Kryptographisch Verknüpfte Identitäten

Details

Veröffentlichungs-Nr.

EP4712404

Anmeldetag

18. August 2020

Veröffentlichung

18. März 2026

Rechtsraum

EP

IPC

H04L9/08, H04L9/32, H04L9/00H04L9/00

Abstract

A computer-implemented method of verifying a link between a first party and a second party, the method being performed by a third party and comprising: obtaining, from the second party, i) a message signed with a first signature based on a first private key of the second party, and ii) a first public key corresponding to the first private key; obtaining, from the second party, iii) the message signed with a second signature based on a second private key of the second party, and iv) a second public key corresponding to the second private key; obtaining, from the first party, v) the message signed with a third signature based on a shared private key known only to the first party and the second party, and a corresponding shared public key; and determining whether the second public key of the second party has been generated based on the first public key of the second party and the shared public key.

Anmelder

Firma

nChain Licensing AG

Land

🇨🇭 Schweiz