METHOD AND DEVICE AGAINST FORGERY

摘要

The method of the invention comprises : a step of determining characteristics of the printing hardware of said original document; a step of determining a mark for differentiating an original from a copy based on the characteristics of the printing hardware to be used for printing said mark on said document; a step of printing said mark using said printing hardware in order to create said original document; and a step of determining a first boundary value to be used by a copy detection hardware for discriminating the original document from a copy of the original document based at least on a print of said mark. In some embodiments, the method comprises the step of printing at least one printing reference representative of a maximal or minimal authorised inking for the printing of said document and, during the step for determining a first boundary value, determining a measure on at least said one printing reference and adding a tolerance thereto.