Protected distribution protocol for keying and certificate...

G - Physics – 06 – F

Patent

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Details

G06F 1/00 (2006.01) H04L 9/08 (2006.01) H04L 9/30 (2006.01) H04L 9/32 (2006.01)

Patent

CA 2149744

Disclosed is a computer system and a method for the protected distribution of certificate and keying material between a certification authority and at least one entity in the certification authority's domain, comprising the steps of sending keying material, including a password, generated by the Certifying Authority to the entity via a secure medium; generating and protecting, by the entity, a public and a private key pair using the keying material provided it by the certifying authority; generating, protecting and sending a request for a certificate to the certifying authority using the keying material provided it by the certifying authority; requesting, by the certifying authority, that the public key and address of the entity be sent to the certifying authority; protecting and sending the public key and address of the entity to the certifying authority using the keying material provided it by the certifying authority; assembling and issuing the certificate to the entity from the certifying authority and recording the public key of the entity at the certifying authority for public use within the domain of the certifying authority.

Système informatique et procédé destinés à la distribution protégée d'éléments d'authentification et de codage entre une autorité d'authentification et au moins une entité appartenant au domaine soumis au contrôle de ladite autorité. Ce procédé comprend les étapes suivantes: l'autorité d'authentification expédie à l'entité, par l'intermédiaire d'un support protégé, des éléments de codage, comprenant un mot de passe, générés par ladite autorité; l'entité génère et protège une paire de codes public et privé obtenus au moyen des éléments de codage fournis par l'autorité d'authentification; l'entité génère, protège et transmet à l'autorité une requête d'attestation d'authentification au moyen des éléments de codage fournis par ladite autorité; cette dernière demande à l'entité de lui transmettre le code public et l'adresse de l'entité; l'entité protège et transmet le code public et l'adresse requis à l'autorité au moyen des éléments de codage fournis par cette dernière; l'autorité compose et délivre l'attestation requise à l'entité, et enregistre le code public de l'entité afin qu'il soit admis à un usage public dans le domaine de l'autorité d'authentifiaction.

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