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    • 1. 发明申请
    • Storage Device and Storage Method
    • 存储设备和存储方法
    • US20070250924A1
    • 2007-10-25
    • US11660338
    • 2004-08-17
    • Ryoji OnoTatsuji MunakaMariko Sawamura
    • Ryoji OnoTatsuji MunakaMariko Sawamura
    • G06F12/14
    • G06F21/78G06F21/6218G06F2221/2115G06F2221/2153
    • It is aimed to prevent access to data when a storage device 1 is lost without damaging security and convenience of a user even if the storage device 1 is under condition in which communication with an authentication server is unavailable and further a personal identification number is leaked. The storage device 1 includes a data storing unit 11 which stores security target data and valid duration of use data showing a valid duration of use of the security target data and a validity checking unit 14 which implements a validity check process for checking if the security target data stored in the data storing unit 10 is valid based on the valid duration of use data stored in the data storing unit 10. Then, when the communication with the authentication server is unavailable, access to the data is controlled by implementing the validity check process.
    • 即使存储装置1处于与认证服务器的通信不可用的状况,并且进一步的个人识别号码泄漏的情况下,也可以防止存储装置1的丢失而不损害用户的安全性和便利性的数据访问。 存储装置1包括数据存储单元11,其存储表示安全目标数据的有效使用持续时间的安全目标数据和有效使用时间数据;以及有效性检查单元14,其执行用于检查安全目标 存储在数据存储单元10中的数据基于存储在数据存储单元10中的有效使用持续时间有效。 然后,当与认证服务器的通信不可用时,通过实施有效性检查过程来控制对数据的访问。
    • 8. 发明申请
    • Management Service Device, Backup Service Device, Communication Terminal Device, and Storage Medium
    • 管理服务设备,备份服务设备,通信终端设备和存储介质
    • US20080260156A1
    • 2008-10-23
    • US11660105
    • 2004-08-19
    • Akihiro BabaShouji SakuraiSeiichi KondoTatsuji MunakaMariko Sawamura
    • Akihiro BabaShouji SakuraiSeiichi KondoTatsuji MunakaMariko Sawamura
    • H04L9/06G06F21/00
    • G06F21/6209G06F11/1458G06F11/1464G06F11/1469G06F21/34G06F21/88G06F2221/2103G06F2221/2129
    • It is an object to provide a method for invalidation and new registration of a storage medium, a method for backup of data stored in a storage medium and for restoration of backup data to a storage medium, and a method for encryption of and application of an electronic signature to data to be backed up, and for decryption of backup data to be restored and verification of a signature. A service device includes a reception unit for receiving a request for data processing regarding a storage medium from a communication terminal device connected to the storage medium, an authentication unit for performing authentication of whether or not the storage medium connected to the communication terminal device is valid, and a database for storing a public key of the storage medium, wherein, when the reception unit receives a request for invalidation of the first storage medium from the communication terminal device, and the authentication unit authenticates the second storage medium connected to the communication terminal device as a valid storage medium, the database deletes the public key of the first storage medium stored in the database.
    • 本发明的目的是提供一种用于存储介质的无效和新的注册的方法,用于备份存储在存储介质中的数据的方法以及用于将备份数据恢复到存储介质的方法,以及用于对存储介质进行加密和应用的方法 对要备份的数据进行电子签名,以及解密要恢复的备份数据和签名的验证。 服务设备包括:接收单元,用于从连接到存储介质的通信终端设备接收关于存储介质的数据处理的请求;认证单元,用于执行与通信终端设备连接的存储介质是否有效的认证 以及用于存储所述存储介质的公开密钥的数据库,其中,当所述接收单元从所述通信终端设备接收到所述第一存储介质的无效请求时,所述认证单元认证连接到所述通信终端的所述第二存储介质 设备作为有效的存储介质,数据库删除存储在数据库中的第一个存储介质的公开密钥。