rn-secure-storage
A React Native library providing secure storage for Android and iOS using Keychain and Keystore.
What is rn-secure-storage?
RNSecureStorage is a React Native library that provides secure, encrypted storage for sensitive data on Android and iOS platforms. It leverages native security mechanisms—Keychain on iOS and Keystore on Android—to protect credentials, tokens, and other private information, making it essential for mobile apps requiring robust data protection. The library offers a consistent, promise-based JavaScript API for cross-platform development.
React Native developers building mobile applications that handle sensitive user data such as authentication tokens, credentials, or personal information. It is particularly suited for apps in finance, healthcare, or any domain requiring compliance with data security standards.
Developers choose RNSecureStorage because it provides a unified, secure interface that directly utilizes the native platform's most trusted security systems (iOS Keychain and Android Keystore), ensuring maximum protection without compromising on ease of use. Its comprehensive feature set, including biometric support, bulk operations, and configurable accessibility options, offers greater control and efficiency compared to simpler storage solutions.
Overview
Secure Storage for React Native (Android & iOS)
Use Cases
Best For
- Securely storing authentication tokens and session data in React Native apps
- Protecting sensitive user credentials like passwords and PINs in mobile applications
- Implementing biometric authentication integration for iOS apps using getSupportedBiometryType
- Handling bulk storage operations efficiently with multiSet, multiGet, and multiRemove methods
- Managing app data with fine-grained accessibility controls on iOS (e.g., WHEN_UNLOCKED, ALWAYS_THIS_DEVICE_ONLY)
- Building cross-platform React Native apps that require consistent secure storage APIs for both Android and iOS
Not Ideal For
- Apps targeting Android versions below 6.0 (Marshmallow) due to the minSdkVersion 23 requirement
- Projects requiring immediate biometric authentication support on Android, as it's currently iOS-only and planned for future release
- Teams prioritizing active community support and rapid issue resolution, given the author's disclaimer on limited maintenance time
Pros & Cons
Pros
Leverages iOS Keychain and Android Keystore, the most trusted native security systems, ensuring maximum data protection as emphasized in the README's secure storage feature.
Provides a consistent, promise-based JavaScript interface for both Android and iOS, simplifying development and reducing platform-specific code overhead.
Includes multiSet, multiGet, and multiRemove methods for managing multiple storage items efficiently, which improves performance in data-intensive apps as detailed in the API section.
Offers getSupportedBiometryType for iOS, enabling integration with Touch ID or Face ID for enhanced security, a key feature highlighted in the README.
Cons
The README admits biometric support is only available for iOS, with Android support planned but not yet implemented, creating a significant cross-platform inconsistency.
Author's disclaimer states reduced involvement due to career shift, leading to potentially slower issue resolution and fewer updates, which could impact long-term reliability.
Version 3.0.0 introduced significant renaming and return type modifications, as noted in the changelog, which could break existing codebases and require migration efforts.
Frequently Asked Questions
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