Time and event based one time password

Details Time and event based one time password Time and event based one time password

H - Electricity

04

L

H04L 9/32 (2006.01)

Patent

CA 2649686

A system and method for generating a One Time Password (OTP) based upon a value TEC that can change based both upon the occurrence of an event and the passage of time. The OTP can be computed at a token and sent to a verifier. The verifier stores exact or estimated parameters necessary to compute one or more expected OTPs from the token, including TEC. The value TEC can be synchronized between the token and the verifier.

L'invention concerne un système et une méthode pour créer un mot de passe à usage unique (OTP) basé sur la valeur du contenu électronique total (CET) qui peut changer à la fois en fonction de l'occurrence d'un événement et de l'écoulement du temps. L'OTP peut être calculé par une unité lexicale et transmis à un vérificateur. Le vérificateur stocke les paramètres exacts ou estimés nécessaires pour calculer un ou plusieurs OTP désirés par l'unité lexicale, incluant le CET. La valeur du CET peut être synchronisée entre l'unité lexicale et le vérificateur.

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