nonce - How to properly manage WebAuthn challenges? - Information ...
Feb 8, 2023 · I'm in the process of evaluating adding WebAuthn/Passkey support to a website, and I'm not really sure how to properly manage challenge nonces. My understanding is that the main reason …
Best Practices for WebAuthn FIDO2 reset - Information Security Stack ...
Nov 4, 2024 · WebAuthn is very useful for registering and logging in on a daily basis, but in case of loss or damage it fails. I am looking for existing best practices in that domain, regulations or just examples …
Why does WebAuthn require a challenge when asking the client to ...
Dec 17, 2019 · When registering a new credential as part of WebAuthn, why does the client need to be sent a challenge? Presumably this is to prevent a replay attack, but wouldn't a replay attack be …
What is the point of required user verification in WebAuthn?
Sep 28, 2023 · Similarly for webauthn (or FIDO2 in general), the server can tell the client to require user verification, the authenticator can ignore this requirement, and companies who purchase …
How does it "allow a malicious website to obtain valid credentials ...
Feb 28, 2024 · How does it "allow a malicious website to obtain valid credentials." - WebAuthn Ask Question Asked1 year, 10 months ago Modified 1 year, 10 months ago Viewed 320 times
Is there a reason to not send signed FIDO2/WebAuthn session data to …
Feb 5, 2025 · Every WebAuthn implementation I've seen stores the session data server side, but that just seems pointless to me, since what seems to be essentially all the same data is already sent to …
digital signature - Is it possible to use WebAuthn for digitally ...
May 30, 2019 · WebAuthn is a relatively new API for authentication, and it uses public key cryptography instead of something like passwords. I am wondering if it is possible to use the cryptographic part for …
How do FIDO keys prevent MITM reflection attacks?
Apr 1, 2019 · WebAuthn and U2F are authentication protocols, establishing a secure connection is outside their scope. If the user's connection isn't encrypted, if the cipher suite being used is broken, …
webauthn - How is a passkey more secure than the regular …
Jun 13, 2024 · Passkeys aren't more secure – but they're a great way to bring the phishing resistance of WebAuthn/FIDO/U2F to the masses, without having to buy expensive hardware keys.
Fido2/Webauthn Passkeys: rsa2048, rsa4096, or Ed25519?
Jun 14, 2024 · Does anyone know what kind of keys are being generated when you make a Fido2/Webauthn passkey? rsa2048, rsa4096, Ed25519, or something else? Just worried if its …