Dart

PKCS11 Login / Logout

See more PKCS11 Examples

Sample code showing how to login and logout of a PKCS11 session. A session becomes authenticated when Login is called, and returns to the unauthenticated state when Logout is called. A smart card's PIN is passed to the Login method.

Note: This example requires Chilkat v9.5.0.88 or later.

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.

  // Note: Chilkat's PKCS11 implementation runs on Windows, Linux, Mac OS X, and other supported operating systems.

  final pkcs11 = CkPkcs11();

  // Set your shared lib path -- either a full path to the DLL, .so, or .dylib,
  // or just the filename if the driver is in a location that can be automatically found. (Such as in C:\Windows\System32)
  pkcs11.sharedLibPath = 'aetpkss1.dll';

  try {
    pkcs11.initialize();
  } on ChilkatException catch (e) {
    print(e.lastErrorText);
    return;
  }

  // Pass -1 for the slotID to open a session on the first non-empty slot.
  final slotID = -1;

  // Open a session.
  final readWrite = true;
  try {
    pkcs11.openSession(slotID, readWrite);
  } on ChilkatException catch (e) {
    print(e.lastErrorText);
    return;
  }

  // Make it an authenticated session by calling Login.
  // The smart card PIN is passed to the Login method.
  // The user type can be one of three choices:
  // 0 - Security Officer
  // 1 - Normal User
  // 2 - Context Specific.
  // You'll likely always login as the Normal User.
  final userType = 1;
  final pin = '0000';
  try {
    pkcs11.login(userType, pin);
  } on ChilkatException catch (e) {
    print(e.lastErrorText);
    pkcs11.closeSession();
    return;
  }

  // Do what is needed with the authenticated session...
  // ...
  // ...

  // Revert to an unauthenticated session by calling Logout.
  try {
    pkcs11.logout();
  } on ChilkatException catch (e) {
    print(e.lastErrorText);
    pkcs11.closeSession();
    return;
  }

  // When finished, close the session.
  // It is important to close the session (memory leaks will occur if the session is not properly closed).
  try {
    pkcs11.closeSession();
  } on ChilkatException catch (e) {
    print(e.lastErrorText);
    return;
  }

  print('PKCS11 Login and Logout successfully demonstrated.');
}