(19)
(11) EP 3 133 766 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:
12.08.2020 Bulletin 2020/33

(45) Mention of the grant of the patent:
17.06.2020 Bulletin 2020/25

(21) Application number: 15181508.1

(22) Date of filing: 19.08.2015
(51) International Patent Classification (IPC): 
H04L 9/08(2006.01)

(54)

COMMUNICATION DEVICE AND METHOD FOR PERFORMING ENCRYPTED COMMUNICATION IN MULTIPOINT NETWORKS

KOMMUNIKATIONSVORRICHTUNG UND VERFAHREN ZUR DURCHFÜHRUNG VON VERSCHLÜSSELTER KOMMUNIKATION IN MEHRPUNKTNETZWERKEN

DISPOSITIF DE COMMUNICATION ET PROCÉDÉ POUR EFFECTUER UNE COMMUNICATION CRYPTÉE DANS DES RÉSEAUX MULTIPOINTS

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

(43) Date of publication of application:
22.02.2017 Bulletin 2017/08

(73) Proprietor: Rohde & Schwarz SIT GmbH
12489 Berlin (DE)

(72) Inventors:
  • Graubner, Andreas
    12487 Berlin (DE)
  • Röhrich, Stefan
    10437 Berlin (DE)
  • Heep, Bernhard
    10245 Berlin (DE)

(74) Representative: Körfer, Thomas 
Mitscherlich PartmbB Patent- und Rechtsanwälte Sonnenstrasse 33
80331 München
80331 München (DE)


(56) References cited: : 
EP-A2- 0 405 215
EP-A2- 1 119 132
US-A1- 2010 042 841
 EP-A2- 0 669 741
US-A1- 2009 235 075
   
  • "Chapter 13: Key Management Techniques ED - Menezes A J; Van Oorschot P C; Vanstone S A", HANDBOOK OF APPLIED CRYPTOGRAPHY; [CRC PRESS SERIES ON DISCRETE MATHEMATICES AND ITS APPLICATIONS], CRC PRESS, BOCA RATON, FL, US, PAGE(S) 543 - 590 , 1 October 1996 (1996-10-01), XP001525013, ISBN: 978-0-8493-8523-0 Retrieved from the Internet: URL:http://www.cacr.math.uwaterloo.ca/hac/
  • "Chapter 12: Key Establishment Protocols ED - Menezes A J; Van Oorschot P C; Vanstone S A", HANDBOOK OF APPLIED CRYPTOGRAPHY; [CRC PRESS SERIES ON DISCRETE MATHEMATICES AND ITS APPLICATIONS], CRC PRESS, BOCA RATON, FL, US, PAGE(S) 489 - 541 , 1 October 1996 (1996-10-01), XP001525012, ISBN: 978-0-8493-8523-0 Retrieved from the Internet: URL:http://www.cacr.math.uwaterloo.ca/hac/
  • HUIJIE LI ET AL: "GKDA: A Group-Based Key Distribution Algorithm for WiMAX MBS Security", 1 January 2006 (2006-01-01), ADVANCES IN MULTIMEDIA INFORMATION PROCESSING - PCM 2006 LECTURE NOTES IN COMPUTER SCIENCE;;LNCS, SPRINGER, BERLIN, DE, PAGE(S) 310 - 318, XP019047708, ISBN: 978-3-540-48766-1
   
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).