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freeRASP is a part of security SDK for the app shielding and security monitoring. Learn more about provided features on the freeRASP's homepage first.

freeRASP for Flutter #

freeRASP for Flutter is a part of security SDK for the app shielding and security monitoring. Learn more about provided features on the freeRASP's main repository first.

Usage #

We will guide you step-by-step, but you can always check the expected result in example.

Step 1: Prepare Talsec library #

Add dependency to your pubspec.yaml file

  freerasp: 1.0.0

and then run: pub get

iOS setup #

After depending on plugin follow with these steps:

  1. Open terminal
  2. Navigate to your Flutter project
  3. Switch to ios folder
$ cd ios
  1. Run: pod install
$ pod install

Note: .symlinks folder should be now visible under your ios folder.

  1. Open .xcworkspace/.xcodeproject folder of Flutter project in xcode
  2. Go to Product > Scheme > Edit Scheme... > Build (dropdown arrow) > Pre-actions
  3. Hit + and then New Run Script Action
  4. Set Provide build setting from to Runner
  5. Use the following code to automatically use an appropriate Talsec version for a release or debug (dev) build (see an explanation here):
cd "${SRCROOT}/.symlinks/plugins/freerasp/ios"
if [ "${CONFIGURATION}" = "Release" ]; then
    rm -rf ./TalsecRuntime.xcframework
    ln -s ./Release/TalsecRuntime.xcframework/ TalsecRuntime.xcframework
    rm -rf ./TalsecRuntime.xcframework
    ln -s ./Debug/TalsecRuntime.xcframework/ TalsecRuntime.xcframework
  1. Close the terminal window and then resolve warnings in the xcode project:

    1. Go to Show the Issue navigator
    2. Click twice on Update to recommended settings under Runner project issue > Perform changes
    3. Click twice on Update to recommended settings under Pods project issue > Perform changes

    Issues should be clear now.

Android setup #

  • From root of your project, go to android > app > build.gradle
  • In defaultConfig update minSdkVersion to at least 19 (Android 4.4) or higher
android {
defaultConfig {
    minSdkVersion 19

Dev vs. Release version #

Dev version is used during the development of application. It separates development and production data and disables some checks which won't be triggered during development process:

  • Emulator-usage
  • Debugging
  • Signing

Step 2: Setup the Configuration for your App #

Make (convert or create a new one) your "top-most" widget (typically one in runApp(MyWidget())) and override its initState in State

void main() {

class MyApp extends StatefulWidget {
  _MyAppState createState() => _MyAppState();

class _MyAppState extends State<MyApp> {
  void initState() {
    //TODO: freeRASP implementation

and then create a Talsec config and insert androidConfig and/or IOSConfig with highlighted identifiers: expectedPackageName and expectedSigningCertificateHash are needed for Android version. Similarly, appBundleId and appTeamId are needed for iOS version of app. If you publish on the Google Play Store and/or Huawei AppGallery, you don't have to assign anything to supportedAlternativeStores as those are supported out of the box.

 void initState() {

    TalsecConfig config = TalsecConfig(

      // For Android
      androidConfig: AndroidConfig(
        expectedPackageName: 'YOUR_PACKAGE_NAME',
        expectedSigningCertificateHash: 'HASH_OF_YOUR_APP',
        supportedAlternativeStores: [""],
      // For iOS
      IOSConfig: IOSconfig(
        appBundleId: 'YOUR_APP_BUNDLE_ID',
        appTeamId: 'YOUR_APP_TEAM_ID',
      // Common email for Alerts and Reports
      watcherMail: '',

Step 3: Handle detected threats #

Create AndroidCallback and/or IOSCallback objects and provide VoidCallback function pointers to handle detected threats:

void initState(){
    // Talsec config
    // ...
    // Callback setup
    TalsecCallback callback = TalsecCallback(

      // For Android
      androidCallback: AndroidCallback(
          onRootDetected: () => print('Root detected'),
          onEmulatorDetected: () => print('Emulator detected'),
          onFingerprintDetected: () => print('Fingerprint detected'),
          onHookDetected: () => print('Hook detected'),
          onTamperDetected: () => print('Tamper detected'),

      // For iOS
      IOSCallback: IOScallback(
        onSignatureDetected: () => print('Signature detected'),
        onRuntimeManipulationDetected: () => print('Runtime manipulation detected'),
        onJailbreakDetected: () => print('Jailbreak detected'),
        onPasscodeChangeDetected: () => print('Passcode change detected'),
        onPasscodeDetected: () => print('Passcode detected'),
        onSimulatorDetected: () => print('Simulator detected'),
        onMissingSecureEnclaveDetected: () => print('Missing secure enclave detected'),

      // Common for both platforms
      onDebuggerDetected: () => print("Debugger detected"),

Step 4: Start the Talsec #

Start Talsec to detect threats just by adding these two lines below the created config and the callback handler:

void initState(){
  // Talsec config
  // ...
  // Talsec callback handler
  // ...
  TalsecApp app = TalsecApp(
        config: config,
        callback: callback,

And you're done 🎉!

pub points


verified publisher

freeRASP is a part of security SDK for the app shielding and security monitoring. Learn more about provided features on the freeRASP's homepage first.

Repository (GitHub)
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