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Title:
AUTHENTICATION DEVICE, AUTHENTICATED DEVICE, AUTHENTICATION METHOD, AUTHENTICATED METHOD, AUTHENTICATION PROCESSING PROGRAM, AND AUTHENTICATED PROCESSING PROGRAM
Document Type and Number:
Japanese Patent JP2016184899
Kind Code:
A
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

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Inventors:
HANDA FUKIO
Application Number:
JP2015065090A
Publication Date:
October 20, 2016
Filing Date:
March 26, 2015
Export Citation:
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Assignee:
DAINIPPON PRINTING CO LTD
International Classes:
H04L9/32; G06F21/44; G09C1/00
Domestic Patent References:
JP2011223495A2011-11-04
JP2008258663A2008-10-23
Foreign References:
US20130160083A12013-06-20
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, vol. Ｎｏ．２００２−Ｊ−１２, JPN6018039518, 2002, pages 1 - 21, ISSN: 0003894548
Attorney, Agent or Firm:
Patent Business Corporation Intect International Patent Office
Kazuyuki Oku



 
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