Communication technology between application program and server to realize service

摘要

The invention relates to a method of communication between an application executing a service on a user device (10) and a master server (20). When trying to establish the first secure communication, the consistency of the public key certificate transmitted by the master server is checked according to the reference certificate of the master server, This compliance check requires the establishment of a secure communication facility. When the public key certificate transmitted by the master server is not controlled,A second secure communication is established with the update server (21), which checks the consistency of the public key certificate transmitted from the update server according to the reference certificate of the update server. Once a second secure communication is established, an updated reference certificate from the master server will be received, which will be used by the client application when establishing a new secure communication with the master server.Abstract figure: Figure 1