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    • 81. 发明申请
    • Information processor, information processing method, and computer program
    • 信息处理器,信息处理方法和计算机程序
    • US20060227975A1
    • 2006-10-12
    • US11397809
    • 2006-04-05
    • Kenjiro UedaTateo OishiKatsumi MuramatsuYoshikazu Takashima
    • Kenjiro UedaTateo OishiKatsumi MuramatsuYoshikazu Takashima
    • H04L9/00
    • G11B20/0021G06F21/10G06F2221/2145G11B20/00086G11B20/00246G11B20/00362G11B20/00528G11B20/00869
    • An information processor includes a data processing section that executes a processing of storing subsequently generated data, which is subsequently generated or acquired using information read from an information recording medium, onto a storage unit. The data processing section is configured to execute a processing of storing onto the storage unit encrypted subsequently generated data as encrypted data that is encrypted with a unit key as an encryption key corresponding to a content management unit to which the subsequently generated data belongs, and execute a processing of acquiring an encrypted bind unit key and storing the encrypted bind unit key onto the storage unit, the encrypted bind unit key being encrypted data of a bind unit key including as its constituent data the unit key and one of key information acquired from the information processor and identification information acquired from the information recording medium.
    • 信息处理器包括一个数据处理部分,该数据处理部分执行使用从信息记录介质读取的信息随后产生或获取的随后生成的数据的存储到存储单元上的处理。 所述数据处理部被配置为执行将所述加密后的生成数据作为加密数据进行存储的处理,所述加密数据以单位密钥加密为对应于随后生成的数据所属的内容管理部的加密密钥,并执行 获取加密的绑定单元密钥并将加密的绑定单元密钥存储在存储单元上的处理,加密的绑定单元密钥是作为其组成数据的绑定单元密钥的加密数据,包括单元密钥和从该单元密钥获取的密钥信息之一 信息处理器和从信息记录介质获取的识别信息。
    • 88. 发明授权
    • Information processing device, data processing method, and program
    • 信息处理装置,数据处理方法和程序
    • US08549620B2
    • 2013-10-01
    • US12543698
    • 2009-08-19
    • Kenjiro UedaTateo Oishi
    • Kenjiro UedaTateo Oishi
    • G06F21/00
    • G11B20/00086G06F21/10G06F2221/0704
    • An information processing device includes: a local memory unit for storing data including an encrypted content; a memory for storing data including key information used to reproduce the encrypted content; and a data processing unit performing a process of writing data to the local memory unit and the memory, and a process of reproducing the encrypted content, wherein the data processing unit performs a process of writing encrypted content downloaded from a server or encrypted content copied from a medium to the local memory unit, and performs a process of decoding the encrypted content or a validity authenticating process using the data stored in the local memory unit and the data stored in the memory when reproducing the encrypted content written to the local memory unit.
    • 信息处理设备包括:本地存储器单元,用于存储包括加密内容的数据; 用于存储包括用于再现加密内容的密钥信息的数据的存储器; 以及数据处理单元,其执行向本地存储器单元和存储器写入数据的处理以及再现加密内容的处理,其中数据处理单元执行将从服务器下载的加密内容或从 介质到本地存储器单元,并且当再现被写入本地存储器单元的加密内容时,使用存储在本地存储器单元中的数据和存储在存储器中的数据来执行对加密内容进行解码或有效性认证处理的处理。