Advanced iOS Development: Keychain Access

Course details

Want to give your iOS app the ability to store local, encrypted data like IDs, passwords, or credits card numbers? In this course, instructor Bear Cahill shows you how. Bear demonstrates how to leverage the iOS keychain, which allows you to give your apps a mechanism to store bits of user data in an encrypted database. Using practical examples, he explains how to store keychain values, as well as how to retrieve, update, delete, and share data from the keychain. He wraps up with a series of code-based challenges and solutions that help you put these new concepts into practice. After completing this course, you'll have the knowledge you need to write code to use the keychain in your own iOS apps.

Topics include:
- Creating keychain queries
- Storing generic passwords
- Retrieving data from the keychain
- Handling search results
- Updating and deleting keychain values
- Working with keychain access groups

Concepts

0. Introduction

01 - Using keychain encryption in iOS app
02 - What you should know

1. iOS Keychain Services

03 - User experience considerations
04 - Secure enclave
05 - Attribute keys and values

2. Storing Keychain Values

06 - Xcode project configuration
07 - iOS code overview
08 - Keychain query creation
09 - Storing a generic password
10 - Review keychain database
11 - Challenge - Store an internet password
12 - Solution - How to store an internet password

3. Retrieving Data from the Keychain

13 - Keychain search concepts
14 - Keychain search query
15 - Searching in keychain
16 - Handling search results
17 - Challenge - Fetch only data
18 - Solution - How to fetch only data

4. Updating and Deleting Keychain Values

19 - Update keychain preparation
20 - Updating values in the keychain
21 - Challenge - Delete from keychain
22 - Solution - How to delete from keychain

5. Keychain Sharing

23 - Keychain access groups
24 - Sharing keychain data
25 - App group data sharing
26 - Sharing data in app group

6. Building the App Challenges

27 - Overview of challenges
28 - Challenge - Add user authentication
29 - Solution - Add user authentication
30 - Challenge - Add notes to keychain
31 - Solution - Add notes to keychain
32 - Challenge - Reading keychain items
33 - Solution - Read keychain items
34 - Challenge - Update and delete keychain items
35 - Solution - Update and delete keychain items

Conclusion

36 - Next steps

Advanced iOS Development: Keychain Access

Authors

Bear Cahill