Root KSK Ceremony 45

This ceremony has been completed.

Location Root Zone Key Management Facility East
Culpeper, Virginia, USA
Ceremony Start 2022-05-12 17:00:00 UTC
Thursday 12 May 2022, 1 p.m. (local time at facility)
Objectives Sign the ZSK for 2022Q3
Reissue Crypto Officer Credentials
Replace Cryptographic Officer 3 (East)
Replace Recovery Key Share Holder 7
Destroy Hardware Security Module 4 (East)
This ceremony was held with a reduced agenda and with minimal in-person participation to limit risks associated with the COVID-19 pandemic.

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
15:30 11:30 a.m. – 12:45 p.m. Check-in and lunch for in-person attendees
17:00 1 p.m. – 3:45 p.m. Ceremony
19:45 3:45 p.m. – 4 p.m. Bio Break
20:00 4 p.m. – 6 p.m. Ceremony (Continued)
22:15 6:15 p.m. – 6:45 p.m. Debrief with in-person attendees

Ceremony Materials

File Description
KC45-Destruction_certificate.pdf (602.0 KB) Certificate of HSM4 (East) Critical Component Destruction
KC45_Script.pdf (566.8 KB) Proposed Key Signing Key Ceremony Script
KC45_Script_Annotated.pdf (14.9 MB) Annotated Key Signing Key Ceremony Script
KSK45_CAM01.mp4 (2.2 GB) Key Ceremony Audit Camera #1 Footage
KSK45_CAM02.mp4 (2.3 GB) Key Ceremony Audit Camera #2 Footage
KSK45_CAM03.mp4 (2.4 GB) Key Ceremony Audit Camera #3 Footage
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
ksrsigner-20220512-193033.log (6.1 KB) Key Signing Log (2022Q3 ZSK) from HSM5E
script-20220512.log (24.9 KB) Signing Computer Audit Log
ttyaudit-ttyS0-20220512-181632.log (111.8 KB) HSM Audit Log