refactor(example): update benchmark page
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@ -3,10 +3,11 @@
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// -----
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// File: benchmark_page.dart
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// Created Date: 28/12/2021 15:12:39
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// Last Modified: 25/05/2022 15:26:42
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// Last Modified: 25/05/2022 17:16:12
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// -----
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// Copyright (c) 2021
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import 'dart:math';
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import 'dart:typed_data';
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import 'package:flutter/material.dart';
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@ -24,10 +25,12 @@ class BenchmarkPage extends ConsumerWidget {
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final Output keyContent = Output();
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final Output benchmarkStatus = Output(large: true);
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Future<void> _benchmarkEncryptionOnly(
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Future<void> _benchmark(
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WidgetRef ref,
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Cipher cipher,
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) async {
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Cipher cipher, {
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bool usePc = false,
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bool encryptionOnly = false,
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}) async {
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Session state = ref.read(sessionProvider.state).state;
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AesGcm pc = AesGcm();
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@ -37,102 +40,72 @@ class BenchmarkPage extends ConsumerWidget {
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return;
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}
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benchmarkStatus.print("Benchmark 2/4/8/16/32/64/128/256MB\n");
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List<int> testedSizes = [2, 4, 8, 16, 32, 64, 128, 256];
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String csv = "size;encryption time\n";
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List<int> testedSizes = [2, 6, 10, 14, 18, 22, 26, 30, 34, 38, 42, 46, 50];
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int multiplier = pow(2, 20).toInt(); // MiB
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benchmarkStatus.print("[Benchmark] Sizes: ${testedSizes.join('/')}MiB\n");
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benchmarkStatus.appendln(
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"[Benchmark] Engine: " + (usePc ? " PointyCastle" : " NativeCrypto"));
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benchmarkStatus.appendln("[Benchmark] Test: " +
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(encryptionOnly ? " Encryption Only" : " Encryption & Decryption"));
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benchmarkStatus.appendln(
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'[Benchmark] bytesCountPerChunk: ${Cipher.bytesCountPerChunk} bytes/chunk');
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String csv = encryptionOnly
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? "Run;Size (B);Encryption Time (ms)\n"
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: "Run;Size (B);Encryption Time (ms);Decryption Time (ms)\n";
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int run = 0;
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var beforeBench = DateTime.now();
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Cipher.bytesCountPerChunk = Cipher.bytesCountPerChunk;
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benchmarkStatus
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.append('[Benchmark] ${Cipher.bytesCountPerChunk} bytes/chunk \n');
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for (int size in testedSizes) {
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var b = Uint8List(size * 1000000);
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csv += "${size * 1000000};";
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run++;
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final StringBuffer csvLine = StringBuffer();
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final dummyBytes = Uint8List(size * multiplier);
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csvLine.write('$run;${size * multiplier};');
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// Encryption
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var before = DateTime.now();
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var encryptedBigFile = await cipher.encrypt(b);
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var after = DateTime.now();
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var benchmark =
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after.millisecondsSinceEpoch - before.millisecondsSinceEpoch;
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benchmarkStatus.append('[$size MB] Encryption took $benchmark ms\n');
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csv += "$benchmark\n";
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}
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var afterBench = DateTime.now();
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var benchmark =
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afterBench.millisecondsSinceEpoch - beforeBench.millisecondsSinceEpoch;
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var sum = testedSizes.reduce((a, b) => a + b);
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benchmarkStatus.append(
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'Benchmark finished.\nGenerated, and encrypted $sum MB in $benchmark ms');
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debugPrint("[Benchmark cvs]\n$csv");
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}
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Future<void> _benchmark(WidgetRef ref, Cipher cipher,
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{bool usePc = false}) async {
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Session state = ref.read(sessionProvider.state).state;
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AesGcm pc = AesGcm();
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if (state.secretKey.bytes.isEmpty) {
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benchmarkStatus
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.print('No SecretKey!\nGo in Key tab and generate or derive one.');
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return;
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}
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benchmarkStatus.print("Benchmark 2/4/8/16/32/64/128/256MB\n");
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List<int> testedSizes = [2, 4, 8, 16, 32, 64, 128, 256];
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String csv = "size;encryption time;decryption time;crypto time\n";
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var beforeBench = DateTime.now();
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Cipher.bytesCountPerChunk = Cipher.bytesCountPerChunk;
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benchmarkStatus
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.append('[Benchmark] ${Cipher.bytesCountPerChunk} bytes/chunk \n');
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for (int size in testedSizes) {
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var b = Uint8List(size * 1000000);
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csv += "${size * 1000000};";
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var cryptoTime = 0;
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// Encryption
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var before = DateTime.now();
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Object encryptedBigFile;
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var before = DateTime.now();
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if (usePc) {
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encryptedBigFile = pc.encrypt(b, state.secretKey.bytes);
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encryptedBigFile = pc.encrypt(dummyBytes, state.secretKey.bytes);
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} else {
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encryptedBigFile = await cipher.encrypt(b);
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encryptedBigFile = await cipher.encrypt(dummyBytes);
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}
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var after = DateTime.now();
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var benchmark =
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after.millisecondsSinceEpoch - before.millisecondsSinceEpoch;
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benchmarkStatus.append('[$size MB] Encryption took $benchmark ms\n');
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benchmarkStatus
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.appendln('[Benchmark] ${size}MiB => Encryption took $benchmark ms');
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csvLine.write('$benchmark');
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csv += "$benchmark;";
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cryptoTime += benchmark;
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// Decryption
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before = DateTime.now();
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if (usePc) {
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pc.decrypt(encryptedBigFile as Uint8List, state.secretKey.bytes);
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} else {
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await cipher.decrypt(encryptedBigFile as CipherText);
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if (!encryptionOnly) {
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// Decryption
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before = DateTime.now();
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if (usePc) {
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pc.decrypt(encryptedBigFile as Uint8List, state.secretKey.bytes);
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} else {
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await cipher.decrypt(encryptedBigFile as CipherText);
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}
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after = DateTime.now();
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benchmark =
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after.millisecondsSinceEpoch - before.millisecondsSinceEpoch;
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benchmarkStatus
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.appendln('[Benchmark] ${size}MiB => Decryption took $benchmark ms');
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csvLine.write(';$benchmark');
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}
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after = DateTime.now();
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benchmark = after.millisecondsSinceEpoch - before.millisecondsSinceEpoch;
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benchmarkStatus.append('[$size MB] Decryption took $benchmark ms\n');
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csv += "$benchmark;";
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cryptoTime += benchmark;
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csv += "$cryptoTime\n";
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csv += csvLine.toString() + '\n';
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}
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var afterBench = DateTime.now();
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var benchmark =
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afterBench.millisecondsSinceEpoch - beforeBench.millisecondsSinceEpoch;
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var sum = testedSizes.reduce((a, b) => a + b);
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benchmarkStatus.append(
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'Benchmark finished.\nGenerated, encrypted and decrypted $sum MB in $benchmark ms');
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debugPrint("[Benchmark cvs]\n$csv");
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benchmarkStatus
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.appendln('[Benchmark] Finished: ${sum}MiB in $benchmark ms');
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benchmarkStatus.appendln('[Benchmark] Check the console for csv data');
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benchmarkStatus.appendln(csv);
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print(csv);
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}
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void _clear() {
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@ -174,34 +147,36 @@ class BenchmarkPage extends ConsumerWidget {
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alignment: Alignment.centerLeft,
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),
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keyContent,
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Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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Wrap(
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children: [
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Row(
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mainAxisAlignment: MainAxisAlignment.spaceEvenly,
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children: [
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Button(
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() => _benchmark(ref, cipher),
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"NativeCrypto",
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),
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Button(
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() => _benchmark(ref, cipher, usePc: true),
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"PointyCastle",
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),
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],
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Button(
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() => _benchmark(ref, cipher),
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"NativeCrypto",
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),
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Row(
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mainAxisAlignment: MainAxisAlignment.spaceEvenly,
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children: [
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Button(
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() => _benchmarkEncryptionOnly(ref, cipher),
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"NC Persistence",
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),
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Button(
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_clear,
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"Clear",
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),
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],
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const SizedBox(width: 8),
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Button(
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() => _benchmark(ref, cipher, usePc: true),
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"PointyCastle",
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),
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const SizedBox(width: 8),
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Button(
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() => _benchmark(ref, cipher, encryptionOnly: true),
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"NC Encryption Only",
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),
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const SizedBox(width: 8),
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Button(
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() => _benchmark(
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ref,
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cipher,
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usePc: true,
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encryptionOnly: true,
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),
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"PC Encryption Only",
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),
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const SizedBox(width: 8),
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Button(
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_clear,
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"Clear",
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),
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],
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),
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@ -3,7 +3,7 @@
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// -----
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// File: output.dart
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// Created Date: 28/12/2021 13:31:39
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// Last Modified: 28/12/2021 14:12:11
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// Last Modified: 25/05/2022 16:39:39
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// -----
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// Copyright (c) 2021
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