pkcs #11/hardware support for server keys/sshd?

Blumenthal, Uri - 0553 - MITLL uri at
Wed Dec 14 06:58:23 AEDT 2016

But would the *server* be able to use the keys on a PKCS#11 device (that does not let the private keys out)?

Client does it fine, I know.

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  Original Message  
From: Alon Bar-Lev
Sent: Tuesday, December 13, 2016 14:54
To: Kenny Simpson
Cc: openssh-unix-dev at
Subject: Re: pkcs #11/hardware support for server keys/sshd?

On 13 December 2016 at 21:31, Kenny Simpson <theonetruekenny at> wrote:
> I see support for client (ssh/ssh_config), but not server (sshd/sshd_config).

ok, sorry, I did not understand the question.
Have you looked into HostKeyAgent at sshd_config?
I've never tried this, but should work if you load PKCS#11 keys into the agent.

> -Kenny
> On Tue, Dec 13, 2016 at 2:29 PM, Alon Bar-Lev <alon.barlev at> wrote:
>> On 13 December 2016 at 21:00, Kenny Simpson <theonetruekenny at> wrote:
>>> Hello,
>>> Is there any support (existing or planned) for host keys/certs being
>>> managed by some hardware device (tpm,hsm,etc..) instead of a flat
>>> file?
>> man ssh
>> search for PKCS#11
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