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    • 68. 发明授权
    • Information processing device and method, recording medium, program and information processing system
    • 信息处理装置和方法,记录介质,程序和信息处理系统
    • US08239681B2
    • 2012-08-07
    • US12419730
    • 2009-04-07
    • Yoshihito Ishibashi
    • Yoshihito Ishibashi
    • H04L29/06
    • H04L9/3273
    • An information processing device regarding which access to data held by the information processing device itself, in multiple regions, is requested from another information processing device, includes: an authenticating unit to perform authenticating processing of the other information processing device; a receiving unit to receive an access license ticket including an access code and a check digit; an access license ticket generating key generating unit to generate an access license ticket generating key, which is key information for computing a check digit using data held beforehand, a root key, an access control key, and other key information which is key information to manage data of a region other than the predetermined region, corresponding to an access code; check digit computing unit to compute a check digit corresponding to the access code described in the access license ticket; and access license ticket validating unit to validate the access license ticket.
    • 一种信息处理装置,其特征在于包括:信息处理装置,用于对从所述信息处理装置本身在多个区域中保存的对数据的访问从另一信息处理装置请求,所述信息处理装置包括:认证单元,对所述其他信息处理装置进行认证处理; 接收单元,用于接收包括访问代码和校验位的访问许可证票据; 访问许可证票据生成密钥生成单元,生成访问许可证生成密钥,其是使用预先保存的数据计算校验位的密钥信息,根密钥,访问控制密钥以及作为管理的关键信息的其他密钥信息 对应于访问码的预定区域以外的区域的数据; 校验位计算单元计算与访问许可证中描述的访问代码相对应的校验位; 访问许可证验证单元验证访问许可证单。