GENERATION OF PROTECTIVE KEY FOR DOUBLE CONNECTION Russian patent published in 2017 - IPC H04L29/06 

FIELD: information technology.

SUBSTANCE: method includes generating of the auxiliary protective key for the secondary basic station, based on the anchor base station key. The generated auxiliary protective key is transmitted to the satellite base station for the use when encrypting the traffic with the data, transmitted to the wireless terminal, or when generating one or several additional auxiliary protective keys to encrypt the traffic with the data, transmitted to the wireless terminal, when the wireless terminal is connected with the double connection to the anchor base station and to the auxiliary base station. The anchor base station key or key, derived from the anchor base station key is used to encrypt the data, transmitted by the anchor base station to the wireless terminal.

EFFECT: provision of confidentiality and protection of the transmitted data integrity.

10 cl, 12 dwg