Add benchmark
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@ -2,6 +2,7 @@
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// Author: Hugo Pointcheval
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import 'dart:typed_data';
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import 'package:flutter/foundation.dart';
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import 'package:flutter/material.dart';
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import 'package:native_crypto/native_crypto.dart';
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@ -15,79 +16,81 @@ class MyApp extends StatefulWidget {
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class _MyAppState extends State<MyApp> {
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final textController = TextEditingController();
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String _inputRawCoded = 'Message à chiffrer WOW';
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String _decryptedString = 'none';
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String _output = 'none';
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Uint8List aeskey;
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List<Uint8List> encryptedPayload;
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Uint8List decryptedPayload;
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void generateKey() async {
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aeskey = await NativeCrypto().sumKeygen();
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aeskey = await NativeCrypto().symKeygen();
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setState(() {
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_decryptedString = 'Key generated.';
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_output = 'Key generated.';
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});
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}
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/// Returns bytes `Uint8List` from a `String`.
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Uint8List stringToBytes(String source) {
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var list = source.codeUnits;
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var bytes = Uint8List.fromList(list);
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return bytes;
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}
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/// Returns a `String` from bytes `Uint8List`.
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String bytesToString(Uint8List bytes) {
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var string = String.fromCharCodes(bytes);
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return string;
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}
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void encrypt() async {
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final plainText = _inputRawCoded;
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final plainText = textController.text.trim();
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var output;
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if (plainText.isEmpty) {
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output = 'Entry is empty';
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} else {
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encryptedPayload = await NativeCrypto().symEncrypt(stringToBytes(plainText), aeskey);
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var stringToBytes = TypeHelper().stringToBytes(plainText);
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encryptedPayload = await NativeCrypto().symEncrypt(stringToBytes, aeskey);
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output = 'String successfully encrypted.';
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}
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setState(() {
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_decryptedString = output;
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_output = output;
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});
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}
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void decrypt() async {
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final hardCodedIOSAESkey = Uint8List.fromList([126, 193, 178, 226, 223, 97, 231, 48, 181, 172, 41, 25, 243, 79, 104, 172, 180, 10, 241, 188, 40, 44, 242, 142, 217, 148, 47, 199, 17, 72, 243, 75]);
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final hardCodedIOSCipher = Uint8List.fromList([62, 66, 70, 151, 117, 25, 153, 74, 76, 59, 216, 186, 125, 121, 23, 103, 226, 239, 79, 177, 252, 237, 41, 195, 176, 128, 137, 89, 97, 140, 206, 53, 88, 144, 5, 41, 197, 87, 25, 127, 237, 190, 23, 152, 89, 95, 2, 66, 50, 179, 12, 207, 86, 159, 155, 35, 72, 143, 133, 9, 148, 91, 240, 195]);
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final hardCodedIOSIv = Uint8List.fromList([42, 53, 43, 236, 4, 149, 16, 114, 130, 244, 94, 75, 63, 196, 199, 231]);
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final hardCodedAndroidAESkey = Uint8List.fromList([163, 161, 49, 53, 13, 251, 12, 210, 46, 79, 148, 162, 134, 124, 236, 233, 18, 245, 48, 8, 81, 158, 94, 192, 248, 10, 254, 139, 198, 163, 41, 99]);
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final hardCodedAndroidCipher = Uint8List.fromList([175, 223, 113, 228, 201, 163, 195, 52, 191, 75, 216, 148, 81, 38, 56, 70, 36, 73, 113, 61, 64, 89, 135, 49, 121, 46, 240, 9, 47, 209, 90, 66, 168, 100, 214, 80, 137, 247, 218, 146, 185, 62, 39, 15, 250, 45, 75, 142, 148, 238, 156, 154, 52, 12, 134, 149, 252, 214, 25, 205, 121, 204, 7, 193]);
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final hardCodedAndroidIV = Uint8List.fromList([39, 192, 131, 12, 181, 252, 191, 178, 138, 135, 125, 251, 53, 162, 70, 99]);
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// Test payload with some hardcoded values
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aeskey = hardCodedAndroidAESkey;
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encryptedPayload = [hardCodedAndroidCipher, hardCodedAndroidIV];
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var output;
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if (encryptedPayload == null || encryptedPayload.isEmpty) {
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output = 'Encrypt before.';
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output = 'Encrypt before decrypting!';
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} else {
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decryptedPayload = await NativeCrypto().symDecrypt(encryptedPayload, aeskey);
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output = 'String successfully Decrypted:\n${bytesToString(decryptedPayload)}';
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output = 'String successfully decrypted:\n\n${TypeHelper().bytesToString(decryptedPayload)}';
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}
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setState(() {
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_decryptedString = output;
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_output = output;
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});
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}
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void benchmark(int megabytes) async {
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var output;
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var bigFile = Uint8List(megabytes * 1000000);
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var before = DateTime.now();
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var encrypted = await NativeCrypto().symEncrypt(bigFile, aeskey);
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var after = DateTime.now();
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var benchmark = after.millisecondsSinceEpoch - before.millisecondsSinceEpoch;
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output = '$megabytes MB\n\nAES Encryption:\n$benchmark ms\n\n';
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before = DateTime.now();
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var decrypted = await NativeCrypto().symDecrypt(encrypted, aeskey);
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after = DateTime.now();
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print(listEquals(bigFile, decrypted));
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benchmark = after.millisecondsSinceEpoch - before.millisecondsSinceEpoch;
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output += 'AES Decryption:\n$benchmark ms';
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setState(() {
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_output = output;
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});
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}
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@override
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void initState() {
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// Generate AES key on init.
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generateKey();
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super.initState();
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}
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@ -101,8 +104,10 @@ class _MyAppState extends State<MyApp> {
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@override
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Widget build(BuildContext context) {
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return MaterialApp(
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debugShowCheckedModeBanner: false,
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home: Scaffold(
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appBar: AppBar(
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centerTitle: true,
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title: const Text('Native Crypto'),
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),
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body: Padding(
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@ -110,13 +115,18 @@ class _MyAppState extends State<MyApp> {
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child: Center(
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child: Column(
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children: <Widget>[
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Text(_inputRawCoded),
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TextField(
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controller: textController,
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decoration: InputDecoration(
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hintText: 'Text to encrypt.',
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),
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),
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SizedBox(height: 20),
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FlatButton(
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onPressed: encrypt,
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color: Colors.blue,
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child: Text(
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'Encrypt',
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'Encrypt String',
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style: TextStyle(color: Colors.white),
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)),
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(encryptedPayload != null && encryptedPayload.isNotEmpty)
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@ -126,14 +136,36 @@ class _MyAppState extends State<MyApp> {
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onPressed: decrypt,
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color: Colors.blue,
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child: Text(
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'Decrypt',
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'Decrypt String',
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style: TextStyle(color: Colors.white),
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)),
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(decryptedPayload != null && decryptedPayload.isNotEmpty)
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? Text(decryptedPayload.toList().toString())
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: Container(),
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SizedBox(height: 20),
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Text(_decryptedString),
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// Output
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Text(_output,
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textAlign: TextAlign.center,
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style: TextStyle(fontSize: 20, fontWeight: FontWeight.bold),),
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SizedBox(height: 20),
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FlatButton(
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onPressed: () {benchmark(1);},
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color: Colors.blue,
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child: Text(
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'Benchmark 1 MB',
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style: TextStyle(color: Colors.white),
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)),
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FlatButton(
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onPressed: () {benchmark(10);},
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color: Colors.blue,
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child: Text(
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'Benchmark 10 MB',
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style: TextStyle(color: Colors.white),
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)),
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FlatButton(
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onPressed: () {benchmark(20);},
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color: Colors.blue,
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child: Text(
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'Benchmark 20 MB',
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style: TextStyle(color: Colors.white),
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)),
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],
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),
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),
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