(19)
(11) EP 2 120 392 B8

(12) CORRECTED EUROPEAN PATENT SPECIFICATION
Note: Bibliography reflects the latest situation

(15) Correction information:
Corrected version no 1 (W1 B1)

(48) Corrigendum issued on:
30.03.2016 Bulletin 2016/13

(45) Mention of the grant of the patent:
03.02.2016 Bulletin 2016/05

(21) Application number: 08710933.6

(22) Date of filing: 07.02.2008
(51) International Patent Classification (IPC): 
G06F 21/00(2013.01)
 H04L 29/06(2006.01)
(86) International application number:
PCT/JP2008/052054
(87) International publication number:
WO 2008/096825 (14.08.2008 Gazette 2008/33)

(54)

CERTIFICATE AUTHENTICATING METHOD, CERTIFICATE ISSUING DEVICE, AND AUTHENTICATION DEVICE

VERFAHREN ZUR AUTHENTIFIZIERUNG VON ZERTIFIKATEN, VORRICHTUNG ZUR AUSSTELLUNG VON ZERTIFIKATEN UND AUTHENTIFIZIERUNGSVORRICHTUNG

PROCÉDÉ D'AUTHENTIFICATION DE CERTIFICAT, DISPOSITIF DE DÉLIVRANCE DE CERTIFICAT ET DISPOSITIF D'AUTHENTIFICATION

(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR

(30) Priority: 07.02.2007 JP 2007027985

(43) Date of publication of application:
18.11.2009 Bulletin 2009/47

(73) Proprietor: Nippon Telegraph and Telephone Corporation
Tokyo 100-8116 (JP)

(72) Inventors:
  • KARASAWA, Kei
    Musashino-shi, Tokyo 180-8585 (JP)
  • KAWASHIMA, Masahisa
    Musashino-shi, Tokyo 180-8585 (JP)
  • TSURUOKA, Yukio
    Musashino-shi, Tokyo 180-8585 (JP)
  • TAKAHASHI, Kenji
    Musashino-shi, Tokyo 180-8585 (JP)
  • ORIHARA, Shingo
    Musashino-shi, Tokyo 180-8585 (JP)

(74) Representative: MERH-IP Matias Erny Reichl Hoffmann Patentanwälte PartG mbB 
Paul-Heyse-Strasse 29
80336 München
80336 München (DE)


(56) References cited: : 
WO-A-2006/032826
US-A1- 2003 142 673
 JP-A- 2006 025 010
US-A1- 2006 291 422
   
  • REN K ET AL: "Routing optimization security in mobile IPv6" COMPUTER NETWORKS, ELSEVIER SCIENCE PUBLISHERS B.V., AMSTERDAM, NL, vol. 50, no. 13, 15 September 2006 (2006-09-15), pages 2401-2419, XP025182803 ISSN: 1389-1286 [retrieved on 2006-09-15]
  • FENG BAO ROBERT DENG YING QIU NETWORK WORKING GROUP JIANYING ZHOU: "A Scheme for the Security between Mobile Node and Mobility Anchor Point in Hierarchical Mobile IPv6; draft-qiu-mipshop-mn-map-security- 00.txt" IETF STANDARD-WORKING-DRAFT, INTERNET ENGINEERING TASK FORCE, IETF, CH, 16 October 2005 (2005-10-16), XP015042984 ISSN: 0000-0004
  • AURA T ET AL: "Reducing Reauthentication Delay in Wireless Networks" SECURITY AND PRIVACY FOR EMERGING AREAS IN COMMUNICATIONS NETWORKS, 20 05. SECURECOMM 2005. FIRST INTERNATIONAL CONFERENCE ON ATHENS, GREECE 05-09 SEPT. 2005, PISCATAWAY, NJ, USA,IEEE, 5 September 2005 (2005-09-05), pages 139-148, XP010902879 ISBN: 978-0-7695-2369-9
  • MIZUNO J KOGA H OHWADA K SUZUKI Y TAKAGI NTT CORPORATION S: "PKI Support in Hierarchical Mobile IPv6; draft-mizuno-mobileip-hmipv6 pki-00.txt" IETF STANDARD-WORKING-DRAFT, INTERNET ENGINEERING TASK FORCE, IETF, CH, 1 October 2003 (2003-10-01), XP015032544 ISSN: 0000-0004
  • ISHIHARA T. ET AL.: 'Hardware Koyu Joho o Fuka shita Shomeisho ni yoru Web Ninsho System' COMPUTER SECURITY SYMPOSIUM 2001 (CSS2001) RONBUNSHU 31 October 2001, pages 223 - 228
   
Note: Within nine months from the publication of the mention of the grant of the European patent, any person may give notice to the European Patent Office of opposition to the European patent granted. Notice of opposition shall be filed in a written reasoned statement. It shall not be deemed to have been filed until the opposition fee has been paid. (Art. 99(1) European Patent Convention).