Patent ID: 6819219
Filing Date: 2004-11-16
Classification: G05B,G06F,G06Q,G07C,G07F,H04L,H04W

Abstract:
A method for biometric authentication based on communication between a portable electronic device and a security authenticator, said method comprising:presenting a challenge to said portable electronic device, wherein said portable electronic device, after reception of said challenge: identifies a biometric template, measures a user's biometric profile via a biometric measurer located within said portable electronic device, and identifies an authentication output via comparing said identified biometric template with said measured biometric profile; receiving said authentication output, said authentication output comprising an authentication token and an authentication message, said authentication message being an authentication successful message if said compared biometrics are identical, else, said authentication message being an authentication failure message if said compared biometrics do not match, and wherein the validity of said authentication token is maintained in said portable electronic device for a predetermined period of time based on a threshold or criteria test, with said authentication token being terminated upon failure of threshold or criteria test.