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This document describes how to configure a sigul client. For more information on sigul, please see User:Mitr.


  • Install sigul and its dependencies. It is available in both Fedora and EPEL:
    # yum install sigul 
  • Ensure that your koji certificate and the Fedora CA certificates are present on the system that you're running the sigul client from at the following locations:
    • ~/.fedora.cert
    • ~/.fedora-server-ca.cert
    • ~/.fedora-upload-ca.cert
  • admin privileges on koji are required to write signatures.
  • If you are running RHEL 6, add 'export NSS_HASH_ALG_SUPPORT=+MD5' to your ~/.bashrc.


  1. Run sigul_setup_client
  2. Choose a password for your NSS database. By default this will be stored on-disk in ~/.sigul/client.conf.
  3. Choose an export password. You will only need to remember it until finishing sigul_setup_client.
  4. Enter the DB password you chose earlier, then the export password. You should see the message "pk12util: PKCS12 IMPORT SUCCESSFUL"
  5. Enter the DB password again. You should see the message "Done".
  6. Assuming that you are running the sigul client within phx2, edit ~/.sigul/client.conf to include the following lines:
    bridge-hostname: sign-bridge1
    server-hostname: sign-vault1

Configuration for Secondary Architectures

All steps remain the same, however you will need admin privileges on your secondary koji instance (not primary's). When editing ~/sigul/client.conf, use:

bridge-hostname: secondary-signer
server-hostname: secondary-signer-server

# Config file used to connect to the Koji hub
; koji-config: ~/.koji/config
# # Recognized alternative instances
koji-instances: ppc s390 arm

koji-config-ppc: /etc/koji/ppc-config
koji-config-s390: /etc/koji/s390-config
koji-config-arm: /etc/koji/arm-config

Updating your Fedora certificate

When your Fedora certificate expires, after updating it run the following commands:

$ certutil -d ~/.sigul -D -n sigul-client-cert
$ NSS_HASH_ALG_SUPPORT=+MD5 sigul_setup_client