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.

Date of Patent:
Oct. 04, 2011

Filed:

Nov. 02, 2007
Applicants:

Seung-hyun Kim, Daegu, KR;

Jong-hyouk Noh, Daejeon, KR;

Sang-rae Cho, Daejeon, KR;

Yeong-sub Cho, Daejeon, KR;

Dae-seon Choi, Daejeon, KR;

Seung-hun Jin, Daejeon, KR;

Kyo IL Chung, Daejeon, KR;

Inventors:

Seung-Hyun Kim, Daegu, KR;

Jong-Hyouk Noh, Daejeon, KR;

Sang-Rae Cho, Daejeon, KR;

Yeong-Sub Cho, Daejeon, KR;

Dae-Seon Choi, Daejeon, KR;

Seung-Hun Jin, Daejeon, KR;

Kyo Il Chung, Daejeon, KR;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G06F 21/00 (2006.01); H04L 9/32 (2006.01); H04K 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

Provided is a certificate transmission server transmitting a certificate stored in a fixed terminal to a mobile terminal, a system including the same, and a method using the same. The method includes forming a security channel to the mobile terminal and performing authentication of the mobile terminal, forming a security channel to the fixed terminal and performing authentication of the fixed terminal, and if the authentication of the mobile terminal and the fixed terminal is successful, receiving the certificate from the fixed terminal and transmitting the certificate to the mobile terminal. Accordingly, authentication of a mobile terminal and a fixed terminal can be performed by a certificate transmission server, and the certificate can be transmitted by establishing a safe communication channel.


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