Patent ID: 11089010

Abstract:
A method of secure communication between a computer server and users each having a connected computer system, comprising recording of a unique identifier of the server in the memory of a trusted server, the connected system having first and second digital communication modes, the method further comprising: the transmission of an ASC application to the connected system, the application being installed on the connected system, its execution controlling the automatic opening of a computer session with the trusted server according to the second digital communication mode, the opening of a communication session by the connected system with a server, the opening of a secured communication session by the server with the trusted server, the transmission by the server of an identifier of the connected system, the calculation by the trusted server of a time-stamped code associated with the key, the transmission of the time-stamped code by the trusted server to the connected system corresponding to the identifier transmitted by the server, via a first communication protocol, the acquisition of the time-stamped code by the connected system according to the first protocol, the opening of a communication session by the connected system according to a second protocol, with the trusted server through the application previously loaded and transmission of the acquired code, the verification of the conformity of the code transmitted by the connected system, the transmission to the system connected by the trusted server of a digital validation message including a code conformity indicator and information relating to the server associated with the validated code.