Protecting programs and data with card reader

Details Protecting programs and data with card reader Protecting programs and data with card reader

G - Physics

06

F

G06F 1/16 (2006.01) G06F 1/00 (2006.01) G06F 21/00 (2006.01) G07C 9/00 (2006.01) G07F 7/10 (2006.01)

Patent

CA 2137274

2137274 9324906 PCTABS00028 A secure computer controlling access to internal devices via an integrated card reader. A microprocessor-controlled card reader interface logically connected to the CPU of the computer reads and writes information from and to a card placed in the card reader and performs additional functions in response to commands received from the CPU. The boot ROM of the computer is programmed to start execution from a program logic device which runs a verification program to verify the authenticity of a user. Upon a valid user card being placed in the card reader, one or more questions are read from the card and displayed to the user. The user's responses are saved and compared to the correct answers stored on the card, and if the responses match the correct answers, a power control circuit is used by the CPU to turn on power to computer peripherals the user has been authorized to use.

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