Re: [webauthn] Provide the public key in `AuthenticatorAttestationResponse` (#1363)

> 
> **Ruby**: [cedarcode/webauthn-ruby](https://github.com/cedarcode/webauthn-ruby), uses `X/Y`.
> 
>     * [/lib/webauthn/public_key.rb](https://github.com/cedarcode/webauthn-ruby/blob/114a96d20be6504116dc8fcb2570633eb89ab160/lib/webauthn/public_key.rb#L25)
> 
>     * [/lib/webauthn/authenticator_assertion_response.rb](https://github.com/cedarcode/webauthn-ruby/blob/4dc71eb7a8bf512648c86c536147824c4295e2fe/lib/webauthn/authenticator_assertion_response.rb#L57)

FWIW, speaking on behalf of webauthn-ruby at least, I think is a tiny bit more accurate to say we are working with the "COSE Key format" ([ref](https://github.com/cedarcode/webauthn-ruby/blob/114a96d20be6504116dc8fcb2570633eb89ab160/lib/webauthn/public_key.rb#L29)), not with X/Y directly (We switched while ago in order to support RSA keys whose params are not X/Y) by relying on [cose-ruby](https://github.com/cedarcode/cose-ruby). 


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Received on Monday, 27 January 2020 20:11:08 UTC