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    • 4. 发明授权
    • Secure boot terminal, secure boot method, secure boot program, recording medium, and integrated circuit
    • 安全引导终端,安全引导方法,安全引导程序,记录介质和集成电路
    • US08555049B2
    • 2013-10-08
    • US12676960
    • 2008-09-30
    • Hisashi TakayamaHideki MatsushimaTakayuki ItoTomoyuki HagaKenneth Alexander Nicolson
    • Hisashi TakayamaHideki MatsushimaTakayuki ItoTomoyuki HagaKenneth Alexander Nicolson
    • G06F15/177
    • G06F21/575
    • A terminal that performs secure boot processing when booting, thereby booting reliably even if, during updating of a software module, the power is cut off or the update is otherwise interrupted. The terminal comprises a CPU, a software module storage unit, a certificate storage unit, an updating unit for updating the software module and certificate, a security device provided with a configuration information storage unit for storing the configuration information of the software module, an alternate configuration information storage unit for storing the configuration information of a software module in the configuration before the update, and a boot control unit for verifying and executing the software module by using the certificate. The terminal verifies the certificate of the software module by comparing the configuration information stored by the configuration information storage unit with the configuration information stored by the alternate configuration information storage unit.
    • 在启动时执行安全引导处理的终端,即使在更新软件模块期间断电或更新被中断的情况下也可以可靠地引导。 终端包括CPU,软件模块存储单元,证书存储单元,用于更新软件模块和证书的更新单元,设置有用于存储软件模块的配置信息的配置信息存储单元的安全设备, 配置信息存储单元,用于存储在更新之前的配置中的软件模块的配置信息;以及引导控制单元,用于通过使用证书来验证和执行软件模块。 终端通过将由配置信息存储单元存储的配置信息与备用配置信息存储单元存储的配置信息进行比较来验证软件模块的证书。
    • 8. 发明申请
    • KEY MIGRATION DEVICE
    • 主要移动设备
    • US20110081017A1
    • 2011-04-07
    • US12993931
    • 2009-05-25
    • Hideki MatsushimaHisashi TakayamaYuichi FutaTakayuki ItoTomoyuki Haga
    • Hideki MatsushimaHisashi TakayamaYuichi FutaTakayuki ItoTomoyuki Haga
    • H04L9/00
    • H04L9/0836H04L9/088
    • Provided is a key migration device which can securely and reliably control the migration of keys. A migration authority (101) fetches a generation level which is the security level of a first electronic terminal (3011) and an output destination level which is the security level of a third electronic terminal (3013), decides whether the relationship between the generation level and the output destination level satisfies a predetermined condition when a request for fetching a collection of keys is received from the third electronic terminal (3013), outputs the key generated by the first electronic terminal (3011) among the collection of keys to the third electronic terminal (3013) if the predetermined condition is fulfilled, and restricts output to the third electronic terminal (3013) of the key generated by the first electronic terminal (3011) among the collection of keys if the predetermined condition is not fulfilled.
    • 提供了一种可以安全可靠地控制密钥迁移的密钥迁移设备。 移动机构(101)取出作为第一电子终端(3011)的安全级别的生成级别和作为第三电子终端(3013)的安全级别的输出目的地级别,决定生成级别 并且当从第三电子终端(3013)接收到提取密钥集合的请求时,输出目的地级别满足预定条件,将由第一电子终端(3011)生成的密钥输出到第三电子邮件集合 如果满足预定条件,并且如果不满足预定条件,则在密钥集合中限制由第一电子终端(3011)生成的密钥的输出到第三电子终端(3013)的终端(3013)。