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    • 4. 发明申请
    • HARDWARE DEVICE INTERFACE SUPPORTING TRANSACTION AUTHENTICATION
    • 硬件设备接口支持事务认证
    • WO2009058490A2
    • 2009-05-07
    • PCT/US2008077059
    • 2008-09-19
    • HEWLETT PACKARD DEVELOPMENT CORILEY DWIGHT D
    • RILEY DWIGHT D
    • G06F17/00
    • G06F9/468G06F21/44G06F21/53G06F21/606
    • A hardware device interface supporting transaction authentication is described herein. At least some illustrative embodiments include a device (250), including an interconnect interface (252), and processing logic (257) (coupled to the bus interface (252)) that provides access to a plurality of functions of the device through the interconnect interface. A first transaction received by the device (250), and associated with a function of the plurality of functions, causes a request identifier within the first transaction to be assigned to the function. Access to the function is denied if a request identifier of a second transaction, subsequent to the first transaction, does not match the request identifier assigned to the function.
    • 这里描述了支持交易认证的硬件设备接口。 至少一些说明性实施例包括包括互连接口(252)的设备(250)以及耦合到总线接口(252)的处理逻辑(257),其通过互连提供对设备的多个功能的访问 接口。 由设备(250)接收并且与多个功能的功能相关联的第一事务使第一事务内的请求标识符被分配给该功能。 如果在第一个事务之后的第二个事务的请求标识符与分配给该功能的请求标识符不匹配,则拒绝访问该功能。