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Investigate in slow data transferts

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This commit is contained in:
Hugo Pointcheval 2021-12-28 17:10:18 +01:00
parent 3381ff67b9
commit 41b59b2b93
3 changed files with 96 additions and 32 deletions
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1
native_crypto/example/android/app/src/main/AndroidManifest.xml
View File

@ -3,7 +3,6 @@
<application
android:label="native_crypto_example"
android:name="${applicationName}"
android:largeHeap="true"
android:icon="@mipmap/ic_launcher">
<activity
android:name=".MainActivity"

39
native_crypto/example/lib/pages/benchmark_page.dart
View File

@ -3,7 +3,7 @@
// -----
// File: benchmark_page.dart
// Created Date: 28/12/2021 15:12:39
// Last Modified: 28/12/2021 15:21:05
// Last Modified: 28/12/2021 17:01:41
// -----
// Copyright (c) 2021
@ -23,6 +23,34 @@ class BenchmarkPage extends ConsumerWidget {
final Output keyContent = Output();
final Output benchmarkStatus = Output(large: true);
Future<void> _test(WidgetRef ref, Cipher cipher) async {
Session state = ref.read(sessionProvider.state).state;
if (state.secretKey.bytes.isEmpty) {
benchmarkStatus
.print('No SecretKey!\nGo in Key tab and generate or derive one.');
return;
}
int size = 64;
benchmarkStatus.print("Benchmark Test\n");
// Encryption
var before = DateTime.now();
var encryptedBigFile = await cipher.encrypt(Uint8List(size * 1000000));
var after = DateTime.now();
var benchmark =
after.millisecondsSinceEpoch - before.millisecondsSinceEpoch;
benchmarkStatus.append('[$size MB] Encryption took $benchmark ms\n');
// Decryption
var befored = DateTime.now();
await cipher.decrypt(encryptedBigFile);
var afterd = DateTime.now();
var benchmarkd = afterd.millisecondsSinceEpoch - befored.millisecondsSinceEpoch;
benchmarkStatus.append('[$size MB] Decryption took $benchmarkd ms\n');
}
Future<void> _benchmark(WidgetRef ref, Cipher cipher) async {
Session state = ref.read(sessionProvider.state).state;
@ -39,13 +67,14 @@ class BenchmarkPage extends ConsumerWidget {
var beforeBench = DateTime.now();
for (int size in testedSizes) {
var bigFile = Uint8List(size * 1000000);
var b = ByteData(size * 1000000);
//var bigFile = Uint8List.view();
csv += "${size * 1000000};";
var cryptoTime = 0;
// Encryption
var before = DateTime.now();
var encryptedBigFile = await cipher.encrypt(bigFile);
var encryptedBigFile = await cipher.encrypt(b.buffer.asUint8List());
var after = DateTime.now();
var benchmark =
@ -122,6 +151,10 @@ class BenchmarkPage extends ConsumerWidget {
() => _benchmark(ref, cipher),
"Launch benchmark",
),
Button(
() => _test(ref, cipher),
"Test benchmark",
),
Button(
_clear,
"Clear",

88
native_crypto_android/android/src/main/kotlin/fr/pointcheval/native_crypto_android/NativeCryptoAndroidPlugin.kt
View File

@ -18,53 +18,85 @@ class NativeCryptoAndroidPlugin: FlutterPlugin, MethodCallHandler {
private lateinit var channel : MethodChannel
override fun onAttachedToEngine(@NonNull flutterPluginBinding: FlutterPlugin.FlutterPluginBinding) {
channel = MethodChannel(flutterPluginBinding.binaryMessenger, "plugins.hugop.cl/native_crypto")
channel = MethodChannel(flutterPluginBinding.flutterEngine.dartExecutor, "plugins.hugop.cl/native_crypto")
channel.setMethodCallHandler(this)
}
override fun onMethodCall(@NonNull call: MethodCall, @NonNull result: Result) {
when (call.method) {
"digest" -> {
val data : ByteArray? = call.argument<ByteArray>("data")
val algorithm : String? = call.argument<String>("algorithm")
// TODO(hpcl): check if algorithm is null
// TODO(hpcl): check if digest is null
result.success(Hash.digest(data, algorithm!!))
if (!call.hasArgument("data")) result.error("DATA_NULL", null, null);
if (!call.hasArgument("algorithm")) result.error("ALGORITHM_NULL", null, null);
val data : ByteArray = call.argument<ByteArray>("data")!!
val algorithm : String = call.argument<String>("algorithm")!!
result.success(Hash.digest(data, algorithm))
}
"generateSecretKey" -> {
val bitsCount : Int? = call.argument<Int>("bitsCount")
// TODO(hpcl): check null
result.success(Key.fromSecureRandom(bitsCount!!))
if (!call.hasArgument("bitsCount")) result.error("SIZE_NULL", null, null);
val bitsCount : Int = call.argument<Int>("bitsCount")!!
result.success(Key.fromSecureRandom(bitsCount))
}
"generateKeyPair" -> {
result.notImplemented()
}
"pbkdf2" -> {
val password : String? = call.argument<String>("password")
val salt : String? = call.argument<String>("salt")
val keyBytesCount : Int? = call.argument<Int>("keyBytesCount")
val iterations : Int? = call.argument<Int>("iterations")
val algorithm : String? = call.argument<String>("algorithm")
// TODO(hpcl): check null
result.success(Key.fromPBKDF2(password!!, salt!!, keyBytesCount!!, iterations!!, algorithm!!))
if (!call.hasArgument("password")) result.error("PASSWORD_NULL", null, null);
if (!call.hasArgument("salt")) result.error("SALT_NULL", null, null);
if (!call.hasArgument("keyBytesCount")) result.error("SIZE_NULL", null, null);
if (!call.hasArgument("iterations")) result.error("ITERATIONS_NULL", null, null);
if (!call.hasArgument("algorithm")) result.error("ALGORITHM_NULL", null, null);
val password : String = call.argument<String>("password")!!
val salt : String = call.argument<String>("salt")!!
val keyBytesCount : Int = call.argument<Int>("keyBytesCount")!!
val iterations : Int = call.argument<Int>("iterations")!!
val algorithm : String = call.argument<String>("algorithm")!!
result.success(Key.fromPBKDF2(password, salt, keyBytesCount, iterations, algorithm))
}
"encrypt" -> {
val data : ByteArray? = call.argument<ByteArray>("data")
val key : ByteArray? = call.argument<ByteArray>("key")
val algorithm : String? = call.argument<String>("algorithm")
// TODO(hpcl): check null
// TODO(hcpl): check algorithm
result.success(AESCipher().encrypt(data!!, key!!))
if (!call.hasArgument("data")) result.error("DATA_NULL", null, null);
if (!call.hasArgument("key")) result.error("KEY_NULL", null, null);
if (!call.hasArgument("algorithm")) result.error("ALGORITHM_NULL", null, null);
val data : ByteArray = call.argument<ByteArray>("data")!!
val key : ByteArray = call.argument<ByteArray>("key")!!
val algorithm : String = call.argument<String>("algorithm")!!
if (algorithm == "aes") {
result.success(AESCipher().encrypt(data, key))
}
}
"decrypt" -> {
val data : ByteArray? = call.argument<ByteArray>("data")
val key : ByteArray? = call.argument<ByteArray>("key")
val algorithm : String? = call.argument<String>("algorithm")
// TODO(hpcl): check null
// TODO(hcpl): check algorithm
result.success(AESCipher().decrypt(data!!, key!!))
if (!call.hasArgument("data")) result.error("DATA_NULL", null, null);
if (!call.hasArgument("key")) result.error("KEY_NULL", null, null);
if (!call.hasArgument("algorithm")) result.error("ALGORITHM_NULL", null, null);
val data : ByteArray = call.argument<ByteArray>("data")!!
val key : ByteArray = call.argument<ByteArray>("key")!!
val algorithm : String = call.argument<String>("algorithm")!!
if (algorithm == "aes") {
result.success(AESCipher().decrypt(data, key))
}
}
"generateSharedSecretKey" -> {
if (!call.hasArgument("salt")) result.error("SALT_NULL", null, null);
if (!call.hasArgument("keyBytesCount")) result.error("SIZE_NULL", null, null);
if (!call.hasArgument("ephemeralPrivateKey")) result.error("PRIVATE_KEY_NULL", null, null);
if (!call.hasArgument("otherPublicKey")) result.error("PUBLIC_KEY_NULL", null, null);
if (!call.hasArgument("hkdfAlgorithm")) result.error("ALGORITHM_NULL", null, null);
val salt : ByteArray = call.argument<ByteArray>("salt")!!
val keyBytesCount : Int = call.argument<Int>("keyBytesCount")!!
val ephemeralPrivateKey : ByteArray = call.argument<ByteArray>("ephemeralPrivateKey")!!
val otherPublicKey : ByteArray = call.argument<ByteArray>("otherPublicKey")!!
val hkdfAlgorithm : String = call.argument<String>("hkdfAlgorithm")!!
result.notImplemented()
}
else -> result.notImplemented()