Title:
認証装置、被認証装置、認証方法、被認証方法、認証処理プログラム、及び被認証処理プログラム
Document Type and Number:
Japanese Patent JP6432417
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide an authentication device, authenticated device, authentication method, authenticated method, authentication processing program, and authenticated processing program that can improve safety against spoofing or the like even if an attacker stores pairs of a challenge and a response.SOLUTION: A communication device T1 and a communication device T2 have stored the same random number table, safely update the random number table on a timely basis by only transmitting and receiving an index, and furthermore hand over a challenge value by index.SELECTED DRAWING: Figure 4
Inventors:
Handa Tomio
Application Number:
JP2015065090A
Publication Date:
December 05, 2018
Filing Date:
March 26, 2015
Export Citation:
Assignee:
Dai Nippon Printing Co.,Ltd.
International Classes:
H04L9/32; G06F21/44; G09C1/00
Domestic Patent References:
| JP2011223495A | ||||
| JP2008258663A |
Foreign References:
| US20130160083 |
Other References:
松本勉,他,インターネットを利用した金融サービスの安全性について,日本銀行金融研究所ディスカッション・ペーパー・シリーズ,日本銀行,2002年,No.2002-J-12,pp.1-21,[2010年6月21日検索],インターネット,URL,http://www.imes.boj.or.jp/japanese/jdps/2002/02-J-12.pdf
Attorney, Agent or Firm:
Patent Business Corporation Intect International Patent Office
Kazuyuki Oku
Kazuyuki Oku