Electronic commerce system

G - Physics – 07 – F

Patent

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Details

G07F 7/10 (2006.01) G06Q 20/00 (2006.01)

Patent

CA 2247479

A simple, general-purpose electronic commerce system through on-line communication using a credit card without risks of doing a deal with a bogus merchandise dealer, ensuring safe business dealings. When a card holder purchases an article from a merchandise dealer, the card holder terminal (1) enciphers partial data relating to parties including the merchandise dealer, the card manager, and the distribution dealer of the order data, using a common encryption key effective only between the parties and then transmits the enciphered data to the terminals (3 and 4) via the terminal (2) of the merchandise dealer. Each party does its desired business dealing by deciphering the partial data related to itself, using the encryption key in common with that of the card holder.

Ce système simple de commerce électronique général fait appel à des communications en ligne, à l'aide d'une carte de crédit, sans risque de transaction avec un faux marchand et en garantissant des transactions sûres. Quand un détenteur de carte achète un article à un marchand, le terminal (1) du détenteur chiffre des données partielles concernant les parties y compris le marchand, le gestionnaire de carte et le distributeur recevant les données de la commande, à l'aide d'une clé de cryptage commune efficace seulement entre ces parties, puis il transmet ces données chiffrées aux terminaux (3) et (4) via le terminal (2) du marchand chaque partie procède aux opérations souhaitées en décryptant les données partielles la concernant, en utilisant la clé de cryptage commune utilisable par le détenteur de carte.

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