Bus function authentication method, apparatus and computer...

Details Bus function authentication method, apparatus and computer... Bus function authentication method, apparatus and computer...

2006-05-09

2006-05-09

Huynh, Kim (Department: 2182)

Electrical computers and digital data processing systems: input/

Input/output data processing

Input/output access regulation

C710S008000, C710S010000

Reexamination Certificate

active

07043575

ABSTRACT:
Devices connected to a communications bus are selectively accessed to the bus that communicates between one or more devices and a host machine. On the basis of analyzed device characteristics, communication between the device and the host machine via the bus is enabled or disabled. Filtering software intercepts the results of a GET_DESCRIPTOR function and compares same with the contents of a disallowed device characteristic list. If the device is disallowed, data flow is remapped to a generic driver which halts configuration or communication on the bus. Alternatively, configuration/communication on the bus is halted for that device.

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Universal Serial Bus Specification Revision 2.0, Section 9.4, pp. 250-260.

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