Calculates a checksum of the state of all deactivated YubiKey Info data in the yubikey-val server database. This checksum can be used to easily compare the state of disabled YubiKeys in two yubikey-val servers in the same sync pool.
Database configuration is read from /etc/yubico/val/ykval-config.php
Report ykval-checksum-deactivated bugs in the issue tracker
The yubikey-val home page
YubiKeys can be obtained from Yubico.