GESICHERTES VERFAHREN FÜR ELEKTRONISCHE ÜBERWEISUNGEN UND DAZUGEHÖRIGES SYSTEM

摘要

The transaction is made between an object and a terminal. According to the invention, an authentication value is inserted in the object which is a digital signature appearing on an identifier of the object. Each object also has a diversified key created from a base key diversified by the identifier. The terminal can thus authenticate the identifier and check that the debit has actually been made. Application to electronic payment.