Method and system for granting access to information for...

Details Method and system for granting access to information for... Method and system for granting access to information for...

H - Electricity

04

L

H04L 12/22 (2006.01) H04L 9/08 (2006.01) H04L 9/30 (2006.01) H04L 12/16 (2006.01)

Patent

CA 2315933

The present invention provides a method and a system that enables an information provider or a vendor to manage group-assigned information, and control access to the information using a reduced number of encryption/decryption keys are used for protecting the information so that that information handling devices are not overburdened. The information could contain pricing, warranty, and other suitable information. An aspect of the invention provides a controlled access catalog accessible by members of authorized groups. The following is stored: identification of authorized groups; identification of selected catalog items and group information for the authorized groups; a private key for each authorized group for encrypting group information for each group respectively; a public key for each authorized group for decrypting encrypted group information, the public key corresponding respectively to the private key of the authorized group; and, an authenticator for granting access to the public key of each authorized group for decrypting encrypted group information for members of the authorized groups.

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