Chapter    14

Using Touch ID for Local Authentication

Manny de la Torriente

Ever-increasing rates of phone theft and identity fraud have pushed second-factor authentication from a desired feature to a necessity. Touch ID allows developers to use the iPhone’s built-in fingerprint sensor without any of the heavy lifting of pattern recognition or low-level encryption. In this chapter, readers will learn about the framework and how to add fingerprint identification to their apps.

Introduction to Touch ID

Touch ID is a fingerprint sensing system that makes secure access to an iOS device fast and easy. In this chapter you’ll learn how to integrate and use the LocalAuthentication framework to request authentication from users using Touch ID. The LocalAuthentication ...

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