---
name: "ykval-checksum-deactivated"
section: "1"
platform: "linux"
package: "yubikey-val"
version: "2.38-2"
release: "Debian 10 (Buster)"
platforms: ["linux"]
url: "https://new.carta.tech/ykval-checksum-deactivated"
---

# ykval-checksum-deactivated(1)

Calculate a checksum of deactivated YubiKeys

## NAME

ykval-checksum-deactivated - Calculate a checksum of deactivated YubiKeys

## SYNOPSIS

**ykval-checksum-deactivated**

## DESCRIPTION

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

## BUGS

Report ykval-checksum-deactivated bugs in the issue tracker ⟨URL: https://github.com/Yubico/yubikey-val/issues ⟩

## SEE ALSO

[**ykval-checksum-clients**(1)](/ykval-checksum-clients/1.md)

The yubikey-val home page ⟨URL: https://github.com/Yubico/yubikey-val ⟩

YubiKeys can be obtained from Yubico ⟨URL: https://www.yubico.com/ ⟩.