question about pubkey and passphrase

[Fox, Kevin M]

Ultimately, any client can say whatever it wants to the server. So it would be impossible to 100% guarantee that.

________________________________________
From: openssh-unix-dev <openssh-unix-dev-bounces+kevin.fox=pnnl.gov at mindrot.org> on behalf of Harald Dunkel <harald.dunkel at aixigo.com>
Sent: Monday, February 10, 2020 6:10 AM
To: openssh-unix-dev at mindrot.org
Subject: question about pubkey and passphrase

Hi folks,

Since Docker can bind-mount every .ssh directory I am looking for
some way to forbid unprotected private keys.

AFAICS it is currently not possible on the sshd to verify that
the peer's private key was protected by a passphrase. Can you
confirm?


Regards
Harri

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