FIELD: information technologies.
SUBSTANCE: end user of device (10) of user station in system of authentication requests access to protected information, besides system comprises facility (20) of access server and facility (30) of authentication, and device (10) of user station maintains communication with facility (30) of authentication along the first channel of communication in radio communication network (40). Additionally, it maintains communication with facility (30) for authentication along the second communication channel. Specified facility (30) of authentication is arranged with the possibility to maintain the first mode of authentication and the second mode of authentication along specified second communication channel, and additionally it comprises solving facility to select whether the first or second mode of authentication shall be used and/or when the first or second mode of authentication shall be used for user station device (10), which requests access to protected information.
EFFECT: reduced interaction with end user.
27 cl, 8 dwg
