METHOD AND APPARATUS FOR SECURE IDENTITY AUTHENTICATION WITHAUDIBLE TONES

摘要

Method and apparatus for allowing persons to securely identify themselves in electronic commerce and transactions involving other parties. A token stores or determines a set of cryptographic signatures and uses a sound component t o generate a unique audible tone representative of a cryptographic signature. The audible tone is conveyed to a party requesting authentication of the tok en holder, whereupon the party determines whether the information conveyed by t he audible tone exists in a database of identities.