Patent ID: 7143440
Filing Date: 2006-11-28
Classification: G06F,H04L

Abstract:
1. A method of authenticating a user for access to a device, service, application, function, or system, implemented with a user interface and an authentication system comprising: creating an authentication key in the form of a user formula selected by the user from a set of variables and operations provided by the authentication system; storing the user formula in the authentication system; utilizing a display of the user interface to present the user with an arrangement of variables generated by the authentication system, including the variables of the user formula, each assigned a value; applying the assigned values to matching variables in the user formula and calculating a first result; and conveying the first result through the user interface to the authentication system, wherein the authentication system authenticates the user if the first result matches a second result of a separate and independent calculation of the user formula calculated by the authentication system.