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. 04, 2000
Filed:
May. 17, 1996
Applicant:
Inventors:
Keum Hyug Ahn, Seoul, KR;
Yun Ho Lee, Seoul, KR;
Ill Hwan Park, Seoul, KR;
Chung Ryong Jang, Seoul, KR;
Assignee:
Korea Telecommunication Authority, Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04K / ; H04L / ;
U.S. Cl.
CPC ...
380 28 ; 380 25 ;
Abstract
An identification scheme, a digital signature scheme giving message recovery, and a digital signature scheme with appendix are disclosed. In processing and transmitting information, a transmitting counterpart of a transmission message is confirmed. The unauthorized modification of the message is confirmed and transmitting behavior is detected, thereby providing the reliable information service.