Schlüsselaustausch in einer Kommunikationsvorrichtung

Details

Veröffentlichungs-Nr.

EP4723547

Anmeldetag

21. September 2023

Veröffentlichung

8. April 2026

Rechtsraum

EP

IPC

H04L9/32

Abstract

There is provided techniques for key replacement in a communication device (100). A method is performed by the communication device (100). The method comprises receiving (S104) a trigger for the communication device (100) to perform the key replacement. The method comprises providing (106) a request to a DI wallet entity (200) for a verifiable presentation for the communication device (100) to perform the key replacement. The method comprises receiving (S108) the verifiable presentation from the DI wallet entity (200). The verifiable presentation comprises attributes of one or more verifiable credentials. The method comprises obtaining (S110) a new key pair, and replacing an existing key pair with the new key pair upon the communication device (100) having successfully verified the verifiable presentation. The method comprises communicating (S116) with an SP entity (300). The new key pair is used as part of the communication device (100) communicating with the SP entity (300).

Anmelder

Firma

Telefonaktiebolaget LM Ericsson (publ)

Land

🇸🇪 Schweden