Access control using attributes contained within public key...

H - Electricity – 04 – L

Patent

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Details

H04L 29/06 (2006.01) H04L 12/22 (2006.01)

Patent

CA 2339946

In Public Key Infrastructure ("PKI") applications, a key pair (public key and private key) is used to provide strong authentication and encryption services. The key pair is associated with the user by the use of a "certificate," which contains the user's public key as well as attributes associated with that user. This invention relates to the use of these attributes to control the access to a protected resource given to authenticated users. The attributes within a user's public key certificate are filtered by an attribute filter referenced by the proxy definition in order to control access to a protected resource. Further limitation of access to a protected resource is accomplished by association with server input and output addresses.

Dans des applications à infrastructure à clés publiques (ICP), on utilise une paire de clés (une clé publique et une clé privée) pour fournir des services à authentification et au chiffrement forts. La paire de clés est associée à un utilisateur grâce à l'utilisation d'un "certificat" qui contient la clé publique de l'utilisateur ainsi que les attributs associés à cet utilisateur. L'invention se rapporte à l'utilisation de ces attributs pour commander l'accès à une ressource protégée, accordée aux utilisateurs authentifiés. Les attributs contenus dans le certificat de clé publique de l'utilisateur sont filtrés par un filtre d'attributs référencé par la définition du mandataire pour contrôler l'accès à la ressource protégée. Une limitation supplémentaire de l'accès à une ressource protégée se fait par association avec des adresses d'entrée et de sortie du serveur.

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