US Patent 7532589 Method of communication between objects

The method applies to objects comprising a memory in which there is a mathematical mapping and at least one key. It is a method which comprises the following steps:calculation, in a first object, of the image of a number via a mapping which is the image via the mapping contained in memory of the key contained in memory,transmission, by this object, of a frame containing an order, the number and its image,reception by each of the other objects,calculation, in each other object, of the image of the number via a mapping which is the image via the mapping contained in memory, of the key contained in memory,comparison of the images of the number,execution of the order if these images are equal.