TWO CHANNEL BASED USER AUTHENTICATION APPARATUS AND METHOD

摘要

Disclosed is a user authentication apparatus and method based on two channels. The embodiments of the present invention are to provide the user authentication apparatus and method based on the two channels performing user authentication via a second terminal which a user of a first terminal owns if the first terminal connects to a service providing server that provides web services to request the user authentication. Therefore, the present invention can enhance the security of the user authentication. [Reference numerals] (211) Terminal check unit; (212) Requesting unit; (213) Encryption value reception unit; (214) Decoding unit; (215) Transmission unit; (216) Authentication value transmission unit; (217) Code transmission unit; (218) User information reception unit; (219) Authentication key issuing unit; (220) First terminal; (230) Service providing server; (240) Second terminal