Method for securing an electronic certificate

H - Electricity – 04 – L

Patent

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Details

H04L 9/32 (2006.01) H04L 29/06 (2006.01)

Patent

CA 2532521

The aim of the present invention is to prevent the use of an electronic certificate by persons other than the holder and to prevent the holder from being harmed in the event of theft or duplication of a certificate. This aim is achieved by means of a method for securing and verifying an electronic certificate (C) issued by an issuing authority (AU) to a holder, wherein said certificate (C) is stored in a memory of a holder-operated user unit (PC) which transmits all part of the data of the certificate (C) to the authority (AU), characterised in that, in an initial setting stage, the authority (AU) determined a network ID (HID) specific to the user unit (PC), and the authority (AU) stores said ID (HID) together with the data of the certificate (C).

Le but de la présente invention est d'empêcher l'utilisation d'un certificat électronique par d'autres personnes que le titulaire et d'éviter tous dommages au titulaire en cas de vol ou de copie d'un certificat. Ce but est atteint par une méthode de sécurisation et de vérification d'un certificat électronique (C) délivré par une autorité (AU) à un titulaire, ledit certificat (C) étant stocké dans une mémoire d'une unité utilisateur (PC) exploitée par le titulaire, ladite unité utilisateur (PC) transmet tout ou partie des données du certificat (C) à l'autorité (AU), caractérisée en ce que, lors d'une phase d'initialisation, ladite méthode comprend les étapes suivantes: - détermination par l'autorité (AU) d'un identifiant réseau (HID) propre à l'unité utilisateur (PC), - mémorisation par l'autorité (AU) dudit identifiant (HID) en liaison avec les données du certificat (C).

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