(19)
(11) EP 3 146 670 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:
22.09.2021 Bulletin 2021/38

(45) Mention of the grant of the patent:
18.08.2021 Bulletin 2021/33

(21) Application number: 15795660.8

(22) Date of filing: 22.05.2015
(51) International Patent Classification (IPC): 
G09C 1/00(2006.01)
H04L 9/08(2006.01)
H04L 9/32(2006.01)
H04L 9/30(2006.01)
(52) Cooperative Patent Classification (CPC):
G09C 1/00; H04L 9/3218; H04L 63/045; H04L 9/3066; H04L 9/3278; H04L 9/3247; H04L 9/0866; H04L 63/061; H04L 9/0825
(86) International application number:
PCT/US2015/032320
(87) International publication number:
WO 2015/179849 (26.11.2015 Gazette 2015/47)

(54)

NETWORK AUTHENTICATION SYSTEM WITH DYNAMIC KEY GENERATION

NETZWERKAUTHENTIFIZIERUNGSSYSTEM MIT GENERIERUNG DYNAMISCHER SCHLÜSSEL

SYSTÈME D'AUTHENTIFICATION DE RÉSEAU DOTÉ D'UNE FONCTION DE GÉNÉRATION DE CLÉ DYNAMIQUE


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

(30) Priority: 22.05.2014 US 201462001979 P

(43) Date of publication of application:
29.03.2017 Bulletin 2017/13

(73) Proprietor: Analog Devices, Inc.
Wilmington, MA 01887 (US)

(72) Inventors:
  • WALSH, John
    Lutz, Florida 33558 (US)
  • WALLRABENSTEIN, John Ross
    West Lafayette, Indiana 47906 (US)
  • TIMKO, Charles
    West Lafayette, Indiana 47906 (US)

(74) Representative: Wallin, Nicholas James 
Withers & Rogers LLP 4 More London Riverside
London SE1 2AU
London SE1 2AU (GB)


(56) References cited: : 
KR-A- 20090 104 421
US-A1- 2009 063 860
US-B1- 8 667 265
US-A1- 2007 036 353
US-A1- 2010 122 093
   
  • FEI SHAO ET AL: "A Non-interactive Deniable Authentication Protocol based on Elliptic Curve Discrete Logarithm Problem", ENERGY PROCEDIA, vol. 11, 1 January 2011 (2011-01-01), pages 1018-1025, XP028352720, ISSN: 1876-6102, DOI: 10.1016/J.EGYPRO.2011.10.351 [retrieved on 2011-12-26]
  • SHAO Z ED - MISHRA ALOK ET AL: "Efficient deniable authentication protocol based on generalized ElGamal signature scheme", COMPUTER STANDARDS AND INTERFA, ELSEVIER SEQUOIA. LAUSANNE, CH, vol. 26, no. 5, 1 September 2004 (2004-09-01), pages 449-454, XP004505836, ISSN: 0920-5489, DOI: 10.1016/J.CSI.2003.11.001
  • None
   
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).