Title:
STREAM CIPHER-BASED IMAGE SECURITY METHOD USING ZERO-WATERMARKING, SERVER, AND COMPUTER READABLE RECORDING MEDIUM
Document Type and Number:
WIPO Patent Application WO/2020/111403
Kind Code:
A1
Abstract:
A stream cipher-based image security method using zero-watermarking comprises the steps of: acquiring information relating to an image including a first to an Nth (N is a natural number larger than or equal to 1) image frame; generating, on the basis of a counter mode of a block cipher, ciphered image frames corresponding to the first to the Nth image frame, respectively; and generating watermark keys corresponding to the first to the Nth image frame, respectively.
Inventors:
KIM DAE-SOO (KR)
PARK YUN-HA (KR)
PARK YUN-HA (KR)
Application Number:
PCT/KR2019/004668
Publication Date:
June 04, 2020
Filing Date:
April 18, 2019
Export Citation:
Assignee:
WOOKYOUNG INFORMATION TECH CO LTD (KR)
International Classes:
H04N21/8358; G06F21/60; G06F21/62
Foreign References:
| KR101677110B1 | 2016-11-17 | |||
| KR20180081469A | 2018-07-16 | |||
| KR101690050B1 | 2016-12-27 | |||
| KR20140094163A | 2014-07-30 | |||
| KR20150124087A | 2015-11-05 |
Attorney, Agent or Firm:
IPCJ PATENT & LAW FIRM (KR)
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