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:
Apr. 26, 2016
Filed:
Jul. 04, 2012
Kyung-joo Suh, Seoul, KR;
Young-hoon Park, Seoul, KR;
Seung-woo Seo, Seoul, KR;
Dong-hyun Je, Seoul, KR;
Beom-sik Bae, Suwon-si, KR;
Young-kyo Baek, Seoul, KR;
Sung-ho Choi, Suwon-si, KR;
Sang-soo Jeong, Suwon-si, KR;
Kyung-Joo Suh, Seoul, KR;
Young-Hoon Park, Seoul, KR;
Seung-Woo Seo, Seoul, KR;
Dong-Hyun Je, Seoul, KR;
Beom-Sik Bae, Suwon-si, KR;
Young-Kyo Baek, Seoul, KR;
Sung-Ho Choi, Suwon-si, KR;
Sang-Soo Jeong, Suwon-si, KR;
Samsung Electronics Co., Ltd., Suwon-si, KR;
SNU R&DB Foundation, Seoul, KR;
Abstract
Provided is a method for managing a group key in a key distribution center. The method includes: receiving a key request from a mobile device; generating a private key for the mobile device using information about a withdrawal time included in the key request; generating a public key and a verification key for the mobile device; and transmitting at least one key including the generated key to the mobile device.