METHOD FOR GENERATION OF ELECTRONIC DOCUMENT AND ITS COPIES Russian patent published in 2015 - IPC H04L9/32 G06F21/64 

FIELD: electricity.

SUBSTANCE: method for generation of electronic document and its copies consists in generating a pair of public and private keys, registering of public key at certification authority, forming the first electronic digital signature under data in electronic document by means of the private key, comparing of the first electronic digital signature featured by the fact that in electronic document the originator of this electronic documents generates own autograph, reproduces this autograph at PC display and captures it by the limiting frame; then autograph in the limiting frame is converted to a binary file with line thickness of one pixel and this binary file is united with the signed electronic file, data on size of the graphic binary file with autograph are also introduced to it, then generated data combination is signed by the second electronic digital signature.

EFFECT: enhanced protection of electronic documents.

3 cl, 1 dwg