INFORMATION PROCESSING DEVICE, INFORMATION PROCESSING METHOD, OPERATION TERMINAL AND INFORMATION PROCESSING SYSTEM Russian patent published in 2014 - IPC H04L9/08 

FIELD: radio engineering, communication.

SUBSTANCE: apparatus comprises: a unit which stores a key used for encrypting or decrypting data; a unit which receives a key transmission request including a key-dividing number via a wireless signal from an operation terminal; a unit which acquires a key transmission request from the wireless signal received by the reception section; a unit which determines a security level when transmitting the key to the operation terminal, as a transmission security level; a unit which determines a transmission power in accordance with the transmission security level determined by the security level determination unit and the key-dividing number included in the key transmission request acquired by the key transmission request acquisition unit; a unit which acquires each key fragment by dividing the key stored in the storage unit into the key-dividing number; and a unit which transmits the each key fragment acquired by the key acquisition unit using the transmission power determined by the transmission power determination unit, via a wireless signal to the operation terminal.

EFFECT: safer data transmission.

15 cl, 9 dwg