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:
Jul. 17, 2018
Filed:
Feb. 23, 2016
Applicant:
Electronics and Telecomiviunications Research Institute, Daejeon, KR;
Inventors:
Keonwoo Kim, Daejeon, KR;
Taek-Young Youn, Daejeon, KR;
Ku Young Chang, Daejeon, KR;
Nam-Su Jho, Daejeon, KR;
Assignee:
ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE, Daejeon, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 29/06 (2006.01); G06F 17/30 (2006.01); H04L 9/32 (2006.01);
U.S. Cl.
CPC ...
G06F 17/30371 (2013.01); H04L 9/3242 (2013.01); H04L 63/0428 (2013.01); H04L 2209/24 (2013.01);
Abstract
In a client, an encryption key is created using plain text data, a first tag is created using the encryption key, and the plain text data are encrypted under the encryption key to create encrypted data. The first tag is transmitted to the server to confirm whether the encrypted data is duplicated and after transmitting the first tag, the encrypted data is transmitted to the server in accordance with the request of the encrypted data from the server.