Earlier quoted context omitted.
Cross key syncing service. You plug both yubikeys in. Authenticate on both keys using the tool and then you're able to transfer/backup. Corporate management offerings around Yubikeys, inventories, call back home to renew an expiry if the yubikey itself when touched should give out the information. Trust me, if Yubikey hires me and goes IPO it is all downhill but the company will make a boatload more money. Every comp…
> Cross key syncing service. Can’t work with FIDO/U2F, I’m afraid. The protocol works a little differently than most people expect, which is what allows the hardware token to “store” an unlimited number of auth credentials. What really happens at auth time is that the server (the one you are trying to authenticate to) sends a crypto package including the challenge and a key used to sign the challenge to the token. (T…
But we are talking about the manufacturer: they can add a backdoor and sell the backdoor as a feature for subscribed user.
That is what gp is talking about.