WATERMARKING METHOD AND APPARATUS FOR TRACKING HACKED CONTENT AND METHOD AND APPARATUS FOR BLOCKING HACKING OF CONTENT USING THE SAME

Watermarking method and apparatus for tracking hacking and method and apparatus for blocking hacking of content are provided. The watermarking method includes: obtaining device information from a reception device, with which content is shared, through a determined network channel; generating waterma...

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Bibliographic Details
Main Authors CHA BYUNG-HO, SHIN JUN-BUM
Format Patent
LanguageEnglish
Published 25.10.2012
Subjects
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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Summary:Watermarking method and apparatus for tracking hacking and method and apparatus for blocking hacking of content are provided. The watermarking method includes: obtaining device information from a reception device, with which content is shared, through a determined network channel; generating watermark data based on the obtained device information; and generating watermarked multimedia content by inserting the generated watermark data into content. The method of blocking hacking of content includes: if hacked content is found, detecting watermark data from the hacked content; detecting transmission and reception device information from the detected watermark data; and extracting a progress route of the content based on the detected transmission and reception device information and performing revocation on a hacked device.
Bibliography:Application Number: US201213421181