FIELD: information technology.
SUBSTANCE: method of transmitting data valid in an access terminal comprises the following steps: maintaining a list of an active set of access nodes; obtaining a temporary single-address key for each access node in the active set; creating a batch key for the active set; encrypting the batch key using the temporary single-address key for any access node from the active set; and sending the encrypted batch key to the corresponding access node using the temporary single-address key for which it was encrypted.
EFFECT: high security.
61 cl, 20 dwg
