Patent ID: 7162035
Filing Date: 2007-01-09
Classification: G06F,G06K,G06Q,G09C,H04L

Abstract:
1. An optically readable data storage medium, comprising an optically readable substrate having a data pattern and a set of optically readable characteristics which are randomly determined by a non-deterministic physical manufacturing process, further comprising a cryptographically processed set of identifications of the random optically readable characteristics, and the data pattern, associated with the data storage medium, the data pattern and the optically readable characteristics being adapted to be readable by a common imaging system, wherein the data storage medium is resistant to reproduction and alteration of the data pattern can be detected, in combination with an authentication device, said authentication device comprising: (a) an illumination source having an output adapted for exciting fluorescence; (d) an optical imaging sensor, for sensing a pattern of fluorescence; and (e) a processor for analyzing said pattern of fluorescence as said set of optically readable characteristics which are randomly determined by a non-deterministic physical manufacturing process, to determine a correspondence thereof with said cryptographically processed set of identifications of the random optically readable characteristics and the data pattern associated with the data storage medium.