Re: [webauthn] Is it possible to fail the registration ceremony if a certain extension is not present? (#1487)

The prf extension has been pulled out of level 2, so I recommend lobbying if you really want it.

We do have a enforce credprotect option.  where the platform won't make a credential if credprotect is not available on the authenticator.  

In principal prf should work for both resident and non resident credentials.   

It might not be unreasonable to have a similar flag so resident/discoverable slots are not taken up by credentials that won't be used.



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