METHOD FOR CONCEALMENT AND AUTHENTICATION OF FINGERPRINT DATA USING 3D FUZZY VAULT, APPARATUS FOR CONCEALMENT OF FINGERPRINT DATA USING 3D FUZZY VAULT AND SYSTEM FOR AUTHENTICATION OF FINGERPRINT DATA USING 3D FUZZY VAULT

摘要

A method and an apparatus for hiding fingerprint data using a 3D fuzzy vault and a method and an apparatus for authenticating fingerprint data using the 3D fuzzy vault are provided to apply the fuzzy vault theory in consideration of a 3D space in order to protect bio information so as to increase the quantity of fake fingerprint information for hiding fingerprint information, and improve security without decreasing a recognition rate. A method for hiding fingerprint data using a 3D fuzzy vault includes a step of receiving an image of the fingerprint of an authenticated user using a sensing device and extracting fingerprint information including the position, angle and shape of a characteristic point from the image(510), a step of generating a polynomial having the extracted fingerprint information as a coefficient(520), a step of randomly generating fake fingerprint information composed of the position, angle and shape of the characteristic point and embedding the fake fingerprint information in the extracted fingerprint information(530) and a step of storing the polynomial and the fingerprint information in which the fake fingerprint information is embedded in a database(540).