FIDO (Fast IDentity Online) is a technical specification for biometric authentication to online services.
Questions tagged [fido]
62 questions
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Can counter-based OTPs instantly be reused at multiple services?
I am reading about hardware-based 2FA and wonder about counter-based OTPs generated from, for example, a Yubikey. I have read that in these cases, a push of a button generates a string composed of a public key, a counter, and the OTP. The service…
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bers
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Multiple tokens support for FIDO u2F
I am implementing a web service to support U2F. I need users to be able to register more than one token to their account.
How should the authentication request message look when we have more than 1 key handle?
Currently working with the chrome…
![](../../users/profiles/89712.webp)
YuvalJ
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