Completing monetary transaction by presenting valve messages...

G - Physics – 07 – B

Patent

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Details

G07B 17/00 (2006.01) G06Q 20/00 (2006.01)

Patent

CA 2377570

Method and apparatus are disclosed for conducting secure transactions via postal authority (10) cryptographic transformations. In particular, value is issued in the form of a value message (14) including a cryptographic transformation (220) enabling a recipient (16) to determine the authenticity (312) of the value message (14). The recipient (16) applies additional cryptographic transformation information (314) to endorse the value message (17). The postal authority (10), receives the endorsed value message (17), cryptographically transforms (400, 402, 404, 410, 412) the endorsed value message (17), and registers the transfer of value from the payor to the payee (416, 418). Similarly, the cryptographic transformations can be used to protect the identity of the mail order customer (500) while ensuring the authenticity if the purchase order and payment by the customer to the mail order merchant (502). In yet another application, the cryptographic transformations facilitate payment of bills via submission of "endorsed" postcards to the postal authority (10).

La présente invention concerne des procédés et des appareils destinés à mener des transactions sécurisées via des transformations cryptographiques d'une autorité postale (10). En particulier, une valeur est issue sous la forme d'un message de valeur (14) comprenant une transformation cryptographique (220) permettant à un destinataire (16) de constater l'authenticité (312) du message de valeur (14). Le destinataire (16) applique une information à transformation cryptographique supplémentaire (314) afin de confirmer le message de valeur (17). L'autorité postale (10) reçoit la valeur de message confirmée (17), effectue une transformation cryptographique (400,402,404,410,412) du message de valeur confirmé (17), et enregistre le transfert de valeur du débiteur au prestataire (416,418). De la même façon, les transformations cryptographiques peuvent être utilisées afin de protéger l'identité du client commandant par correspondance (500) tout en assurant l'authenticité d'une commande et d'un paiement par un client à un marchand prestataire (502). Dans une autre application, les transformations cryptographiques permettent de faciliter le paiement de factures au moyen de la soumission de cartes postales "confirmées" à l'autorité postale (10).

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