公开(公告)号：US06304970B1

公开(公告)日：2001-10-16

申请号：US08922792

申请日：1997-09-02

申请人： Mario Bizzaro ,  Vincenzo Condorelli ,  Michel Henri Theodore Hack ,  Jeffrey Kenneth Kravitz ,  Mark John Lindemann ,  Elaine Rivette Palmer ,  Gianluca Pedrina ,  Sean William Smith ,  Steve Harris Weingart

发明人： Mario Bizzaro ,  Vincenzo Condorelli ,  Michel Henri Theodore Hack ,  Jeffrey Kenneth Kravitz ,  Mark John Lindemann ,  Elaine Rivette Palmer ,  Gianluca Pedrina ,  Sean William Smith ,  Steve Harris Weingart

IPC分类号： G06F1214

CPC分类号： G06F21/74 ,  G06F21/57 ,  G06F2221/2105

摘要： An apparatus for permitting access to protected code, protected data or protected devices only when a computer system is in a trusted state, where said trusted state occurs only when said system is executing trusted code under a set of preselected conditions. This apparatus also has a device for exiting the trusted state and for preventing access to protected code, data and devices when the trusted state is exited. The computer system is also programmed to automatically generate a disabling signal upon the completion of execution of trusted code, and this disabling signal will result in the prevention of access to protected devices or code.

摘要翻译： 仅当计算机系统处于可信状态时才允许访问受保护代码，受保护数据或受保护设备的设备，其中仅当所述系统在一组预选条件下执行可信代码时才发生所述可信状态。 该设备还具有用于退出可信状态并用于在可信状态退出时防止对受保护代码，数据和设备的访问的设备。 计算机系统还被编程为在完成可信代码的执行时自动生成禁用信号，并且该禁用信号将导致防止对受保护设备或代码的访问。