METHOD FOR CERTIFYING THE ORIGIN OF AT LEAST ONE INFORMATION RECORDED IN A MEMORY OF A FIRST ELECTRONIC DEVICE AND TRANSMITTED TO A SECOND ELECTRONIC DEVICE, AND SYSTEM FOR IMPLEMENTING SUCH A METHOD

摘要

The subject of the invention is a method for certifying the origin of at least one information stored in a memory of a first electronic device and transmitted to a second electronic device, and a system for implementing such a device. METHOD. / P P EITHER AN INDIVIDUAL WITH A C CARD WHOSE MEMORY CONTAINS INDIVIDUAL INFORMATION I AND A INDIVIDUAL B HAVING A C CARD WHOSE MEMORY CONTAINS INDIVIDUAL INFORMATION I B. FOR THE INDIVIDUAL B WHO RECEIVES THE INFORMATION I IS SOME OF THE ORIGIN OF THIS INFORMATION I, THE TWO CARDS C AND C CALCULATE EACH RESULT OF THE INFORMATION I, A SECRET GAME COMMON TO THE TWO CARDS, A RANDOM NUMBER E PROVIDED BY THE INDIVIDUAL B AND A PARAMETER J WHICH IS ITSELF FUNCTION OF THE TWO INFORMATION I, I COMBINED FOLLOWING A PREDETERMINE ALGORITHM SYMMETRIC P. / P P L ' INVENTION APPLIES, IN PARTICULAR, TO THE MUTUAL RECOGNITION OF TWO INDIVIDUALS OF THE SAME POPULATION. / P