Biometric Authentication for iOS in Swift

Secure access to your iOS app by adding support for biometric authentication with Swift. Learn how to request user authentication using Touch ID, Face ID, or a user's passcode.

Introduction

• How to use biometric authentication in iOS using Swift
• What you should know

1. Biometric Concepts

• Overview of biometrics
• App security
• Apple guidelines

2. iOS App Development

• Xcode project preparation
• LocalAuthentication context
• Evaluation policy check
• Evaluating a policy
• Notifying the user for Face ID

3. Policy Specifics

• LocalAuthentication policies
• Device owner authentication
• Authentication with biometrics
• Biometric types
• Reuse duration

4. Handling Outcomes

• Authentication fails
• Handling cancels
• Handling fallback

Conclusion

• Next steps