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:
Aug. 09, 2016
Filed:
Nov. 11, 2009
Sung Woo Cho, Gwangjin-gu, KR;
Sung Woo Cho, Gwangjin-gu, KR;
OLCORPS CO., LTD, Seoul, KR;
Abstract
The present invention relates to an encrypted image with a matryoshka structure and a mutual agreement authentication system and method using the same. The encrypted image with a matryoshka structure is used in authentication in an authentication system having a plurality of layers and comprises: a first encrypted image which can be opened by only a server of any one layer of the authentication system; and a second encrypted image which can be opened by only a server of another layer distinguished from the any one layer, wherein any one sealed encrypted image of the first and second encrypted images is embedded and sealed in the other encrypted image.
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