Binding a digital certificate to multiple trust domains

Details Binding a digital certificate to multiple trust domains Binding a digital certificate to multiple trust domains

H - Electricity

04

L

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

Patent

CA 2712242

A public key infrastructure comprising a participant that issues digital certificates. Each digital certificate can be relied upon in at least two different trust domains. The public key infrastructure does not employ policy mapping between or among the trust domains. Furthermore, the public key infrastructure does not link any pair of trust domains via cross- certificates. Just one trust domain is bound to the digital certificate at any given moment. The current trust domain that is to be bound to the digital certificate is elected by a relying party at the time of reliance, based upon a specific certificate validation methodology selected by the relying party.

L'invention concerne une infractrusture de clé publique dans laquelle un participant génère des certificats numériques. Chaque certificat numérique peut être fiable dans au moins deux domaines de confiance différents. L'infrastructure de clé publique n'utilise pas de mise en correspondance entre ou parmi les domaines de confiance. De plus, l'infrastructure de clé publique ne relie aucune paire de domaines de confiance via des certificats croisés. Seul un domaine de confiance est relié au certificat numérique à un moment donné quelconque. Le domaine de confiance courant destiné à être relié au certificat numérique est choisi par un tiers de confiance lors de la période de confiance, selon un procédé de validation de certificat spécifique sélectionné par le tiers de confiance.

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