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List:       debian-user
Subject:    Re: ssh key used for login
From:       Kushal Kumaran <kushal () locationd ! net>
Date:       2020-08-08 0:26:20
Message-ID: 87eeoi6l03.fsf () copper ! locationd ! net
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Rainer Dorsch <ml@bokomoko.de> writes:

> Hi,
>
> can anybody tell if there is a way to find out the ssh key (out of the ones 
> listed in authorized keys) was used for login to the current session?
>

See the environment="NAME=value" part in the authorized_keys(5) manpage.
You can have each entry in authorized_keys set a different value for
some variable you pick.

You may also be able to use command="command" creatively.  This is what
gitolite does: https://gitolite.com/gitolite/glssh

-- 
regards,
kushal

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