You can use yubi&#x27;s PAM modules in conjunction with SSH PAM auth, no need to patch OpenSSH.<p><a href="https:&#x2F;&#x2F;developers.yubico.com&#x2F;yubico-pam&#x2F;" rel="nofollow">https:&#x2F;&#x2F;developers.yubico.com&#x2F;yubico-pam&#x2F;</a>