G - Physics – 07 – F
Patent
G - Physics
07
F
G07F 7/12 (2006.01) G07F 7/10 (2006.01)
Patent
CA 2140803
The invention provides for a method of authenticating to a user or customer a terminal, such as an automatic teller machine, in a transaction execution system. The terminal is authenticated by a central host using cryptographic techniques, and a personal security phrase is sent from the host to the terminal. A message, incorporating the personal security phrase, is communicated to the customer by the terminal, thereby indicating that the terminal is legitimate. The terminal is authenticated to the customer prior to his entering any secret or confidential information, such as a personal identification number, into the terminal.
L'invention consiste en une méthode d'authentification d'un terminal pour un utilisateur ou un client, par exemple un guichet automatique relié à un système d'exécution de transactions. Le terminal est authentifié par un ordinateur central hôte à l'aide de techniques de chiffrement, et un code de sécurité personnel est envoyé de l'ordinateur hôte au terminal. Un message intégrant le code de sécurité personnel est communiqué au client utilisant le terminal pour l'informer de la validité du terminal, ce qui est confirmé au client avant que celui-ci n'entre dans l'ordinateur des renseignements secrets ou confidentiels, par exemple un numéro d'identification personnel.
American Telephone And Telegraph Company
Kirby Eades Gale Baker
LandOfFree
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