Electrical computers and digital data processing systems: input/ – Input/output data processing – Peripheral adapting
Reexamination Certificate
2011-07-26
2011-07-26
Sorrell, Eron J (Department: 2182)
Electrical computers and digital data processing systems: input/
Input/output data processing
Peripheral adapting
C710S008000, C710S010000, C710S106000, C348S075000
Reexamination Certificate
active
07987304
ABSTRACT:
Certified Wireless USB 1.0 (CWUSB) defines two different types of association: cable association and numeric association. In the numeric association, the CWUSB host and device use a specific protocol to exchange the security information. At final stage of this information exchange, both host and device need to display a number asking user's feedback. Once this is done, both host and device will be able to generate the connection key as the shared secret for the following secured communication. One problem of this numeric association method is that device needs to be able to display the numbers. For certain class of device that has capability to display an image, there is a natural way to add this function to them. A method for this class of devices is described. Another kind of association, which is not defined in the CWUSB 1.0, is manual association. User needs only to manually type in the Connection Key coming from the CWUSB device. There are many ways to delivery the key, but it is very easy for device that can display an image.
REFERENCES:
patent: 2003/0103611 (2003-06-01), Lapstun et al.
Wireless Universal Serial Bus Specification, May 12, 2005, Revision 1.0, pp. i-140, pp. 141-293.
Association Models Supplement to the Certified Wireless Universal Serial Bus Specification, Mar. 2, 2006, revision 1.0.
Wireless Universal Serial Bus Specifications, Agere, HP, Intel, Microsoft. NEC, Phillips, Samsung, May 12, 2005, Revision 1.0.
Aytur Turgut
Battaglia Frederic
Garg Saurabh
Okur Batuhan
Ong Ping-Wen
Phan Dean
REALTEK Semiconductor Corp.
Sorrell Eron J
Thomas Kayden Horstemeyer & Risley LLP
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