Dart

Code Signing using Sectigo USB Token

See more Code Signing Examples

Demonstrates how to Authenticode sign an EXE or DLL using a SafeNet USB token from Sectigo.

Requires Chilkat v10.0.0 or greater.

Dart

import 'package:chilkat/chilkat.dart';

void main() {
  // This example requires the Chilkat API to have been previously unlocked.
  // See Global Unlock Sample for sample code.

  // First create the following JSON to specify that SHA256 is to be used,
  // and provide timestamp server information.

  // {
  //   "hashAlg": "sha256",
  //   "timestampToken": {
  //     "enabled": true,
  //     "tsaUrl": "http://timestamp.digicert.com",
  //     "requestTsaCert": true,
  //     "hashAlg": "sha256"
  //   }
  // }

  final json = CkJsonObject();
  json.updateString('hashAlg', 'sha256');
  json.updateBool('timestampToken.enabled', true);
  json.updateString('timestampToken.tsaUrl', 'http://timestamp.digicert.com');
  json.updateBool('timestampToken.requestTsaCert', true);
  json.updateString('timestampToken.hashAlg', 'sha256');

  // The only difference in signing with a smartcard or USB token
  // is that the cert is loaded from a smartcard or USB token, instead of a PFX or from elsewhere
  // such as from the Windows certificate store.
  final cert = CkCert();

  // Use your USB token PIN (user password).
  // It will be a string similar to this:  j6X54nB7-jlp5Cr2
  cert.smartCardPin = 'j6X54nB7-jlp5Cr2';

  // Load the certificate based on the serial number.
  // *** Use your certificate's serial number.
  try {
    cert.loadFromSmartcard('serial=3FF5B69109BFD4046C92CC0D18EE23C2');
  } on ChilkatException catch (e) {
    print(e.lastErrorText);
    return;
  }

  // Note: If the above fails, then use the SafeNet Authentication Client Tools
  // to login to your token using your token password.
  // You don't want too many failed logins, otherwise you'll lock the token.
  // A successful login will reset number of failed logins back to 0.

  // Note: This is to sign Microsoft Windows executables or DLLs
  // You can sign .exe or .dll files.
  final exePath = 'C:/someDirectory/HelloWorld.exe';

  final signer = CkCodeSign();

  // If successful, the following call will apply the signature to the EXE (or DLL).
  try {
    signer.addSignature(exePath, cert, json);
  } on ChilkatException catch (e) {
    print(e.lastErrorText);
    return;
  }

  print('Successfully applied the Authenticode signature.');
}