G - Physics – 07 – F
Patent
G - Physics
07
F
G07F 7/10 (2006.01) G07F 7/08 (2006.01) H04L 9/32 (2006.01)
Patent
CA 2332436
The invention concerns a method for carrying out a secure transaction using an application loaded in a medium (10) such as a smart card, a transaction server (20) and a terminal connected to the server through a communication network, said transaction comprising loading units of value or of a monetary value or payment parameters in the card. The invention is characterised in that it consists in using a communication protocol containing a first message comprising a transaction request and at least a subsequent message containing a reply to said request wherein the first message includes an authentication information transmitted during a previous transaction and said subsequent message includes an authentication information for the following transaction.
L'invention concerne un procédé pour effectuer une transaction sécurisée au moyen d'une application chargée dans un support (10) du type carte à puce, d'un serveur de transaction (20) et d'un terminal relié au serveur par un réseau de communication, ladite transaction comprenant le chargement d'unités de valeur ou d'une valeur monétaire ou de paramètres de paiement dans la carte. Selon l'invention on utilise un protocole de communication comprenant un premier message comportant une demande de transaction et au moins un message subséquent comportant une réponse à ladite demande dans lequel ledit premier message comporte une information d'authentification émise au cours d'une transaction précédente et ledit message subséquent comporte une information d'authentification pour la transaction suivante.
Dreher Dominique
Imbert Patrick
Gemplus
Robic
LandOfFree
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