A Swift library providing simple helper functions for securely storing text and data in the iOS/macOS Keychain.
KeychainSwift is a Swift library that simplifies interacting with Apple's Keychain, a secure storage system for sensitive data like passwords and tokens. It provides a concise, developer-friendly API to replace the verbose native Keychain API, making secure storage more accessible across iOS, macOS, tvOS, and watchOS.
Swift developers building apps for Apple platforms (iOS, macOS, tvOS, watchOS) who need to securely store sensitive data like passwords, tokens, or small encrypted keys. It's particularly useful for developers who find Apple's native Keychain API too verbose or complex.
Developers choose KeychainSwift for its minimal, Swifty API that reduces boilerplate code while maintaining the Keychain's robust security. It offers features like iCloud synchronization, access groups for sharing between apps, and support for multiple data types, all with simple methods like `set`, `get`, and `delete`.
Helper functions for saving text in Keychain securely for iOS, OS X, tvOS and watchOS.
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Replaces Apple's verbose Keychain API with simple methods like `set`, `get`, and `delete`, drastically reducing boilerplate code as demonstrated in the README's code examples.
Works consistently across iOS, macOS, tvOS, and watchOS, providing a unified secure storage solution for all Apple platforms, with setup instructions for each.
Supports Keychain-specific options like access control levels, iCloud synchronization, and access groups for sharing between apps, detailed in the 'Advanced options' section.
Includes practical extras like key prefixing for testing isolation, operation success checking, and returning data as reference for use with APIs like NEVPNProtocol.
The README warns of a critical, random bug where the library sometimes returns nil instead of stored values, which is hard to reproduce and fix, posing a risk for production apps.
Key functionalities like iCloud synchronization and the `clear()` method do not work on macOS, limiting its usefulness for full cross-platform Apple development.
Tightly coupled with Apple's Keychain ecosystem, making it unsuitable for projects that might expand to other platforms or require more portable secure storage solutions.