SAFETY BINDING FUNCTION IN 5G-SYSTEMS Russian patent published in 2020 - IPC G06F21/62 H04W12/04 H04W12/06 

FIELD: computer equipment.

SUBSTANCE: method for supporting processing of a serving access and mobility management function for user equipment comprises steps, sending, from the target access control and mobility management function, a context request to the initial access and mobility management function; and receiving, in said target access control and mobility management function, a context in response to the initial access control and mobility control function; said context contains a parameter, which identifies access control function and mobility of security binding function; wherein said function of controlling access and mobility of the security binding function is an access and mobility management function which stores a key, which is shared with said user equipment.

EFFECT: technical result consists in improvement of security during authentication procedure after change of function of access and mobility control.

38 cl, 26 dwg