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main.dart
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main.dart
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import 'package:flutter/material.dart';
import 'dart:async';
import 'package:flutter/services.dart';
import 'package:hl_des/hl_des.dart';
void main() {
runApp(MyApp());
}
class MyApp extends StatefulWidget {
@override
_MyAppState createState() => _MyAppState();
}
class _MyAppState extends State<MyApp> {
String _decrypted = 'Unknown';
@override
void initState() {
super.initState();
initPlatformState();
}
// Platform messages are asynchronous, so we initialize in an async method.
Future<void> initPlatformState() async {
String decrypted;
// Platform messages may fail, so we use a try/catch PlatformException.
try {
const string = "Java, android, ios, get the same result by DES encryption and decryption."; // base64
const key = "xxx="; // base64
const iv = "xxx="; // base64
decrypted = await HlDes.desDecrypt(data: string, iv: iv, key: key);
print("decrypted = $decrypted");
final encrypted = await HlDes.desEncrypt(data: decrypted, iv: iv, key: key);
print("encrypted = $encrypted");
} on PlatformException {
decrypted = 'Failed to decrypted';
}
// If the widget was removed from the tree while the asynchronous platform
// message was in flight, we want to discard the reply rather than calling
// setState to update our non-existent appearance.
if (!mounted) return;
setState(() {
_decrypted = decrypted;
});
}
@override
Widget build(BuildContext context) {
return MaterialApp(
home: Scaffold(
appBar: AppBar(
title: const Text('Plugin example app'),
),
body: Center(
child: Text('Running on: $_decrypted\n'),
),
),
);
}
}