US 12,093,349 B2
Method for distributing certificate of right to use digital content, and computer program stored in medium in order to carry out method
Hyun Chul Seo, Seoul (KR)
Assigned to VICLIP INC., Seoul (KR)
Filed by VICLIP INC., Seoul (KR)
Filed on Oct. 8, 2021, as Appl. No. 17/497,516.
Application 17/497,516 is a continuation of application No. PCT/KR2020/004893, filed on Apr. 10, 2020.
Claims priority of application No. 10-2019-0042181 (KR), filed on Apr. 10, 2019.
Prior Publication US 2022/0067125 A1, Mar. 3, 2022
Int. Cl. H04L 29/06 (2006.01); G06F 21/10 (2013.01)
CPC G06F 21/10 (2013.01) 9 Claims
OG exemplary drawing
 
1. A method of distributing a certificate of right to use digital content as much as an amount of issuance, the method comprising:
determining, by a content management server, the amount of issuance of the certificate of right to use digital content;
accessing, by the content management server, a block chain system to generate blocks as many as the amount of issuance corresponding to the amount of issuance in accordance with the certificate of right to use the digital content through the block chain system and to add the blocks to the block chain system;
receiving, by the content management server, data including key values of the generated blocks as many as the amount of issuance;
generating, by the content management server, authentication certificates including each key value as many as the amount of issuance in connection with the digital content;
receiving, by the content management server, from a first user terminal a request to load a digital content;
receiving, by the content management server, first authentication certificate linked with the certificate of right to use digital content from the first user terminal such that the digital content is stored in a content folder of the first user terminal;
transmitting, by the content management server, the first authentication certificate to the block chain system;
receiving, by the content management server, information about whether first block corresponding to the first authentication certificate exists in the block chain system and determining a validity of the digital content stored in the first user terminal using the information; and
providing, by the content management server, a screen displaying a display area of digital content of the certificate of right to use when the first block exists or processing the digital content not to be played when the first block does not exist.