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authentication

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Implement iOS authentication flows with AuthenticationServices and LocalAuthentication. Use when building Sign in with Apple, passkey/WebAuthn registration or sign-in with ASAuthorizationPlatformPublicKeyCredentialProvider, ASAuthorizationController credential state and revocation handling, ASWebAuthenticationSession OAuth or third-party login, Password AutoFill, identity-token server validation, or local biometric re-authentication with LAContext.

When to use

• Sign in with Apple
• passkey/WebAuthn registration or sign-in
• ASAuthorizationController credential state and revocation handling
• ASWebAuthenticationSession OAuth or third-party login
• Password AutoFill
• identity-token server validation
• local biometric re-authentication with LAContext

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