Method and apparatus for data encryption and transmission

Details Method and apparatus for data encryption and transmission Method and apparatus for data encryption and transmission

H - Electricity

04

K

H04K 1/00 (2006.01) G07F 7/10 (2006.01) H04L 9/00 (2006.01) G06Q 20/00 (2006.01)

Patent

CA 2125193

An encryption system for transmitting confidential data from a transmitting device comprising: a processor for effecting a dynamic algorithm which is a function of time, e.g. Greenwich Mean Time; means for entering confidential data into the transmitting device; means for encrypting at least a portion of said confidential data in accordance with said algorithm; means for transmitting the resulting encrypted data; means for decrypting the received data, including circuitry which embodies the inverse of said dynamic function; means for extracting said confidential data from the encrypted data in accordance with said inverse dynamic algorithm. The system is intended to be used far electronic funds transfers: e.g. for credit card transactions.

Un système de chiffrement permettant à un dispositif de transmission de transmettre des données confidentielles comprend: un processeur d'application d'un algorithme dynamique en fonction de l'heure, par exemple l'heure moyenne de Greenwich; un organe d'introduction de données confidentielles dans le dispositif de transmission; un organe de chiffrement d'au moins une partie desdites données confidentielles en fonction dudit algorithme; un organe de transmission des données ainsi chiffrées; un organe de décryptage des données reçues, y compris des circuits qui réalisent l'inverse de ladite fonction dynamique; un organe d'extraction desdites données confidentielles contenues dans les données chiffrées selon ledit algorithme dynamique inverse. Ce système est destiné à être utilisé pour effectuer des transferts électroniques de fonds, par exemple pour effectuer des transactions au moyen de cartes de crédit.

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