Method, a system and a biometric server for controlling access of users to desktops in an organization

A control access system for controlling access of users to desktops in an organization, comprising:

• 1. a plurality of desktops in which a user can request an access;
• 2. an organization server arranged for verifying if the user is authorized to access a desktop of the plurality of desktops, and for returning a pseudo of the user;
• 3. a biometric server distinct from said organization server;
• 4. a biometric scanner arranged for letting the user scan a pattern of fingerveins of one finger, said biometric scanner comprising a plurality of cameras at different angles around the finger, resulting in a plurality of images of said pattern, said biometric scanner further comprising a processing system arranged for encrypting a file corresponding to said images with a public key of said biometric server, for signing said file with a private key of said biometric scanner, and for sending the encrypted and signed file to one said desktop;
• 5. one of said desktops being further arranged for forwarding said encrypted and signed file to said biometric server;
• 6. said biometric server being further arranged for decrypting the received file with its private key, for verifying the signature of the biometric scanner, and for matching the received images in said file with reference images associated with said pseudo;
• 7. the biometric server being further arranged for deciding based on the result of this match if the recognition succeeded, failed, or if an additional scan is needed.