FIELD: method and device, performing encoding/decoding of data during recording or reading from recording device.
SUBSTANCE: in accordance to invention, multiple various encoding/decoding algorithms are realized with interacting keys, while one of multiple various encoding/decoding algorithms realized with interacting keys is selected and used in element of data subject to transfer to an address on data carrier or from it, while during selection of algorithm and interacting key at least two physical addresses are used, determining upper and lower address limits of addressed area, including address of data element on carrier.
EFFECT: increased protection of recording dev by encoding/decoding data, stored in addressed portions of high capacity data carrier, by means of various algorithms and encoding/decoding keys.
2 cl, 8 dwg
