Global Patent Index - EP 4327506 A1

EP 4327506 A1 20240228 - MANAGING KEYS FOR SECURE COMMUNICATION BETWEEN COMMUNICATION SUBSCRIBERS VIA A SEPARATE COMMUNICATION CHANNEL

Title (en)

MANAGING KEYS FOR SECURE COMMUNICATION BETWEEN COMMUNICATION SUBSCRIBERS VIA A SEPARATE COMMUNICATION CHANNEL

Title (de)

VERWALTEN VON SCHLÜSSELN FÜR EINE SICHERE KOMMUNIKATION ZWISCHEN KOMMUNIKATIONSTEILNEHMERN ÜBER EINEN GETRENNTEN KOMMUNIKATIONSKANAL

Title (fr)

GESTION DE CLÉS POUR UNE COMMUNICATION SÉCURISÉE ENTRE DES ABONNÉS DE COMMUNICATION PAR L'INTERMÉDIAIRE D'UN CANAL DE COMMUNICATION SÉPARÉ

Publication

EP 4327506 A1 20240228 (DE)

Application

EP 22735346 A 20220609

Priority

  • DE 102021206755 A 20210629
  • EP 2022065679 W 20220609

Abstract (en)

[origin: WO2023274678A1] The invention relates to a method and a system (1) for managing keys for secure communication between a plurality of communication subscribers (2, 4, 6). In the method, the secure communication is carried out (C, CC) via a first communication channel (10) between the plurality of communication subscribers (2, 4, 6). Communication for managing keys via a second communication channel (20), which is separate from the first communication channel (10), is carried out (B, BB) between a first communication subscriber (4, 6) of the plurality of communication subscribers, which comprises a client device (14, 16), and a key management server device (22).

IPC 8 full level

H04L 9/08 (2006.01)

CPC (source: EP)

H04L 9/0827 (2013.01); H04L 2209/84 (2013.01)

Designated contracting state (EPC)

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

Designated extension state (EPC)

BA ME

Designated validation state (EPC)

KH MA MD TN

DOCDB simple family (publication)

DE 102021206755 A1 20221229; EP 4327506 A1 20240228; WO 2023274678 A1 20230105

DOCDB simple family (application)

DE 102021206755 A 20210629; EP 2022065679 W 20220609; EP 22735346 A 20220609