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I just looked a the technical manual for the 5 series, and it only supports 25. I only have two right now, but I have way more than 25 TOTPs. I don't know what

by kj4ips 3y ago

I just looked a the technical manual for the 5 series, and it only supports 25. I only have two right now, but I have way more than 25 TOTPs. I don't know what the Bio FIDO ones have, but if it is similar, YubiCo may not have a product well placed for a large number of RKs. ~Edit: The Bio's have the same limit of 25

mixmastamyk 3y ago
I think the FLOSS keys can handle more than that. But, I'd probably separate work and personal accounts to different pairs of keys anyway.
radicalbyte 3y ago
As matthewaveryusa says above, you can have the key on the Yubi generate then encrypt the private key; that encrypted private key is then stored on mass storage (synced to iCloud etc). Then to use it you supply the key + data to sign the auth challenge. My issue then is that these keys allow total tracking. We need hardware implementing more complex and privacy protecting schemes (BBS+ etc).