Abstract:
The invention relates to a method for determining anonymously a given user's data among a plurality of user's data in a network, said network comprising a server, a gateway, said user's data adapted to be exchanged between the gateway (20) and the server (10), said gateway (20) comprising a secure element (22), characterized in that it comprises sending public keys of the gateway associated to each user's data to the server and sending to the gateway public keys of the server associated to each user's data.