Patent ID: 8752188
Filing Date: 2014-06-10
Classification: G06F

Abstract:
1. An apparatus for forensic marking of digital content, comprising: a forensic marker configured to generate first content by inserting a first binary forensic mark in original content and second content by inserting a second binary forensic mark in the original content, and when a content service request is generated, combine the first content and the second content on the basis of information about a user who has requested the content service and thereby generate third content in which a forensic mark corresponding to the user information is inserted, wherein the forensic marker generates the first and second content by inserting the first and second binary forensic marks all over the original content, respectively, and the first and second content comprises multiple pieces of content in which at least one of the first and second binary forensic marks is inserted; a content database configured to store the first and second content; and a transceiver configured to transmit the third content.