Re: [webauthn] RPs cannot show "You've Already Registered This Authenticator" Message

It looks like CTAP2 is already having authenticators return `CTAP2_ERR_CREDENTIAL_EXCLUDED`.  I think we should wrap this up in a new error message that webauthn can return to callers.

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GitHub Notification of comment by leshi
Please view or discuss this issue at https://github.com/w3c/webauthn/issues/806#issuecomment-366339730 using your GitHub account

Received on Friday, 16 February 2018 19:46:54 UTC