FIELD: information technologies.
SUBSTANCE: method and system are proposed to sign short messages, as well as device of short messages processing. Device of short messages processing receives short message of sender, extracts sender's number from received message, extracts signature of short message corresponding to number of sender from service data base in compliance with sender's number, adds extracted signature into short message and sends signed short message to receiver.
EFFECT: quick provision of valid information on sender.
20 cl, 11 dwg
