SYSTEM FOR AND METHOD OF AUTHENTICATING A USER ON A DEVICE
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United States of America Patent
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Issued Date -
Dec 27, 2018
app pub date -
Dec 1, 2016
filing date -
Dec 1, 2016
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Abstract
A system and a method for operating a device. The method comprises generating a correspondence table, a hot spots layout and a visual representation of a scrambled keypad; transmitting the correspondence table, the visual representation of the scrambled keypad; and the hot spots layout. The method further comprises causing to display, by a display controller, the visual representation of the scrambled keypad on a display screen; detecting, by a touch screen controller, a touch event input from a user through a touch screen; generating, by the touch screen controller, a keying event based on the touch event input and the hot spots layout; encrypting the keying event; and transmitting, to a secure element, the encrypted keying event. The method also comprises decrypting the encrypted keying event; and reconstituting a personal identification code (PIC) associated with the user based on the keying event and the correspondence table.
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