encrypted content key with telephone number bind information and encrypts the content with the terminal bind or new terminal information.
    • 便携式终端MA从内容服务器下载内容,并且利用便携式终端固有的终端绑定信息对内容密钥加密之后,将内容存储在便携式终端的HDD中。 之后,当便携式终端将下载的内容备份到个人计算机时,便携式终端利用终端绑定信息来解密内容密钥,并利用电话号码信息加密该内容。 相反,当便携式终端从个人计算机恢复备份的内容时,便携式终端用电话号码绑定信息解密加密的内容密钥,并利用终端绑定或新的终端信息加密内容。