FIELD: cryptography.
SUBSTANCE: invention relates to steganography and information encryption. Method of coding information, including incorporation of initial information in container information, characterised by that irreversible signature is used as container for fragments of information, so at encrypting, initial information is broken into fragments of same specified length, every said fragment is embedded into body of specified key row or flow at specified position and irreversible container signature of scar key row or flow, after which obtained are recorded signature in encrypted stream when decoding signature read from encrypted stream and send to sorter, sorter in cyclic sequence according to specified length fragment and set of symbols generates estimated value of fragment, after which embeds in body key row or flow at specified position and calculates signature of scar key string or stream, then compares with read from encrypted flow container signature, if signature coincide, sorter stops and returns current value of fragment, and if not, cycle is repeated with variation of expected values of fragment by one step searching, when sorters returns this value is recorded into decoded flow and read following signature of encrypted flow.
EFFECT: efficient coding and transmission of encrypted information when its decoding is impossible.
6 cl
