BloomRuntimeFingerprint class

Cryptographic Runtime Fingerprint generator and validator.

Ensures Over-The-Air (OTA) patches are only applied to native binaries with identical Dart SDK, Flutter engine, and native module capabilities.

Example:

final fingerprint = BloomRuntimeFingerprint.current();
final hash = fingerprint.computeHash();
print('Binary fingerprint hash: $hash');

Constructors

BloomRuntimeFingerprint({required String bloomVersion, required String flutterEngineRevision, required String dartSdkVersion, Map<String, String> nativeModuleFingerprints = const {}, List<String> permissions = const []})
Creates a BloomRuntimeFingerprint.
const
BloomRuntimeFingerprint.current({String bloomVersion = '1.0.0', String? flutterRevision, Map<String, String> moduleFingerprints = const {}, List<String> permissions = const []})
Derives runtime fingerprint dynamically from current environment or BloomConfig.
factory
BloomRuntimeFingerprint.fromConfig(dynamic config, {Map<String, String> moduleFingerprints = const {}, String? flutterRevision})
Creates a runtime fingerprint from a BloomConfig object and native module fingerprints.
factory
BloomRuntimeFingerprint.fromMap(Map<String, dynamic> map)
Creates a fingerprint from raw manifest/lockfile JSON or Map map data.
factory

Properties

bloomVersion String
Bloom framework semantic version.
final
dartSdkVersion String
Dart SDK version string.
final
flutterEngineRevision String
Flutter engine git revision string.
final
hashCode int
The hash code for this object.
no setterinherited
nativeModuleFingerprints Map<String, String>
Deterministic fingerprints of all installed native modules.
final
permissions List<String>
Declared native system permissions.
final
runtimeType Type
A representation of the runtime type of the object.
no setterinherited

Methods

computeHash() String
Computes the canonical deterministic SHA-256 runtime fingerprint hash string.
isCompatibleWith(String patchRuntimeFingerprint) bool
Validates whether a remote patch runtime fingerprint matches the local binary.
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
toString() String
A string representation of this object.
inherited

Operators

operator ==(Object other) bool
The equality operator.
inherited