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    • 1. 发明授权
    • Access unit switching through physical mediation
    • 接入单元通过物理中介切换
    • US08146138B2
    • 2012-03-27
    • US11275146
    • 2005-12-15
    • Yuqun ChenMarcus Peinado
    • Yuqun ChenMarcus Peinado
    • G06F21/00
    • G06F21/57G06F21/53G06F21/629
    • A plurality of access units may be established with varying levels of privilege and access rights, such that the user may perform tasks carrying with them a high risk of viral infection in an access unit with a low level of privilege and access rights. When an authenticated user desires to perform tasks requiring a higher level of privilege and access rights, the user may switch to an access unit having a higher privilege and access rights level by instigating a physical action. The physical action may include selecting a button (included in either a UI or on a peripheral device), or inputting biometric data to switch among running access units. A signal instigated by the physical action is transmitted along a trusted path between the isolation kernel and where the physical action was instigated.
    • 可以建立具有不同级别的特权和访问权限的多个访问单元,使得用户可以执行具有低级特权和访问权限的访问单元中病毒感染的高风险的任务。 当认证用户希望执行需要更高级别的特权和访问权限的任务时,用户可以通过煽动身体动作来切换到具有较高特权和访问权限级别的访问单元。 物理动作可以包括选择按钮(包括在UI中或在外围设备上),或者输入生物测定数据以在运行的访问单元之间切换。 通过物理动作引发的信号沿着隔离核心之间的信任路径传输,并且物理作用被引发。
    • 6. 发明申请
    • Optical Fiber Paper Reader
    • 光纤纸阅读器
    • US20080226297A1
    • 2008-09-18
    • US11685920
    • 2007-03-14
    • Michael J. SinclairYuqun ChenBehrooz Chitsaz
    • Michael J. SinclairYuqun ChenBehrooz Chitsaz
    • H04B10/00G06K9/18
    • G07D7/2033G06K19/086G07D7/0043G07D7/12
    • Techniques for authenticating certificates of authenticity (COAs) are discussed. The techniques provide for a simplified authentication system that is easily utilized in a field setting. In described embodiments, COAs are attached to or otherwise associated with goods to be authenticated. The COAs incorporate random or pseudo-random arrangements of optically sensitive fibers to create unique identifiers. A COA reader device optically scans each COA and characterizes the COA according to its unique arrangement of optical activity. A COA reader device may also scan data (e.g., a barcode) that is associated with the COA. The data contains information about the COA to further strengthen the COA authentication process. Based on the scan, the goods associated with the COAs can be verified as genuine (i.e., not pirated).
    • 讨论了认证证书(COA)的技术。 这些技术提供了在现场设置中容易使用的简化认证系统。 在所描述的实施例中,COA附加到或将与待认证的商品相关联。 COAs包含光敏纤维的随机或伪随机布置,以创建唯一的标识符。 COA读取器设备根据其独特的光学活动排列光学扫描每个COA并表征COA。 COA读取器设备还可以扫描与COA相关联的数据(例如,条形码)。 数据包含有关COA的信息,以进一步加强COA认证流程。 基于扫描,与COA相关联的商品可以被证实为真实的(即,不是盗版的)。
    • 8. 发明授权
    • Secure and opaque type library providing secure data protection of variables
    • 安全和不透明的库提供变量的安全数据保护
    • US07254586B2
    • 2007-08-07
    • US10185644
    • 2002-06-28
    • Yuqun ChenRamarathnam VenkatesanMariusz H. Jakubowski
    • Yuqun ChenRamarathnam VenkatesanMariusz H. Jakubowski
    • G06F7/00G06F11/30G06F12/14H04L9/32
    • G06F21/14Y10S707/99931
    • A method, apparatus, and article of manufacture for providing secure and opaque type libraries to automatically provide secure variables within a programming module. A system for providing secure and opaque type libraries to automatically provide secure variables within a programming module. The system includes an OTL selection module, an OTL substitution module, an OTL type library database, a compiler module; and a linker module to create an executable processing module. The OTL selection module randomly selects or generates one of the possible variable obfuscation functions for each declared secure variable. The OTL substitution module substitutes the separate instance of the selected variable obfuscation function for every reference to the declared secure variable. The OTL type library database receives queries from the OTL selection module a database to identify of possible variable obfuscation functions applicable for the variable type corresponding to the declared secure variables.
    • 一种用于提供安全和不透明类型库以在编程模块内自动提供安全变量的方法,装置和制品。 一种用于提供安全和不透明类型库以在编程模块内自动提供安全变量的系统。 该系统包括OTL选择模块,OTL替代模块,OTL类型库数据库,编译器模块; 以及用于创建可执行处理模块的链接器模块。 OTL选择模块随机选择或生成每个声明的安全变量的可能的变量模糊函数之一。 OTL替换模块将所选变量混淆函数的单独实例替换为声明的安全变量的每个引用。 OTL类型库数据库从OTL选择模块接收数据库的查询,以识别适用于与所声明的安全变量相对应的变量类型的可能的变量混淆函数。