A method for allowing a financial transaction to be performed using a electronic system, the method comprising interrogating an electronic transaction terminal with an electronic security device to obtain an integrity metric for the electronic financial transaction terminal; determining if the transaction...http://www.google.fr/patents/US20020023032?utm_source=gb-gplus-shareBrevet US20020023032 - Trusted system
Numéro de demande: 09/932,476 Numéro de publication: US 2002/0023032 A1 Date de dépôt: 17 août 2001 Brevet délivré: US7275160 ( Date de délivrance 25 sept. 2007)