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They can use the TOTP token to auth themselves where as U2F will not work if you are the middle-man. U2F basically[0] signs the current URI and HTTPS key and s
by extrapickles 10y ago
They can use the TOTP token to auth themselves where as U2F will not work if you are the middle-man.
U2F basically[0] signs the current URI and HTTPS key and sends it back. If there is a man-in-middle then the signatures will not match and the auth will fail.
[0]: https://developers.yubico.com/U2F/Protocol_details/Overview.html https://developers.yubico.com/U2F/Protocol_details/Overview....