Patent US 8,111,134

A phone used in an authentication process. The phone includes a processor, a display coupled to the processor, and a computer readable medium coupled to the processor. The computer readable medium includes (i) code for displaying a first authentication image including a plurality of image elements including a set of image elements, where the image elements in the set of image elements are located at a first set of positions on a display screen, (ii) code for receiving a first glyph having a first configuration corresponding to the set of image elements from a user while the first authentication image is displayed, (iii) code for displaying a second authentication image including the plurality of image elements including the set of image elements, where the image elements in the set of image elements are located at a second set of positions on the display screen, where the second set of positions is different than the first set of positions, and (iv) code for receiving a second glyph having a second configuration corresponding to the set of image elements from a user while the second authentication image is displayed.