Patent ID: 6657538
Filing Date: 2003-12-02
Classification: G06F,G07C,H04L,H04W

Abstract:
A method for determining the authenticity of a user or a user group of a communication terminal device, comprising:recording video information of body features associated with said user or said user group in a point of presence (POP); processing said video information to derive specific features as biometric keys; storing said biometric keys in tables of a biometric server and in a SIM-card of said user or said user group, at least one of said biometric keys being assigned in a table to a respective user; inserting said SIM-card into a communication terminal device by said user, said SIM-card containing at least one personal biometric key; recording current video information of at least one body feature associated with said user via a video sensor located outside said communication terminal device, wherein said current video information is transmitted from said video sensor to said communication terminal device for further processing; processing said current video information to derive at least one specific feature as a current biometric key; determining the authenticity of said user by comparing said current biometric key of said user to said stored biometric keys, wherein the authenticity is ensured if the comparison is positive and the authenticity is not ensured if the comparison is negative.