The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 08, 2009
Filed:
May. 17, 2005
Sébastien Canard, Caen, FR;
Eric Malville, Bayeux, FR;
Jacques Traore, Saint Georges des Groseillers, FR;
Bruno Cosnefroy, Couville, FR;
Sidonie Caron, Clamart, FR;
Sébastien Canard, Caen, FR;
Eric Malville, Bayeux, FR;
Jacques Traore, Saint Georges des Groseillers, FR;
Bruno Cosnefroy, Couville, FR;
Sidonie Caron, Clamart, FR;
France Telecom, Paris, FR;
Abstract
An anonymous and secure on-line payment system and method based on the partially blind signature cryptographic method with revocable anonymity. To this end, an Anonymity Server (SA) enables the Customer (C) to acquire on-line anonymous payment means on the basis of a protocol that does not enable the Anonymity Server to link the payment means to the Customer (C). The Payment Server (SdP) comprises means for opening an anonymous account using the anonymous payment means (). A Customer (C) can make an on-line purchase from a Merchant Site (SM) without having to give a bank card number and remaining anonymous to the merchant and more generally to any entity present in the transaction or absent therefrom. However, this anonymity may be revoked by a trusted entity in the event of fraud on the Customer. Finally, a Customer can make payments when on the move.