Root KSK Ceremony 48

This ceremony has been completed.

Location Root Zone Key Management Facility West
El Segundo, California, USA
Ceremony Start 2023-02-01 21:00:00 UTC
Wednesday 1 February 2023, 1 p.m. (local time at facility)
Objectives Sign the ZSK for 2023Q2
Replace Cryptographic Officer 2 (West)
Reissue Crypto Officer Credentials
Introduce Hardware Security Module 7W

Rewatch the ceremony

This is an archive of the live online broadcast provided during the ceremony. Formal audit footage and other materials from the ceremony are posted separately below.


This timeline is a rough guide only. We endeavour to adhere to the advertised start time, but the length of ceremonies varies. Note that the following day is held as a backup date in case the ceremony can not be conducted as scheduled.

Time (UTC) Time (Ceremony) Agenda
21:00 1 p.m. – 6 p.m. Ceremony

Ceremony Materials

File Description
KC48_Script.pdf (314.1 KB) Proposed Key Signing Key Ceremony Script
coen-0.4.0-amd64.iso (238.3 MB) Signing Computer Operating System Image Release coen-0.4.0
coen-0.4.0-amd64.iso.sha256 (87 bytes) Signing Computer Operating System Image Release coen-0.4.0 SHA-256 Hash