How to Use a Yubikey with OpenSSH

Опубликовано: 25 Февраль 2026
на канале: SecureRandom

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In this video we set up SSH to use a FIDO / FIDO2 USB authenticator – namely a Yubikey 4.

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NSA Backdoor:
https://www.wired.com/2013/09/nsa-bac...

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Commands used in this video:

Create a key pair
$ ssh-keygen t ecdask -f /path/to/keypair

Copy the ssh key to the server
$ ssh-copy-id -i /path/to/public-key user@server

Check firmware version of Yubikey
$ lsusb -v | grep -A2 Yubico | grep "bcdDevice" | awk '{print $2}'