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Date:      Tue, 5 Jan 2021 16:57:03 -0500
From:      mike tancsa <mike@sentex.net>
To:        FreeBSD Questions <freebsd-questions@freebsd.org>
Subject:   OpenSSH and U2F
Message-ID:  <50bc8798-1699-5db9-11df-a16ef8abd66f@sentex.net>

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Hi all,

=C2=A0=C2=A0=C2=A0 I am trying to get my Yubi Key working on FreeBSD like=
 I do on MacOS
and OpenSSH.=C2=A0 On it, its super easy to generate and use the key as 2=
FA auth.

On the MAC and Linux, all I need to do is

ssh-keygen -t ecdsa-sk

to generate the key pair. I then copy over the public key and am then
able to ssh to another host using the key pair with just a tap of the
Yubico key.

e.g

https://cryptsus.com/blog/how-to-configure-openssh-with-yubikey-security-=
keys-u2f-otp-authentication-ed25519-sk-ecdsa-sk-on-ubuntu-18.04.html

shows it on Linux which is the same as on my MAC.

On FreeBSD, I need to enter a PIN via the security/yubikey-agent.=C2=A0 P=
lus
I need to have QT / and some Xlibs installed as I am prompted for a PIN
via PINENTRY.=C2=A0 Is there a way to do it so that I just touch the key =
as
opposed to having to use the PIN ?=C2=A0 I would even prefer PIN and
physically touching the key if possible as opposed to JUST the PIN

=C2=A0=C2=A0=C2=A0 ---Mike





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