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
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