СПОСОБ И СИСТЕМА ДЛЯ ПРОВЕДЕНИЯ ТРАНЗАКЦИЙ С ИСПОЛЬЗОВАНИЕМ БЕСКОНТАКТНОГО УСТРОЙСТВА

摘要

A proximity device transmits a first dynamic authentication value contactlessly to a terminal. The first authentication value is included in a discretionary data field of message data arranged in an ISO Track 1 and/or ISO Track 2 formal Message data is sent from the terminal to an issuer. The issuer separately derives a second authentication value and compares it with the first authentication value.