| 摘要 |
PURPOSE: A user authentication system and user terminal thereof are provided to accurately perform user authentication without bio-information recognition error of a user. CONSTITUTION: A user management system(210) transmits a barcode request including the telephone number of a specified user. The user management system receives bar code information about the barcode image according to the bar code request. The barcode information is stored in a user certification terminal(240). A bar code management system(220) generates the barcode image.
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