METHOD OF AUTHENTICATING A USER, CORRESPONDING TERMINALS AND AUTHENTICATION SYSTEM
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United States of America Patent
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Sep 14, 2015
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Sep 17, 2014
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Abstract
A method of authenticating a user at a first terminal or a remote server connected to the first terminal, the authentication including inputting a code into the first terminal by the user and in comparing this code with a confidential personal code of the user, the confidential personal code comprising symbols to be input successively by the user into the first terminal, the method including transmitting from the first terminal to a second terminal belonging to the user a disordered series of symbols, a subset of which constitutes the confidential personal code, displaying on a screen of the second terminal the disordered series of symbols in a grid, called the second grid, each symbol of the series being contained in a box of the second grid, inputting by the user on the first terminal, the confidential personal code into a grid, called the first grid, at the corresponding locations of the symbols of the confidential personal code in the second grid, and verifying, at the first terminal or the remote server, that the series of symbols Input by the user is identical to the confidential personal code, so as to authenticate the user.
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