This video provides an overview of the secure database called the Keychain.
- [Instructor] The Keychain is a secure database. We can store sensitive data in it like passwords, Cryptographic keys, credit card data, and so on. The Keychain acts like user defaults in that it's meant to persist small chunks of data. But, there is a big difference. Unlike user defaults, the Keychain is secure. The contents of the Keychain are processed and kept securely on the device and can be extracted from the file system or from backups.
The Keychain can be configured to lock automatically when the device is locked. In this state, the stored Keychain items can't be assessed or decrypted. Before we go on, we need to understand how the Keychain works. The Keychain is basically a database and we can run queries on it. The Keychain services functions take a dictionary that contain the attributes of the query. Each entry in the secure database must have a unique identifier associated with it.
Author
Released
10/26/2018- Encryption, code signing, and sandboxing
- Preventing pasteboard leakage with and without coding
- Working with the keychain
- File data protection
- Securing apps using biometrics
- Implementing Touch ID and Face ID
- Performing asymmetric encryption and decryption
Skill Level Intermediate
Duration
Views
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Introduction
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Keeping your apps secure1m 13s
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What you should know1m 21s
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1. iOS Security Fundamentals
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Security in iOS1m 2s
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The Secure Boot1m 34s
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Touch ID and Face ID1m 42s
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Code signing1m
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Sandboxing53s
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User privacy41s
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2. User Data Protection
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Purpose strings2m 7s
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The pasteboard spy app2m 24s
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Hacking the UserDefaults4m 40s
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3. The Keychain
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Using the Keychain wrapper4m 31s
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4. File Data Protection
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5. Securing Apps Using Biometrics
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Implementing Touch ID2m 51s
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Implementing Face ID4m 57s
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6. Cryptographic APIs/Interfaces
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Creating the private key5m 49s
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Conclusion
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Next steps50s
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Video: Keychain overview