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Description:
flutter secure file storage
Flutter secure file storage #
An implementation for flutter secure file storage. For example keychain has a soft limit of 4kb. Using the file system instead we can store much larger content.
AES/GCM/NoPadding encryption is used to encrypt the data. The keys are generated using Random.secureand stored using the flutter_secure_storage package, the values are encrypted by the pointycastle package or native for Android
Usage #
It's implemented to use the same structure as FlutterSecureStorage and therefore you can switch easily between them. But we also support Uint8List as input/output
import 'package:flutter_secure_file_storage/flutter_secure_file_storage.dart';
import 'package:flutter_secure_storage/flutter_secure_storage.dart';
// Create storage
final storage = FlutterSecureFileStorage(FlutterSecureStorage());
// Read value
final value = await storage.read<String>(key: key);
// Read all values
Map<String, String> allValues = await storage.readAll();
// Delete value
await storage.delete(key: key);
// Delete all
await storage.deleteAll();
// Write value
await storage.write(key: key, value: value);
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Configure Android version #
In [project]/android/app/build.gradle set minSdkVersion to >= 18.
android {
...
defaultConfig {
...
minSdkVersion 18
...
}
}
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License
For personal and professional use. You cannot resell or redistribute these repositories in their original state.
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