Patent ID: 11936777
Assignee: BEIJING UNIVERSITY OF POSTS AND TELECOMMUNICATIONS
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 5:
6. The method of claim 5, wherein, generating, by the QKD receiver, two QKD transmitters corresponding to the source ONU and the destination ONU of the key request and the quantum relay, at least one secret-key in the SKP period comprises:
in the time slots allocated to the key request,
generating, by the QKD receiver, the two QKD transmitters corresponding to the source ONU and the destination ONU of the key request, secret-keys between the OLT and the source ONU and the destination ONU according to the quantity of secret-keys required by the source ONU; and
performing, by the quantum relay, an exclusive OR operation on the secret-keys generated between the OLT and the source ONU and the destination ONU to generate secret-keys between the source ONU and the destination ONU.