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    • 9. 发明授权
    • Tamper resistant memory protection
    • 防篡改内存保护
    • US08726042B2
    • 2014-05-13
    • US12040654
    • 2008-02-29
    • Sebastian LangeDinarte R. MoraisVictor TanAdam G. Poulos
    • Sebastian LangeDinarte R. MoraisVictor TanAdam G. Poulos
    • G06F12/14
    • G06F21/64
    • Various mechanisms are disclosed for protecting the security of memory in a computing environment. A security layer can have an encryption layer and a hashing layer that can dynamically encrypt and then dynamically hash sensitive information, as it is being loaded to dynamic memory of a computing device. For example, a memory unit that can correspond to a memory page can be processed by the security layer, and header data, code, and protect-worthy data can be secured, while other non-sensitive data can be left alone. Once such information is secured and stored in dynamic memory, it can be accessed at a later time by a processor and unencrypted and hash checked. Then, it can be loaded back onto the dynamic memory, thereby preventing direct memory access attacks.
    • 公开了用于在计算环境中保护存储器的安全性的各种机制。 安全层可以具有加密层和散列层,其可以在被加载到计算设备的动态存储器时动态加密然后动态地散列敏感信息。 例如,可以由安全层处理可对应于存储器页面的存储单元,并且可以确保头数据,代码和保护值数据,而其他非敏感数据可以单独存在。 一旦这样的信息被保护并存储在动态存储器中,它可以在稍后的时间被处理器访问,并且进行未加密和散列检查。 然后,它可以加载回动态内存,从而防止直接的内存访问攻击。
    • 10. 发明授权
    • Individualized per device initialization of computing devices in avoidance of mass exploitation of vulnerabilities
    • 个性化每个设备初始化计算设备以避免大规模利用漏洞
    • US08661234B2
    • 2014-02-25
    • US12023828
    • 2008-01-31
    • Sebastian LangeAdam Gabriel PoulosVictor Tan
    • Sebastian LangeAdam Gabriel PoulosVictor Tan
    • G06F9/00
    • G06F21/79G06F2221/2113
    • An individualized per device initialization of a computing device is unique relative to the initialization of other computing devices. A common initialization program, common to all computing devices of a particular type such as a game console, may be modified to be unique for each computing device. Modification may comprise the application of at least one individualized per device secret, e.g., key, to at least a portion of the common initialization program such as at least one initialization stage. Initialization is tied to one or more device specific identities. In this way, initialization vulnerabilities discovered on a particular device cannot be exploited en masse on other computing devices because each initialization program stored in each computing device is unique. The device specific nature of the initialization program may be extended to other information input to the computing device in order to prevent unauthorized sharing of information with other computing devices.
    • 相对于其他计算设备的初始化,计算设备的每个设备的个性化初始化是唯一的。 对于诸如游戏控制台的特定类型的所有计算设备通用的公共初始化程序可以被修改为对于每个计算设备是唯一的。 修改可以包括至少一个个体化的每个设备秘密(例如密钥)应用于公共初始化程序的至少一部分,例如至少一个初始化阶段。 初始化与一个或多个设备特定身份相关联。 以这种方式,在特定设备上发现的初始化漏洞不能在其他计算设备上被大量利用,因为存储在每个计算设备中的每个初始化程序是唯一的。 可以将初始化程序的设备特定性质扩展到输入到计算设备的其他信息,以防止与其他计算设备的未经授权的信息共享。