FIELD: information technology.
SUBSTANCE: method includes transmitting, after successful registration of a terminal at a network entity, a registration message containing terminal identification information and integrity indication information indicating affirmative integrity of the terminal identification information; and a method comprising processing the received registration message based on the terminal identification information and the integrity indication information such that, i) if the integrity is indicated affirmative, an authentication procedure of the terminal is skipped, or, ii) if the integrity is indicated negative, the received registration message is rejected without providing key information related to registration of the terminal.
EFFECT: efficient protection of identification information.
29 cl, 3 dwg
