There is the HostKeyAgent configuration directive, which communicates over a unix domain socket to make signing requests. https://framkant.org/2017/10/strong-a

There is the HostKeyAgent configuration directive, which communicates over a unix domain socket to make signing requests. https://framkant.org/2017/10/strong-authentication-openssh-hosts-using-hardware-tokens/ https://framkant.org/2017/10/strong-authentication-openssh-h...