Questions tagged [fido-u2f]

Fido U2F is an open Universal 2nd Factor (U2F) authentication standard that strengthens two-factor authentication using specialized USB or NFC devices.

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How to generate OTP codes offline by Security Key in Debian?

Assume you need the OTPs by devices which are separate from the Debian system which generates the codes. Here, the U2F does not work in all cases so I need OTPs. I am trying to add offline OTP ...
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1answer
403 views

How to use Security Key in NordVPN login?

Situation: static password file in NordVPN settings Proposal: any security key but proposed one, YubiKey, because big userbase I heard that you can setup Security key (Fido U2F) with VPN in ...
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How to add Security Key with Button in Debian?

I am trying to add a security key with button (Fido U2F) in Debian. I think the problem may be with the button because of my previous experience with such buttons in Transcend HDDs where no good ...
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How to 2-step authenticate by password + U2F Yubikey in Linux KeePassX?

I would like to have 2-step authentication by password + Fido U2F security key. I did not find any approaches which would work in Debian 8.7. The OS should not be a limiting factor here because Qt ...
2
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3answers
3k views

How to use YubiKeys with SSH keys in 2-step verification?

I can setup SSH keypair without Fido U2F as described SSH-agent working over many servers without retyping? Some flag? in the thread. Two step verification would be very good: password for the ...