![]() So if I remove my YubiKey or lose the YubiKey altogether I can not use this SSH key anymore. This will create an SSH key on your local system in ~/.ssh but only works together with the YubiKey. Also, you can not update YubiKey Firmware. Unfortunately, my YubiKey 5 NFC does have an older firmware (5.1.2) and can not do this. ![]() You can take the key to another system and you are still able to log in via SSH since the YubiKey is your SSH key. Meaning as long as you have your YubiKey plugged in you can SSH into your servers. This will use the YubiKey as your SSH key. I also checked for you which commonly used server distros has which openssh-server version: Operating System Discoverable CredentialĬan be used by someone who finds the YubiKey You have discoverable Credentials and non-discoverable Credentials. I was an idiot so you don't have to be.Īnyway, let's go forward with the 2 types of keys. You can reset the PIN anytime, but then all your U2FA will be reset as well. If you lose that you are in trouble like me.□ This can be done with the YubiKey Manager via CLI or GUI. Be sure to create a FIDO2 PIN for the YubiKey. Let's go to the coolest and easiest solution for private use in my opinion: FIDO2 which stands for Fast Identity Online. You certainly can use your YubiKey with PGP and SSH. A lot of folks say that PGP is a major pain in your behind. Honestly, this seems to be very complex as everything with PGP that I came across. I looked briefly into this and watched a few videos. This is more suited to an enterprise where you want to centrally manage all your keys. And not as secure and more suited to a more legacy version of OpenSSH. This will just give you the option to add a second factor with a One Time Password. YubiKeys allow a few different methods to make your ssh login more secure. Looks like quite a lot! YubiKey SSH Key login methods I was asking myself what else can I do with this key, especially for my servers which I need to connect to via SSH. That was about it what I use my YubiKey 5 NFC for. If you obtain control over my Google account you can reset every password for every service I am registered with.īitwarden stores my actual passwords so pretty important as well. I am using a YubiKey for quite some time now for my most valuable accounts: 4 min read OpenSSH Key Authentication with YubiKey 5. ![]()
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