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    • 1. 发明授权
    • Dynamic link library integrity checking for handheld medical devices
    • 手持医疗设备的动态链接库完整性检查
    • US08775877B2
    • 2014-07-08
    • US13338387
    • 2011-12-28
    • Gordon L. McVeyMarshall M. ParkerRichard W. Wilson
    • Gordon L. McVeyMarshall M. ParkerRichard W. Wilson
    • G06F11/00
    • G06F19/3468G06F11/1004G06F19/00G16H40/40
    • A method of checking the integrity of a dynamic link library (DLL) file called by an application being executed on a handheld medical device is described. The method includes loading a DLL from a read only memory (ROM) to a random access memory (RAM) beginning at a fixed location in the RAM. The DLL includes a first routine for performing a safety critical function of the handheld medical device and a second routine for performing a cyclical redundancy check (CRC) once the DLL is loaded to the RAM. The method includes selectively executing the first routine from the RAM. The method includes selectively executing the second routine from the RAM including: calculating a check value based on the DLL; comparing the check value with a predetermined check value; and indicating that an error is present when the check value is different than the predetermined check value.
    • 描述了一种检查由在手持式医疗设备上执行的应用所调用的动态链接库(DLL)文件的完整性的方法。 该方法包括将DLL从只读存储器(ROM)加载到从RAM中的固定位置开始的随机存取存储器(RAM)。 该DLL包括用于执行手持医疗设备的安全关键功能的第一例程,以及一旦将DLL加载到RAM,执行循环冗余校验(CRC)的第二程序。 该方法包括从RAM中选择性地执行第一例程。 该方法包括:从RAM中选择性地执行第二例程,包括:基于DLL计算检查值; 将所述检查值与预定检查值进行比较; 并且指示当检查值不同于预定检查值时存在错误。
    • 2. 发明申请
    • DYNAMIC LINK LIBRARY INTEGRITY CHECKING FOR HANDHELD MEDICAL DEVICES
    • 动态链接图书馆完整检查手术医疗器械
    • US20130173968A1
    • 2013-07-04
    • US13338387
    • 2011-12-28
    • Gordon L. McVeyMarshall M. ParkerRichard W. Wilson
    • Gordon L. McVeyMarshall M. ParkerRichard W. Wilson
    • G06F11/08
    • G06F19/3468G06F11/1004G06F19/00G16H40/40
    • A method of checking the integrity of a dynamic link library (DLL) file called by an application being executed on a handheld medical device is described. The method includes loading a DLL from a read only memory (ROM) to a random access memory (RAM) beginning at a fixed location in the RAM. The DLL includes a first routine for performing a safety critical function of the handheld medical device and a second routine for performing a cyclical redundancy check (CRC) once the DLL is loaded to the RAM. The method includes selectively executing the first routine from the RAM. The method includes selectively executing the second routine from the RAM including: calculating a check value based on the DLL; comparing the check value with a predetermined check value; and indicating that an error is present when the check value is different than the predetermined check value.
    • 描述了一种检查由在手持式医疗设备上执行的应用所调用的动态链接库(DLL)文件的完整性的方法。 该方法包括将DLL从只读存储器(ROM)加载到从RAM中的固定位置开始的随机存取存储器(RAM)。 该DLL包括用于执行手持医疗设备的安全关键功能的第一例程,以及一旦将DLL加载到RAM,执行循环冗余校验(CRC)的第二程序。 该方法包括从RAM中选择性地执行第一例程。 该方法包括:从RAM中选择性地执行第二例程,包括:基于DLL计算检查值; 将所述检查值与预定检查值进行比较; 并且指示当检查值不同于预定检查值时存在错误。