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:
Mar. 02, 2010

Filed:

Aug. 26, 2005
Applicants:

Keisuke Takemori, Kamifukuoka, JP;

Yutaka Miyake, Kamifukuoka, JP;

Toshiaki Tanaka, Kamifukuoka, JP;

Takamasa Isohara, Tokyo, JP;

Iwao Sasase, Yokohama, JP;

Inventors:

Keisuke Takemori, Kamifukuoka, JP;

Yutaka Miyake, Kamifukuoka, JP;

Toshiaki Tanaka, Kamifukuoka, JP;

Takamasa Isohara, Tokyo, JP;

Iwao Sasase, Yokohama, JP;

Assignees:

KDDI Corporation, Tokyo, JP;

KEIO University, Tokyo, JP;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G06F 7/04 (2006.01); G06F 15/16 (2006.01); G06F 17/30 (2006.01); H04L 29/06 (2006.01);
U.S. Cl.
CPC ...
Abstract

A communication system and a security assurance device are proposed, which are capable of assuring that a target party for communication is implementing security countermeasures. A servertransmits informationnecessary for AC issuance to a security assurance authority. The security assurance authorityverifies the security of the serverduring communication based upon this information necessary for AC issuance. And, when the security of the serverduring communication is confirmed, the security assurance authorityissues an ACwhich proves the security of the serverduring communication, and transmits it to the server. Upon receipt of this AC, the servertransmits the ACto a client, according to a connection request from the client. And, upon receipt of this AC, the clientverifies the security during communication of the server, based upon the AC


Find Patent Forward Citations

Loading…