The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 21, 2025
Filed:
Dec. 03, 2021
Softcamp Co., Ltd., Gyeonggi-do, KR;
Hwan-Kuk Bae, Gyeonggi-do, KR;
SOFTCAMP CO., LTD., Gyeonggi-do, KR;
Abstract
A hidden information-based security system includes a security agent. The security agent includes: a hidden information module configured to search for custom.xml by analyzing the source code of electronic document data executed by an operating system-based word processor unit, and to identify authority information; a content execution module configured to control the content execution of the electronic document data by the word processor unit according to the control of a security module; and the security module configured to generate hidden information, in which a security agent-dedicated fmtID is designated, by hiding custom.xml, in which authority information for security of electronic document data is configured, at a specific location in source code of the corresponding electronic document data by using a steganographic technique, and to compare the authority information with reference information and restrict an allowable range of content.