override func prepareInterface(forPasskeyRegistration registrationRequest: any ASCredentialRequest)
int this function how can i get the "challenge" from user agent, the params "challenge" need to be used in webauthn navigator.credentials.create
ASCredentialProviderViewController Usage
For example, at webauthn.me, the parameters uploaded by the agent include: user: { id:Regenerate (binary, random) name:test displayName:Test User } Challenge: Regenerate (binary, random) two information user.id & challenge. After clicking "Register", this method is invoke. How can these two information user.id&challenge information be obtained?