Чарлз **Монтгомері** Бернс :flow:<p>Anyone familiar with <a href="https://infosec.exchange/tags/FIDO2" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>FIDO2</span></a> / <a href="https://infosec.exchange/tags/Passkeys" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Passkeys</span></a> could you please <a href="https://infosec.exchange/tags/help" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>help</span></a> me here?</p><p>Accoding to Yubico docs on Passkey, the client/client device uses <a href="https://infosec.exchange/tags/CTAP2" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>CTAP2</span></a> to communicate with platform authenticators. This sounds a bit strange to me, aren't there internal APIs on the platform that are called here? Isn't CTAP2 exclusive to <a href="https://infosec.exchange/tags/roaming" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>roaming</span></a> authenticators?</p><p><a href="https://infosec.exchange/tags/advice" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>advice</span></a> <a href="https://infosec.exchange/tags/thaks" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>thaks</span></a> </p><p><a href="https://developers.yubico.com/Developer_Program/WebAuthn_Starter_Kit/Platform_and_Roaming_Authenticators.html" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">developers.yubico.com/Develope</span><span class="invisible">r_Program/WebAuthn_Starter_Kit/Platform_and_Roaming_Authenticators.html</span></a></p>