Method for Withdrawing Cash by Non-Card using Multiple Network Interworking Certification

摘要

The present invention relates to a non-card cash withdrawing method using a multi-network interworking authentication method, which is capable of communicating with N (N 2) ATMs through a private network, communicating with an app of a smart phone through a data network, The method comprising: confirming an installed and downloaded application on a smartphone of a user through a data network, opening a virtual account linked to the app, transmitting the message to the smartphone through a network, Receiving an app driving signal for an app provided in a smartphone of a user associated with the virtual account through a data network, and receiving a virtual account based on the app driving signal based on the app driving signal, Generates a unique one-time account number that does not overlap during a designated valid time, maps the virtual one to the virtual account, Providing the disposable account number to an app of a smartphone corresponding to the application driving signal through the ATM network, and providing the one-time account number input by the user from the nth (1 N N) Authenticates the validity of the password received through the dedicated network through the password of the virtual account, generates a disposable authentication number valid for the specified valid time, n ATM and transmits the authentication number to the smartphone through a message via a message center of a communication company through the telephone network, and transmits the authentication number from the nth ATM to the smart phone through the telephone network, Receives an authentication number corresponding to a message provided to the smartphone through the telephone network, Wherein the authentication server authenticates the validity of the authentication number received from the nth ATM via the dedicated network using the authentication number mapped to the nth ATM, The procedure is approved.;