Apparatus and method for enforcing software license

Details Apparatus and method for enforcing software license Apparatus and method for enforcing software license

G - Physics

06

F

G06F 17/00 (2006.01) G06F 12/14 (2006.01)

Patent

CA 2399317

An apparatus and method to enforce software license with USB device. The method comprises of a USB hardware key that is added to the system anytime it is needed, and codes that is installed to the participating software. The USB device contains a processor; an internal oscillator; non-erasable- non-volatile memory; volatile memory; a bus; an interrupt controller; an USB SIE; and an USB transceiver. Software send request to the USB device anytime during the run of the program for license check, the program would stop if a wrong device or no device is detected. Another approach of the said apparatus contains a flash memory that stores the license status, the license status determines if additional installation is allowed with the corresponding software. Another approach of the said apparatus is to use the USB device as a key to run the software. The said invention increases the cost for any illegal users who try to break in the code, and it adds the flexibilities for developers.

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