In this video, you'll learn how we can encrypt and decrypt local preferences in Kotlin Multiplatform for Android, iOS and desktop. The shown solution involves a nice library that uses DataStore under the hood.

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Get the source code for this video on GitHub:
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Philipp Lackner

KSafe is a Kotlin Multiplatform library that provides encrypted local storage similar to DataStore but with built-in encryption support across Android, iOS, and desktop platforms. The library abstracts platform-specific encryption implementations (Android KeyStore, iOS Keychain) and allows developers to store key-value pairs securely using Compose state or Kotlin flows. It supports serializable data classes, automatic persistence on value changes, and optional biometric authentication, eliminating the need to write platform-specific encryption code for each target platform.

How to Encrypt Local Preferences In KMP With KSafe