2-channel authentication method and system based on authentication application

PURPOSE: A 2-channel application authenticating method and a system thereof are provided to give an alarm or a notice about simple information to a user. CONSTITUTION: An application authenticating server transmits an application authenticating request through a data communications network (S21). An authenticating application of a smart phone performs an alarm about the application authenticating request (S22). The authenticating application of the smart phone releases a lock (S23). The authenticating application of the smart phone receives a confirmation signal about the application authenticating request (S24). The authenticating application of the smart phone completes an authentication procedure by transmitting and receiving data with the application authenticating server through the data communications network (S25). [Reference numerals] (AA) Start; (BB) End; (S21) Application authenticating server transmits an application authenticating request through a data communications network; (S22) Authenticating application of the smart phone performs an alarm about the application authenticating request; (S23) Authenticating application of the smart phone releases a lock; (S24) Authenticating application of the smart phone receives a confirmation signal about the application authenticating request; (S24a) Authenticating application of the smart phone receives authenticating application company name or confirmation signal about CI; (S24b) Authenticating application of the smart phone receives a confirmation signal about ID number; (S24c) Authenticating application of the smart phone receives a confirmation signal about transaction and service request contents; (S24d) Authenticating application of the smart phone receives a confirmation signal and time confirmed by a first channel; (S25) Authenticating application of the smart phone completes an authentication procedure