Patent ID: 7849321
Filing Date: 2010-12-07
Classification: G06F

Abstract:
1. An interactive method for authentication of a client, comprising: storing data defining a graphical representation of a frame of reference adapted for rendering on a display, the frame of reference including a number N of pre-defined locations in the frame of reference having coordinates on the frame of reference; storing a data set associated with the client in a memory, the data set including a first shared secret and a second shared secret, receiving via a first data communication, a client identifier from the client and initiating an authentication session; presenting via a second data communication, to the client an instance of the graphical representation of the frame of reference in response to the request for use in the authentication session, including accepting input data from the client via a third data communication, the input data including characters entered by the client using an input device; and determining whether the input data matches the response pointed to by the challenge and if the input data matches, signaling successful authentication, and if the input data does not match, signaling failed authentication.