iOS CapabilitiesLesson 65Free preview

Keychain Basics

This lesson is part of Swift · All levels

Summary

This lesson reviews the storage of sensitive data using iOS Keychain Services. Unlike unencrypted UserDefaults, Keychain encrypts data hardware using the Secure Enclave module. It is a mandatory storage location for passwords, JWT authentication tokens, and private keys.

Key points

Keychain provides hardware-encrypted data storage
Mandatory location for authentication tokens, API keys, and user credentials
The data keychain will remain even if the application is uninstalled and then reinstalled.
Supports the sharing of credential data between applications from the same developer (Keychain Sharing)

Full lesson

Code examples and quizzes

Full lessons, code examples, and quizzes are available to subscribers. 5 questions.