Merge pull request 'Fix/Update' (#1) from Fix/Update into master
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Reviewed-on: #1
This commit is contained in:
Hugo Pointcheval 2022-06-01 11:51:15 +00:00
commit bee0b3e38e
257 changed files with 6610 additions and 2119 deletions

17
.drone.yml Normal file
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@ -0,0 +1,17 @@
kind: pipeline
type: docker
name: default
steps:
- name: test:all
image: cirrusci/flutter:stable
commands:
- PATH=$PATH:$HOME/.pub-cache/bin
- flutter doctor
- flutter pub global activate melos
- melos bs
- melos run test:all
trigger:
branch:
- master

View File

@ -1,7 +1,7 @@
# File created using '.gitignore Generator' for Visual Studio Code: https://bit.ly/vscode-gig
# Created by https://www.toptal.com/developers/gitignore/api/visualstudiocode,macos,dart,flutter,intellij+all,kotlin,linux,swift,windows
# Edit at https://www.toptal.com/developers/gitignore?templates=visualstudiocode,macos,dart,flutter,intellij+all,kotlin,linux,swift,windows
# Created by https://www.toptal.com/developers/gitignore/api/visualstudiocode,macos,dart,flutter,java,jetbrains+all,kotlin,linux,objective-c,rust,swift,windows,xcode
# Edit at https://www.toptal.com/developers/gitignore?templates=visualstudiocode,macos,dart,flutter,java,jetbrains+all,kotlin,linux,objective-c,rust,swift,windows,xcode
### Dart ###
# See https://www.dartlang.org/guides/libraries/private-files
@ -95,7 +95,33 @@ lib/generated_plugin_registrant.dart
!**/ios/**/default.perspectivev3
!/packages/flutter_tools/test/data/dart_dependencies_test/**/.packages
### Intellij+all ###
### Java ###
# Compiled class file
*.class
# Log file
*.log
# BlueJ files
*.ctxt
# Mobile Tools for Java (J2ME)
.mtj.tmp/
# Package Files #
*.jar
*.war
*.nar
*.ear
*.zip
*.tar.gz
*.rar
# virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
hs_err_pid*
replay_pid*
### JetBrains+all ###
# Covers JetBrains IDEs: IntelliJ, RubyMine, PhpStorm, AppCode, PyCharm, CLion, Android Studio, WebStorm and Rider
# Reference: https://intellij-support.jetbrains.com/hc/en-us/articles/206544839
@ -159,6 +185,9 @@ atlassian-ide-plugin.xml
# Cursive Clojure plugin
.idea/replstate.xml
# SonarLint plugin
.idea/sonarlint/
# Crashlytics plugin (for Android Studio and IntelliJ)
com_crashlytics_export_strings.xml
crashlytics.properties
@ -171,46 +200,27 @@ fabric.properties
# Android studio 3.1+ serialized cache file
.idea/caches/build_file_checksums.ser
### Intellij+all Patch ###
# Ignores the whole .idea folder and all .iml files
# See https://github.com/joeblau/gitignore.io/issues/186 and https://github.com/joeblau/gitignore.io/issues/360
### JetBrains+all Patch ###
# Ignore everything but code style settings and run configurations
# that are supposed to be shared within teams.
.idea/
.idea/*
# Reason: https://github.com/joeblau/gitignore.io/issues/186#issuecomment-249601023
*.iml
modules.xml
.idea/misc.xml
*.ipr
# Sonarlint plugin
.idea/sonarlint
!.idea/codeStyles
!.idea/runConfigurations
### Kotlin ###
# Compiled class file
*.class
# Log file
*.log
# BlueJ files
*.ctxt
# Mobile Tools for Java (J2ME)
.mtj.tmp/
# Package Files #
*.jar
*.war
*.nar
*.ear
*.zip
*.tar.gz
*.rar
# virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
hs_err_pid*
### Linux ###
*~
@ -234,7 +244,8 @@ hs_err_pid*
.LSOverride
# Icon must end with two \r
Icon
Icon
# Thumbnails
._*
@ -255,7 +266,11 @@ Network Trash Folder
Temporary Items
.apdisk
### Swift ###
### macOS Patch ###
# iCloud generated files
*.icloud
### Objective-C ###
# Xcode
#
# gitignore contributors: remember to update Global/Xcode.gitignore, Objective-C.gitignore & Swift.gitignore
@ -287,6 +302,64 @@ DerivedData/
*.dSYM.zip
*.dSYM
# CocoaPods
# We recommend against adding the Pods directory to your .gitignore. However
# you should judge for yourself, the pros and cons are mentioned at:
# https://guides.cocoapods.org/using/using-cocoapods.html#should-i-check-the-pods-directory-into-source-control
# Pods/
# Add this line if you want to avoid checking in source code from the Xcode workspace
# *.xcworkspace
# Carthage
# Add this line if you want to avoid checking in source code from Carthage dependencies.
# Carthage/Checkouts
Carthage/Build/
# fastlane
# It is recommended to not store the screenshots in the git repo.
# Instead, use fastlane to re-generate the screenshots whenever they are needed.
# For more information about the recommended setup visit:
# https://docs.fastlane.tools/best-practices/source-control/#source-control
fastlane/report.xml
fastlane/Preview.html
fastlane/screenshots/**/*.png
fastlane/test_output
# Code Injection
# After new code Injection tools there's a generated folder /iOSInjectionProject
# https://github.com/johnno1962/injectionforxcode
iOSInjectionProject/
### Objective-C Patch ###
### Rust ###
# Generated by Cargo
# will have compiled files and executables
debug/
target/
# Remove Cargo.lock from gitignore if creating an executable, leave it for libraries
# More information here https://doc.rust-lang.org/cargo/guide/cargo-toml-vs-cargo-lock.html
Cargo.lock
# These are backup files generated by rustfmt
**/*.rs.bk
# MSVC Windows builds of rustc generate these, which store debugging information
*.pdb
### Swift ###
# Xcode
# gitignore contributors: remember to update Global/Xcode.gitignore, Objective-C.gitignore & Swift.gitignore
## Playgrounds
timeline.xctimeline
playground.xcworkspace
@ -315,7 +388,6 @@ playground.xcworkspace
# Add this line if you want to avoid checking in source code from Carthage dependencies.
# Carthage/Checkouts
Carthage/Build/
# Accio dependency management
Dependencies/
@ -327,16 +399,11 @@ Dependencies/
# For more information about the recommended setup visit:
# https://docs.fastlane.tools/best-practices/source-control/#source-control
fastlane/report.xml
fastlane/Preview.html
fastlane/screenshots/**/*.png
fastlane/test_output
# Code Injection
# After new code Injection tools there's a generated folder /iOSInjectionProject
# https://github.com/johnno1962/injectionforxcode
iOSInjectionProject/
### VisualStudioCode ###
.vscode/*
@ -344,18 +411,24 @@ iOSInjectionProject/
!.vscode/tasks.json
!.vscode/launch.json
!.vscode/extensions.json
*.code-workspace
!.vscode/*.code-snippets
# Local History for Visual Studio Code
.history/
# Built Visual Studio Code Extensions
*.vsix
### VisualStudioCode Patch ###
# Ignore all local history of files
.history
.ionide
# Support for Project snippet scope
!.vscode/*.code-snippets
.vscode/*.code-snippets
# Ignore code-workspaces
*.code-workspace
### Windows ###
# Windows thumbnail cache files
@ -383,7 +456,27 @@ $RECYCLE.BIN/
# Windows shortcuts
*.lnk
# End of https://www.toptal.com/developers/gitignore/api/visualstudiocode,macos,dart,flutter,intellij+all,kotlin,linux,swift,windows
### Xcode ###
## Xcode 8 and earlier
### Xcode Patch ###
*.xcodeproj/*
!*.xcodeproj/project.pbxproj
!*.xcodeproj/xcshareddata/
!*.xcworkspace/contents.xcworkspacedata
/*.gcno
**/xcshareddata/WorkspaceSettings.xcsettings
# End of https://www.toptal.com/developers/gitignore/api/visualstudiocode,macos,dart,flutter,java,jetbrains+all,kotlin,linux,objective-c,rust,swift,windows,xcode
# Custom rules (everything added below won't be overriden by 'Generate .gitignore File' if you use 'Update' option)
# IntelliJ
*.iml
*.ipr
*.iws
.idea/
# Mac
.DS_Store

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.vscode/launch.json vendored Normal file
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@ -0,0 +1,28 @@
{
// Use IntelliSense to learn about possible attributes.
// Hover to view descriptions of existing attributes.
// For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
"version": "0.2.0",
"configurations": [
{
"name": "native_crypto",
"cwd": "packages/native_crypto/example",
"request": "launch",
"type": "dart"
},
{
"name": "native_crypto (profile mode)",
"cwd": "packages/native_crypto/example",
"request": "launch",
"type": "dart",
"flutterMode": "profile"
},
{
"name": "native_crypto (release mode)",
"cwd": "packages/native_crypto/example",
"request": "launch",
"type": "dart",
"flutterMode": "release"
},
]
}

6
AUTHORS Normal file
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@ -0,0 +1,6 @@
# Below is a list of people and organizations that have contributed
# to this project. Names should be added to the list like so:
#
# Name/Organization <email address>
Hugo Pointcheval <git@pcl.ovh>

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CHANGELOG.md Normal file
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@ -0,0 +1,66 @@
# Change Log
All notable changes to this project will be documented in this file.
See [Conventional Commits](https://conventionalcommits.org) for commit guidelines.
## 2022-05-25
### Changes
---
Packages with breaking changes:
- There are no breaking changes in this release.
Packages with other changes:
- [`native_crypto` - `v0.1.1`](#native_crypto---v011)
---
#### `native_crypto` - `v0.1.1`
- **REFACTOR**: change file organization.
- **PERF**: x10 perfomance improvement on android with better list management.
- **FIX**: benchmark output.
- **FIX**: update and fix code.
- **FEAT**: export new exceptions.
- **FEAT**: add PointyCastle benchmark.
- **DOCS**: add link to readme file.
## 2022-05-25
### Changes
---
Packages with breaking changes:
- There are no breaking changes in this release.
Packages with other changes:
- [`native_crypto_ios` - `v0.1.1`](#native_crypto_ios---v011)
- [`native_crypto_android` - `v0.1.1`](#native_crypto_android---v011)
- [`native_crypto_platform_interface` - `v0.1.1`](#native_crypto_platform_interface---v011)
---
#### `native_crypto_ios` - `v0.1.1`
- **REFACTOR**: rework swift part.
- **PERF**: optimize swift code.
#### `native_crypto_android` - `v0.1.1`
- **REFACTOR**: clean and modernize kotlin code.
- **PERF**: x10 perfomance improvement on android with better list management.
- **FEAT**: export new exceptions.
#### `native_crypto_platform_interface` - `v0.1.1`
- **PERF**: x10 perfomance improvement on android with better list management.
- **FEAT**: export new exceptions.

21
LICENSE Normal file
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@ -0,0 +1,21 @@
MIT License
Copyright (c) 2022 Hugo Pointcheval
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

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README.md Normal file
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<p align="center">
<img width="700px" src="resources/native_crypto.png" style="background-color: rgb(255,255,255)">
<h5 align="center">Fast and powerful cryptographic functions for Flutter.</h5>
</p>
<p align="center">
<a href="https://git.wyatt-studio.fr/Wyatt-FOSS/wyatt-packages/src/branch/master/packages/wyatt_analysis">
<img src="https://img.shields.io/badge/Style-Wyatt%20Analysis-blue.svg?style=flat-square" alt="Style: Wyatt Analysis" />
</a>
<a href="https://github.com/invertase/melos">
<img src="https://img.shields.io/badge/Maintained%20with-melos-f700ff.svg?style=flat-square" alt="Maintained with Melos" />
</a>
<a href="https://drone.wyatt-studio.fr/hugo/native-crypto">
<img src="https://drone.wyatt-studio.fr/api/badges/hugo/native-crypto/status.svg" alt="Build Status" />
</a>
</p>
---
[[Changelog]](./CHANGELOG.md) | [[License]](./LICENSE)
---
## About
The goal of this plugin is to provide a fast and powerful cryptographic functions by calling native libraries. On Android, it uses [javax.cypto](https://developer.android.com/reference/javax/crypto/package-summary), and on iOS, it uses [CommonCrypto](https://opensource.apple.com/source/CommonCrypto/) and [CryptoKit](https://developer.apple.com/documentation/cryptokit/)
I started this projet because I wanted to add cryptographic functions on a Flutter app. But I faced a problem with the well-known [Pointy Castle](https://pub.dev/packages/pointycastle) library: the performance was very poor. Here some benchmarks and comparison:
![](resources/benchmarks.png)
For comparison, on a *iPhone 13*, you can encrypt/decrypt a message of **2MiB** in **~5.6s** with PointyCastle and in **~40ms** with NativeCrypto. And on an *OnePlus 5*, you can encrypt/decrypt a message of **50MiB** in **~6min30** with PointyCastle and in less than **~1s** with NativeCrypto.
In short, NativeCrypto is incomparable with PointyCastle.
## Usage
First, check compatibility with your targets.
| iOS | Android | MacOS | Linux | Windows | Web |
| --- | ------- | ----- | ----- | ------- | --- |
| ✅ | ✅ | ❌ | ❌ | ❌ | ❌ |
#### Hash
To digest a message, you can use the following function:
```dart
Uint8List hash = await HashAlgorithm.sha256.digest(message);
```
> In NativeCrypto, you can use the following hash functions: SHA-256, SHA-384, SHA-512
#### Keys
You can build a `SecretKey` from a utf8, base64, base16 (hex) strings or raw bytes. You can also generate a SecretKey from secure random.
```dart
SecretKey secretKey = SecretKey(Uint8List.fromList([0x73, 0x65, 0x63, 0x72, 0x65, 0x74]));
SecretKey secretKey = SecretKey.fromUtf8('secret');
SecretKey secretKey = SecretKey.fromBase64('c2VjcmV0');
SecretKey secretKey = SecretKey.fromBase16('63657274');
SecretKey secretKey = await SecretKey.fromSecureRandom(256);
```
#### Key derivation
You can derive a `SecretKey` using **PBKDF2**.
First, you need to initialize a `Pbkdf2` object.
```dart
Pbkdf2 pbkdf2 = Pbkdf2(
keyBytesCount: 32,
iterations: 1000,
algorithm: HashAlgorithm.sha512,
);
```
Then, you can derive a `SecretKey` from a password and salt.
```dart
SecretKey secretKey = await pbkdf2.derive(password: password, salt: 'salt');
```
> In NativeCrypto, you can use the following key derivation function: PBKDF2
#### Cipher
And now, you can use the `SecretKey` to encrypt/decrypt a message.
First, you need to initialize a `Cipher` object.
```dart
AES cipher = AES(secretKey);
```
Then, you can encrypt your message.
```dart
CipherTextWrapper wrapper = await cipher.encrypt(message);
CipherText cipherText = wrapper.unwrap<CipherText>();
// same as
CipherText cipherText = wrapper.single;
// or
List<CipherText> cipherTexts = wrapper.unwrap<List<CipherText>>();
// same as
List<CipherText> cipherTexts = wrapper.list;
```
After an encryption you obtain a `CipherTextWrapper` which contains `CipherText` or `List<CipherText>` depending on the message size. It's up to you to know how to unwrap the `CipherTextWrapper` depending the chunk size you configured.
Uppon receiving encrypted message, you can decrypt it.
You have to reconstruct the wrapper before decrypting.
```dart
CipherTextWrapper wrapper = CipherTextWrapper.fromBytes(
data,
ivLength: AESMode.gcm.ivLength,
tagLength: AESMode.gcm.tagLength,
);
```
Then, you can decrypt your message.
```dart
Uint8List message = await cipher.decrypt(wrapper);
```

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@ -0,0 +1,57 @@
name: NativeCrypto
# repository: https://git.pointcheval.fr/NativeCrypto/native-crypto-flutter
packages:
- packages/**
command:
version:
updateGitTagRefs: true
linkToCommits: false # Gitea not support this
workspaceChangelog: true
# branch: master
scripts:
lint:all:
run: melos run analyze && melos run format
description: Run all static analysis checks.
test:all:
run: |
melos run test --no-select
description: |
Run all tests available.
test:
run: |
melos exec -c 6 --fail-fast -- \
"flutter test --no-pub --no-test-assets"
description: Run `flutter test` for a specific package.
select-package:
dir-exists:
- test
ignore:
- "*web*"
- "*example*"
analyze:
run: |
melos exec -c 10 -- \
flutter analyze --fatal-infos
description: Run `flutter analyze` for all packages.
format:
run: melos exec flutter format . --fix
description: Run `flutter format` for all packages.
format-check:
run: melos exec flutter format . --set-exit-if-changed
description: Run `flutter format` checks for all packages.
clean:deep:
run: git clean -x -d -f -q
description: Clean things very deeply with `git clean`.
# Additional cleanup lifecycle script, executed when `melos clean` is run.
postclean: >
melos exec -c 6 -- "flutter clean"

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@ -1,3 +0,0 @@
## 0.0.1
* TODO: Describe initial release.

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@ -1 +0,0 @@
TODO: Add your license here.

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@ -1,18 +0,0 @@
# native_crypto
A new flutter plugin project.
## Getting Started
This project is a starting point for a Flutter
[plug-in package](https://flutter.dev/developing-packages/),
a specialized package that includes platform-specific implementation code for
Android and/or iOS.
For help getting started with Flutter, view our
[online documentation](https://flutter.dev/docs), which offers tutorials,
samples, guidance on mobile development, and a full API reference.
The plugin project was generated without specifying the `--platforms` flag, no platforms are currently supported.
To add platforms, run `flutter create -t plugin --platforms <platforms> .` under the same
directory. You can also find a detailed instruction on how to add platforms in the `pubspec.yaml` at https://flutter.dev/docs/development/packages-and-plugins/developing-packages#plugin-platforms.

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@ -1,4 +0,0 @@
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# Additional information about this file can be found at
# https://dart.dev/guides/language/analysis-options

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defaultConfigurationIsVisible = 0;
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rootObject = 97C146E61CF9000F007C117D /* Project object */;
}

View File

@ -1,7 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?>
<Workspace
version = "1.0">
<FileRef
location = "group:Runner.xcodeproj">
</FileRef>
</Workspace>

View File

@ -1,62 +0,0 @@
import 'package:flutter/material.dart';
import 'dart:async';
import 'package:flutter/services.dart';
import 'package:native_crypto/native_crypto.dart';
void main() {
runApp(const MyApp());
}
class MyApp extends StatefulWidget {
const MyApp({Key? key}) : super(key: key);
@override
State<MyApp> createState() => _MyAppState();
}
class _MyAppState extends State<MyApp> {
String _platformVersion = 'Unknown';
@override
void initState() {
super.initState();
initPlatformState();
}
// Platform messages are asynchronous, so we initialize in an async method.
Future<void> initPlatformState() async {
String platformVersion;
// Platform messages may fail, so we use a try/catch PlatformException.
// We also handle the message potentially returning null.
try {
platformVersion =
await NativeCrypto.platformVersion ?? 'Unknown platform version';
} on PlatformException {
platformVersion = 'Failed to get platform version.';
}
// 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(() {
_platformVersion = platformVersion;
});
}
@override
Widget build(BuildContext context) {
return MaterialApp(
home: Scaffold(
appBar: AppBar(
title: const Text('Plugin example app'),
),
body: Center(
child: Text('Running on: $_platformVersion\n'),
),
),
);
}
}

View File

@ -1,27 +0,0 @@
// This is a basic Flutter widget test.
//
// To perform an interaction with a widget in your test, use the WidgetTester
// utility that Flutter provides. For example, you can send tap and scroll
// gestures. You can also use WidgetTester to find child widgets in the widget
// tree, read text, and verify that the values of widget properties are correct.
import 'package:flutter/material.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:native_crypto_example/main.dart';
void main() {
testWidgets('Verify Platform version', (WidgetTester tester) async {
// Build our app and trigger a frame.
await tester.pumpWidget(const MyApp());
// Verify that platform version is retrieved.
expect(
find.byWidgetPredicate(
(Widget widget) => widget is Text &&
widget.data!.startsWith('Running on:'),
),
findsOneWidget,
);
});
}

View File

@ -1,17 +0,0 @@
// You have generated a new plugin project without
// specifying the `--platforms` flag. A plugin project supports no platforms is generated.
// To add platforms, run `flutter create -t plugin --platforms <platforms> .` under the same
// directory. You can also find a detailed instruction on how to add platforms in the `pubspec.yaml` at https://flutter.dev/docs/development/packages-and-plugins/developing-packages#plugin-platforms.
import 'dart:async';
import 'package:flutter/services.dart';
class NativeCrypto {
static const MethodChannel _channel = MethodChannel('native_crypto');
static Future<String?> get platformVersion async {
final String? version = await _channel.invokeMethod('getPlatformVersion');
return version;
}
}

View File

@ -1,28 +0,0 @@
name: native_crypto
description: Fast and secure cryptography for Flutter.
version: 0.0.7
publish_to: 'none'
environment:
sdk: ">=2.15.0 <3.0.0"
flutter: ">=2.5.0"
dependencies:
flutter:
sdk: flutter
native_crypto_ios:
path: ../native_crypto_ios
dev_dependencies:
flutter_test:
sdk: flutter
flutter_lints: ^1.0.4
flutter:
plugin:
platforms:
# android:
# default_package: native_crypto_android
ios:
default_package: native_crypto_ios

View File

@ -1,23 +0,0 @@
import 'package:flutter/services.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:native_crypto/native_crypto.dart';
void main() {
const MethodChannel channel = MethodChannel('native_crypto');
TestWidgetsFlutterBinding.ensureInitialized();
setUp(() {
channel.setMockMethodCallHandler((MethodCall methodCall) async {
return '42';
});
});
tearDown(() {
channel.setMockMethodCallHandler(null);
});
test('getPlatformVersion', () async {
expect(await NativeCrypto.platformVersion, '42');
});
}

View File

@ -1,3 +0,0 @@
## 0.0.1
* TODO: Describe initial release.

View File

@ -1,16 +0,0 @@
# native_crypto_ios_example
Demonstrates how to use the native_crypto_ios plugin.
## Getting Started
This project is a starting point for a Flutter application.
A few resources to get you started if this is your first Flutter project:
- [Lab: Write your first Flutter app](https://flutter.dev/docs/get-started/codelab)
- [Cookbook: Useful Flutter samples](https://flutter.dev/docs/cookbook)
For help getting started with Flutter, view our
[online documentation](https://flutter.dev/docs), which offers tutorials,
samples, guidance on mobile development, and a full API reference.

View File

@ -1,29 +0,0 @@
# This file configures the analyzer, which statically analyzes Dart code to
# check for errors, warnings, and lints.
#
# The issues identified by the analyzer are surfaced in the UI of Dart-enabled
# IDEs (https://dart.dev/tools#ides-and-editors). The analyzer can also be
# invoked from the command line by running `flutter analyze`.
# The following line activates a set of recommended lints for Flutter apps,
# packages, and plugins designed to encourage good coding practices.
include: package:flutter_lints/flutter.yaml
linter:
# The lint rules applied to this project can be customized in the
# section below to disable rules from the `package:flutter_lints/flutter.yaml`
# included above or to enable additional rules. A list of all available lints
# and their documentation is published at
# https://dart-lang.github.io/linter/lints/index.html.
#
# Instead of disabling a lint rule for the entire project in the
# section below, it can also be suppressed for a single line of code
# or a specific dart file by using the `// ignore: name_of_lint` and
# `// ignore_for_file: name_of_lint` syntax on the line or in the file
# producing the lint.
rules:
# avoid_print: false # Uncomment to disable the `avoid_print` rule
# prefer_single_quotes: true # Uncomment to enable the `prefer_single_quotes` rule
# Additional information about this file can be found at
# https://dart.dev/guides/language/analysis-options

View File

@ -1,34 +0,0 @@
**/dgph
*.mode1v3
*.mode2v3
*.moved-aside
*.pbxuser
*.perspectivev3
**/*sync/
.sconsign.dblite
.tags*
**/.vagrant/
**/DerivedData/
Icon?
**/Pods/
**/.symlinks/
profile
xcuserdata
**/.generated/
Flutter/App.framework
Flutter/Flutter.framework
Flutter/Flutter.podspec
Flutter/Generated.xcconfig
Flutter/ephemeral/
Flutter/app.flx
Flutter/app.zip
Flutter/flutter_assets/
Flutter/flutter_export_environment.sh
ServiceDefinitions.json
Runner/GeneratedPluginRegistrant.*
# Exceptions to above rules.
!default.mode1v3
!default.mode2v3
!default.pbxuser
!default.perspectivev3

View File

@ -1,26 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
<key>CFBundleDevelopmentRegion</key>
<string>en</string>
<key>CFBundleExecutable</key>
<string>App</string>
<key>CFBundleIdentifier</key>
<string>io.flutter.flutter.app</string>
<key>CFBundleInfoDictionaryVersion</key>
<string>6.0</string>
<key>CFBundleName</key>
<string>App</string>
<key>CFBundlePackageType</key>
<string>FMWK</string>
<key>CFBundleShortVersionString</key>
<string>1.0</string>
<key>CFBundleSignature</key>
<string>????</string>
<key>CFBundleVersion</key>
<string>1.0</string>
<key>MinimumOSVersion</key>
<string>9.0</string>
</dict>
</plist>

View File

@ -1,2 +0,0 @@
#include? "Pods/Target Support Files/Pods-Runner/Pods-Runner.debug.xcconfig"
#include "Generated.xcconfig"

View File

@ -1,2 +0,0 @@
#include? "Pods/Target Support Files/Pods-Runner/Pods-Runner.release.xcconfig"
#include "Generated.xcconfig"

View File

@ -1,41 +0,0 @@
# Uncomment this line to define a global platform for your project
# platform :ios, '9.0'
# CocoaPods analytics sends network stats synchronously affecting flutter build latency.
ENV['COCOAPODS_DISABLE_STATS'] = 'true'
project 'Runner', {
'Debug' => :debug,
'Profile' => :release,
'Release' => :release,
}
def flutter_root
generated_xcode_build_settings_path = File.expand_path(File.join('..', 'Flutter', 'Generated.xcconfig'), __FILE__)
unless File.exist?(generated_xcode_build_settings_path)
raise "#{generated_xcode_build_settings_path} must exist. If you're running pod install manually, make sure flutter pub get is executed first"
end
File.foreach(generated_xcode_build_settings_path) do |line|
matches = line.match(/FLUTTER_ROOT\=(.*)/)
return matches[1].strip if matches
end
raise "FLUTTER_ROOT not found in #{generated_xcode_build_settings_path}. Try deleting Generated.xcconfig, then run flutter pub get"
end
require File.expand_path(File.join('packages', 'flutter_tools', 'bin', 'podhelper'), flutter_root)
flutter_ios_podfile_setup
target 'Runner' do
use_frameworks!
use_modular_headers!
flutter_install_all_ios_pods File.dirname(File.realpath(__FILE__))
end
post_install do |installer|
installer.pods_project.targets.each do |target|
flutter_additional_ios_build_settings(target)
end
end

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@ -1,7 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?>
<Workspace
version = "1.0">
<FileRef
location = "self:">
</FileRef>
</Workspace>

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@ -1,8 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
<key>IDEDidComputeMac32BitWarning</key>
<true/>
</dict>
</plist>

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@ -1,8 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
<key>PreviewsEnabled</key>
<false/>
</dict>
</plist>

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@ -1,87 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?>
<Scheme
LastUpgradeVersion = "1300"
version = "1.3">
<BuildAction
parallelizeBuildables = "YES"
buildImplicitDependencies = "YES">
<BuildActionEntries>
<BuildActionEntry
buildForTesting = "YES"
buildForRunning = "YES"
buildForProfiling = "YES"
buildForArchiving = "YES"
buildForAnalyzing = "YES">
<BuildableReference
BuildableIdentifier = "primary"
BlueprintIdentifier = "97C146ED1CF9000F007C117D"
BuildableName = "Runner.app"
BlueprintName = "Runner"
ReferencedContainer = "container:Runner.xcodeproj">
</BuildableReference>
</BuildActionEntry>
</BuildActionEntries>
</BuildAction>
<TestAction
buildConfiguration = "Debug"
selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
shouldUseLaunchSchemeArgsEnv = "YES">
<MacroExpansion>
<BuildableReference
BuildableIdentifier = "primary"
BlueprintIdentifier = "97C146ED1CF9000F007C117D"
BuildableName = "Runner.app"
BlueprintName = "Runner"
ReferencedContainer = "container:Runner.xcodeproj">
</BuildableReference>
</MacroExpansion>
<Testables>
</Testables>
</TestAction>
<LaunchAction
buildConfiguration = "Debug"
selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
launchStyle = "0"
useCustomWorkingDirectory = "NO"
ignoresPersistentStateOnLaunch = "NO"
debugDocumentVersioning = "YES"
debugServiceExtension = "internal"
allowLocationSimulation = "YES">
<BuildableProductRunnable
runnableDebuggingMode = "0">
<BuildableReference
BuildableIdentifier = "primary"
BlueprintIdentifier = "97C146ED1CF9000F007C117D"
BuildableName = "Runner.app"
BlueprintName = "Runner"
ReferencedContainer = "container:Runner.xcodeproj">
</BuildableReference>
</BuildableProductRunnable>
</LaunchAction>
<ProfileAction
buildConfiguration = "Profile"
shouldUseLaunchSchemeArgsEnv = "YES"
savedToolIdentifier = ""
useCustomWorkingDirectory = "NO"
debugDocumentVersioning = "YES">
<BuildableProductRunnable
runnableDebuggingMode = "0">
<BuildableReference
BuildableIdentifier = "primary"
BlueprintIdentifier = "97C146ED1CF9000F007C117D"
BuildableName = "Runner.app"
BlueprintName = "Runner"
ReferencedContainer = "container:Runner.xcodeproj">
</BuildableReference>
</BuildableProductRunnable>
</ProfileAction>
<AnalyzeAction
buildConfiguration = "Debug">
</AnalyzeAction>
<ArchiveAction
buildConfiguration = "Release"
revealArchiveInOrganizer = "YES">
</ArchiveAction>
</Scheme>

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@ -1,8 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
<key>IDEDidComputeMac32BitWarning</key>
<true/>
</dict>
</plist>

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@ -1,8 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
<key>PreviewsEnabled</key>
<false/>
</dict>
</plist>

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@ -1,13 +0,0 @@
import UIKit
import Flutter
@UIApplicationMain
@objc class AppDelegate: FlutterAppDelegate {
override func application(
_ application: UIApplication,
didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?
) -> Bool {
GeneratedPluginRegistrant.register(with: self)
return super.application(application, didFinishLaunchingWithOptions: launchOptions)
}
}

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@ -1,122 +0,0 @@
{
"images" : [
{
"size" : "20x20",
"idiom" : "iphone",
"filename" : "Icon-App-20x20@2x.png",
"scale" : "2x"
},
{
"size" : "20x20",
"idiom" : "iphone",
"filename" : "Icon-App-20x20@3x.png",
"scale" : "3x"
},
{
"size" : "29x29",
"idiom" : "iphone",
"filename" : "Icon-App-29x29@1x.png",
"scale" : "1x"
},
{
"size" : "29x29",
"idiom" : "iphone",
"filename" : "Icon-App-29x29@2x.png",
"scale" : "2x"
},
{
"size" : "29x29",
"idiom" : "iphone",
"filename" : "Icon-App-29x29@3x.png",
"scale" : "3x"
},
{
"size" : "40x40",
"idiom" : "iphone",
"filename" : "Icon-App-40x40@2x.png",
"scale" : "2x"
},
{
"size" : "40x40",
"idiom" : "iphone",
"filename" : "Icon-App-40x40@3x.png",
"scale" : "3x"
},
{
"size" : "60x60",
"idiom" : "iphone",
"filename" : "Icon-App-60x60@2x.png",
"scale" : "2x"
},
{
"size" : "60x60",
"idiom" : "iphone",
"filename" : "Icon-App-60x60@3x.png",
"scale" : "3x"
},
{
"size" : "20x20",
"idiom" : "ipad",
"filename" : "Icon-App-20x20@1x.png",
"scale" : "1x"
},
{
"size" : "20x20",
"idiom" : "ipad",
"filename" : "Icon-App-20x20@2x.png",
"scale" : "2x"
},
{
"size" : "29x29",
"idiom" : "ipad",
"filename" : "Icon-App-29x29@1x.png",
"scale" : "1x"
},
{
"size" : "29x29",
"idiom" : "ipad",
"filename" : "Icon-App-29x29@2x.png",
"scale" : "2x"
},
{
"size" : "40x40",
"idiom" : "ipad",
"filename" : "Icon-App-40x40@1x.png",
"scale" : "1x"
},
{
"size" : "40x40",
"idiom" : "ipad",
"filename" : "Icon-App-40x40@2x.png",
"scale" : "2x"
},
{
"size" : "76x76",
"idiom" : "ipad",
"filename" : "Icon-App-76x76@1x.png",
"scale" : "1x"
},
{
"size" : "76x76",
"idiom" : "ipad",
"filename" : "Icon-App-76x76@2x.png",
"scale" : "2x"
},
{
"size" : "83.5x83.5",
"idiom" : "ipad",
"filename" : "Icon-App-83.5x83.5@2x.png",
"scale" : "2x"
},
{
"size" : "1024x1024",
"idiom" : "ios-marketing",
"filename" : "Icon-App-1024x1024@1x.png",
"scale" : "1x"
}
],
"info" : {
"version" : 1,
"author" : "xcode"
}
}

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@ -1,23 +0,0 @@
{
"images" : [
{
"idiom" : "universal",
"filename" : "LaunchImage.png",
"scale" : "1x"
},
{
"idiom" : "universal",
"filename" : "LaunchImage@2x.png",
"scale" : "2x"
},
{
"idiom" : "universal",
"filename" : "LaunchImage@3x.png",
"scale" : "3x"
}
],
"info" : {
"version" : 1,
"author" : "xcode"
}
}

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@ -1,5 +0,0 @@
# Launch Screen Assets
You can customize the launch screen with your own desired assets by replacing the image files in this directory.
You can also do it by opening your Flutter project's Xcode project with `open ios/Runner.xcworkspace`, selecting `Runner/Assets.xcassets` in the Project Navigator and dropping in the desired images.

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@ -1,37 +0,0 @@
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="12121" systemVersion="16G29" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" launchScreen="YES" colorMatched="YES" initialViewController="01J-lp-oVM">
<dependencies>
<deployment identifier="iOS"/>
<plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="12089"/>
</dependencies>
<scenes>
<!--View Controller-->
<scene sceneID="EHf-IW-A2E">
<objects>
<viewController id="01J-lp-oVM" sceneMemberID="viewController">
<layoutGuides>
<viewControllerLayoutGuide type="top" id="Ydg-fD-yQy"/>
<viewControllerLayoutGuide type="bottom" id="xbc-2k-c8Z"/>
</layoutGuides>
<view key="view" contentMode="scaleToFill" id="Ze5-6b-2t3">
<autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
<subviews>
<imageView opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" image="LaunchImage" translatesAutoresizingMaskIntoConstraints="NO" id="YRO-k0-Ey4">
</imageView>
</subviews>
<color key="backgroundColor" red="1" green="1" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
<constraints>
<constraint firstItem="YRO-k0-Ey4" firstAttribute="centerX" secondItem="Ze5-6b-2t3" secondAttribute="centerX" id="1a2-6s-vTC"/>
<constraint firstItem="YRO-k0-Ey4" firstAttribute="centerY" secondItem="Ze5-6b-2t3" secondAttribute="centerY" id="4X2-HB-R7a"/>
</constraints>
</view>
</viewController>
<placeholder placeholderIdentifier="IBFirstResponder" id="iYj-Kq-Ea1" userLabel="First Responder" sceneMemberID="firstResponder"/>
</objects>
<point key="canvasLocation" x="53" y="375"/>
</scene>
</scenes>
<resources>
<image name="LaunchImage" width="168" height="185"/>
</resources>
</document>

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@ -1,26 +0,0 @@
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="10117" systemVersion="15F34" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" initialViewController="BYZ-38-t0r">
<dependencies>
<deployment identifier="iOS"/>
<plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="10085"/>
</dependencies>
<scenes>
<!--Flutter View Controller-->
<scene sceneID="tne-QT-ifu">
<objects>
<viewController id="BYZ-38-t0r" customClass="FlutterViewController" sceneMemberID="viewController">
<layoutGuides>
<viewControllerLayoutGuide type="top" id="y3c-jy-aDJ"/>
<viewControllerLayoutGuide type="bottom" id="wfy-db-euE"/>
</layoutGuides>
<view key="view" contentMode="scaleToFill" id="8bC-Xf-vdC">
<rect key="frame" x="0.0" y="0.0" width="600" height="600"/>
<autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
<color key="backgroundColor" white="1" alpha="1" colorSpace="custom" customColorSpace="calibratedWhite"/>
</view>
</viewController>
<placeholder placeholderIdentifier="IBFirstResponder" id="dkx-z0-nzr" sceneMemberID="firstResponder"/>
</objects>
</scene>
</scenes>
</document>

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@ -1,47 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
<key>CFBundleDevelopmentRegion</key>
<string>$(DEVELOPMENT_LANGUAGE)</string>
<key>CFBundleDisplayName</key>
<string>Native Crypto Ios</string>
<key>CFBundleExecutable</key>
<string>$(EXECUTABLE_NAME)</string>
<key>CFBundleIdentifier</key>
<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
<key>CFBundleInfoDictionaryVersion</key>
<string>6.0</string>
<key>CFBundleName</key>
<string>native_crypto_ios_example</string>
<key>CFBundlePackageType</key>
<string>APPL</string>
<key>CFBundleShortVersionString</key>
<string>$(FLUTTER_BUILD_NAME)</string>
<key>CFBundleSignature</key>
<string>????</string>
<key>CFBundleVersion</key>
<string>$(FLUTTER_BUILD_NUMBER)</string>
<key>LSRequiresIPhoneOS</key>
<true/>
<key>UILaunchStoryboardName</key>
<string>LaunchScreen</string>
<key>UIMainStoryboardFile</key>
<string>Main</string>
<key>UISupportedInterfaceOrientations</key>
<array>
<string>UIInterfaceOrientationPortrait</string>
<string>UIInterfaceOrientationLandscapeLeft</string>
<string>UIInterfaceOrientationLandscapeRight</string>
</array>
<key>UISupportedInterfaceOrientations~ipad</key>
<array>
<string>UIInterfaceOrientationPortrait</string>
<string>UIInterfaceOrientationPortraitUpsideDown</string>
<string>UIInterfaceOrientationLandscapeLeft</string>
<string>UIInterfaceOrientationLandscapeRight</string>
</array>
<key>UIViewControllerBasedStatusBarAppearance</key>
<true/>
</dict>
</plist>

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@ -1 +0,0 @@
#import "GeneratedPluginRegistrant.h"

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@ -1,79 +0,0 @@
import 'dart:typed_data';
import 'package:flutter/material.dart';
import 'dart:async';
import 'package:flutter/services.dart';
import 'package:native_crypto_platform_interface/native_crypto_platform_interface.dart';
void main() {
runApp(const MyApp());
}
class MyApp extends StatefulWidget {
const MyApp({Key? key}) : super(key: key);
@override
State<MyApp> createState() => _MyAppState();
}
class _MyAppState extends State<MyApp> {
String _platformVersion = 'Unknown';
@override
void initState() {
super.initState();
initPlatformState();
}
// Platform messages are asynchronous, so we initialize in an async method.
Future<void> initPlatformState() async {
NativeCryptoPlatform _nativeCryptoPlatform = NativeCryptoPlatform.instance;
String platformVersion;
// Platform messages may fail, so we use a try/catch PlatformException.
// We also handle the message potentially returning null.
Uint8List? sk = await _nativeCryptoPlatform.generateSecretKey(256);
print(sk ?? 'null');
Uint8List? ciphertext = await _nativeCryptoPlatform.encrypt(Uint8List.fromList("abc".codeUnits), sk!, "aes");
print(ciphertext ?? 'null');
Uint8List? plaintext = await _nativeCryptoPlatform.decrypt(ciphertext!, sk, "aes");
print(plaintext ?? 'null');
Uint8List? kp = await _nativeCryptoPlatform.generateKeyPair();
print(kp!.sublist(0, 31));
print(kp.sublist(32).length);
Uint8List? sharedSecret = await _nativeCryptoPlatform.generateSharedSecretKey(Uint8List.fromList("salt".codeUnits), 32, kp.sublist(0, 31), kp.sublist(32), "sha256");
try {
platformVersion = 'Unknown platform version';
} on PlatformException {
platformVersion = 'Failed to get platform version.';
}
// 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(() {
_platformVersion = platformVersion;
});
}
@override
Widget build(BuildContext context) {
return MaterialApp(
home: Scaffold(
appBar: AppBar(
title: const Text('Plugin example app'),
),
body: Center(
child: Text('Running on: $_platformVersion\n'),
),
),
);
}
}

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@ -1,87 +0,0 @@
name: native_crypto_ios_example
description: Demonstrates how to use the native_crypto_ios plugin.
# The following line prevents the package from being accidentally published to
# pub.dev using `flutter pub publish`. This is preferred for private packages.
publish_to: 'none' # Remove this line if you wish to publish to pub.dev
environment:
sdk: ">=2.15.0 <3.0.0"
# Dependencies specify other packages that your package needs in order to work.
# To automatically upgrade your package dependencies to the latest versions
# consider running `flutter pub upgrade --major-versions`. Alternatively,
# dependencies can be manually updated by changing the version numbers below to
# the latest version available on pub.dev. To see which dependencies have newer
# versions available, run `flutter pub outdated`.
dependencies:
flutter:
sdk: flutter
native_crypto_ios:
# When depending on this package from a real application you should use:
# native_crypto_ios: ^x.y.z
# See https://dart.dev/tools/pub/dependencies#version-constraints
# The example app is bundled with the plugin so we use a path dependency on
# the parent directory to use the current plugin's version.
path: ../
native_crypto_platform_interface:
path: ../../native_crypto_platform_interface
# The following adds the Cupertino Icons font to your application.
# Use with the CupertinoIcons class for iOS style icons.
cupertino_icons: ^1.0.2
dev_dependencies:
flutter_test:
sdk: flutter
# The "flutter_lints" package below contains a set of recommended lints to
# encourage good coding practices. The lint set provided by the package is
# activated in the `analysis_options.yaml` file located at the root of your
# package. See that file for information about deactivating specific lint
# rules and activating additional ones.
flutter_lints: ^1.0.0
# For information on the generic Dart part of this file, see the
# following page: https://dart.dev/tools/pub/pubspec
# The following section is specific to Flutter.
flutter:
# The following line ensures that the Material Icons font is
# included with your application, so that you can use the icons in
# the material Icons class.
uses-material-design: true
# To add assets to your application, add an assets section, like this:
# assets:
# - images/a_dot_burr.jpeg
# - images/a_dot_ham.jpeg
# An image asset can refer to one or more resolution-specific "variants", see
# https://flutter.dev/assets-and-images/#resolution-aware.
# For details regarding adding assets from package dependencies, see
# https://flutter.dev/assets-and-images/#from-packages
# To add custom fonts to your application, add a fonts section here,
# in this "flutter" section. Each entry in this list should have a
# "family" key with the font family name, and a "fonts" key with a
# list giving the asset and other descriptors for the font. For
# example:
# fonts:
# - family: Schyler
# fonts:
# - asset: fonts/Schyler-Regular.ttf
# - asset: fonts/Schyler-Italic.ttf
# style: italic
# - family: Trajan Pro
# fonts:
# - asset: fonts/TrajanPro.ttf
# - asset: fonts/TrajanPro_Bold.ttf
# weight: 700
#
# For details regarding fonts from package dependencies,
# see https://flutter.dev/custom-fonts/#from-packages

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@ -1,27 +0,0 @@
// This is a basic Flutter widget test.
//
// To perform an interaction with a widget in your test, use the WidgetTester
// utility that Flutter provides. For example, you can send tap and scroll
// gestures. You can also use WidgetTester to find child widgets in the widget
// tree, read text, and verify that the values of widget properties are correct.
import 'package:flutter/material.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:native_crypto_ios_example/main.dart';
void main() {
testWidgets('Verify Platform version', (WidgetTester tester) async {
// Build our app and trigger a frame.
await tester.pumpWidget(const MyApp());
// Verify that platform version is retrieved.
expect(
find.byWidgetPredicate(
(Widget widget) => widget is Text &&
widget.data!.startsWith('Running on:'),
),
findsOneWidget,
);
});
}

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@ -1,53 +0,0 @@
/**
* Author: Hugo Pointcheval
* Email: git@pcl.ovh
* -----
* File: Cipher.swift
* Created Date: 25/12/2021 18:31:28
* Last Modified: 25/12/2021 18:38:53
* -----
* Copyright (c) 2021
*/
import Foundation
import CryptoKit
class AESCipher {
/// Encrypts plaintext with key using AES GCM
@available(iOS 13.0, *)
static func encrypt(plaintext: Data, key: Data) -> Data? {
let symmetricKey = SymmetricKey.init(data: key)
let encrypted = try? AES.GCM.seal(plaintext, using: symmetricKey)
return encrypted?.combined
}
/// Decrypts ciphertext with key using AES GCM
@available(iOS 13.0, *)
static func decrypt(ciphertext: Data, key: Data) -> Data? {
let symmetricKey = SymmetricKey.init(data: key)
let sealedBox = try? AES.GCM.SealedBox(combined: ciphertext)
if (sealedBox == nil) { return nil }
let decryptedData = try? AES.GCM.open(sealedBox!, using: symmetricKey)
return decryptedData
}
}
class CHACHACipher {
/// Encrypts plaintext with key using CHACHAPOLY
@available(iOS 13.0, *)
static func encrypt(plaintext: Data, key: Data) -> Data? {
let symmetricKey = SymmetricKey.init(data: key)
let encrypted = try? ChaChaPoly.seal(plaintext, using: symmetricKey)
return encrypted?.combined
}
/// Decrypts ciphertext with key using CHACHAPOLY
@available(iOS 13.0, *)
static func decrypt(ciphertext: Data, key: Data) -> Data? {
let symmetricKey = SymmetricKey.init(data: key)
let sealedBox = try? ChaChaPoly.SealedBox(combined: ciphertext)
if (sealedBox == nil) { return nil }
let decryptedData = try? ChaChaPoly.open(sealedBox!, using: symmetricKey)
return decryptedData
}
}

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@ -1,43 +0,0 @@
/**
* Author: Hugo Pointcheval
* Email: git@pcl.ovh
* -----
* File: Hash.swift
* Created Date: 25/12/2021 18:31:11
* Last Modified: 25/12/2021 18:38:20
* -----
* Copyright (c) 2021
*/
import Foundation
import CommonCrypto
import CryptoKit
enum HashAlgorithm: String {
case HashSHA256 = "sha256"
case HashSHA384 = "sha384"
case HashSHA512 = "sha512"
var commonCrypto: UInt32 {
switch self {
case .HashSHA256: return CCPBKDFAlgorithm(kCCPRFHmacAlgSHA256)
case .HashSHA384: return CCPBKDFAlgorithm(kCCPRFHmacAlgSHA384)
case .HashSHA512: return CCPBKDFAlgorithm(kCCPRFHmacAlgSHA512)
}
}
}
@available(iOS 13.0, *)
class Hash {
/// Hash a message with a specified HashAlgorithm
static func digest(data: Data, algorithm: HashAlgorithm) -> Data {
switch algorithm {
case .HashSHA256:
return Data(SHA256.hash(data: data))
case .HashSHA384:
return Data(SHA384.hash(data: data))
case .HashSHA512:
return Data(SHA512.hash(data: data))
}
}
}

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@ -1,78 +0,0 @@
/**
* Author: Hugo Pointcheval
* Email: git@pcl.ovh
* -----
* File: KEM.swift
* Created Date: 25/12/2021 18:31:48
* Last Modified: 25/12/2021 18:40:00
* -----
* Copyright (c) 2021
*/
import Foundation
import CryptoKit
class KeyPair {
/// Generate a keypair.
@available(iOS 13.0, *)
static func fromCurve() -> Data {
let sk = P256.KeyAgreement.PrivateKey()
var kp = sk.rawRepresentation
kp.append(contentsOf: sk.publicKey.rawRepresentation)
return kp;
}
/// Import private key from Data
@available(iOS 13.0, *)
static func importPrivateKey(privateKey: Data) throws -> P256.KeyAgreement.PrivateKey {
let sk = try P256.KeyAgreement.PrivateKey(rawRepresentation: privateKey)
return sk;
}
/// Import public key from Data
@available(iOS 13.0, *)
static func importPublicKey(publicKey: Data) throws -> P256.KeyAgreement.PublicKey {
let pk = try P256.KeyAgreement.PublicKey(rawRepresentation: publicKey)
return pk;
}
}
class ECDH {
/// Generate a shared secret with your private key and other party public key.
@available(iOS 13.0, *)
static func generateSharedSecretKey(salt: Data, hash: HashAlgorithm, keyBytesCount: Int ,privateKey: Data, publicKey: Data) -> Data? {
let sk = try? KeyPair.importPrivateKey(privateKey: privateKey)
if (sk == nil) {return nil}
let pk = try? KeyPair.importPublicKey(publicKey: publicKey)
if (pk == nil) {return nil}
let secret = try? sk!.sharedSecretFromKeyAgreement(with: pk!)
switch hash {
case .HashSHA256:
let key = secret?.hkdfDerivedSymmetricKey(using: SHA256.self, salt: salt, sharedInfo: Data(), outputByteCount: keyBytesCount)
if (key == nil) {
return nil
} else {
return Key.toBytes(key: key!)
}
case .HashSHA384:
let key = secret?.hkdfDerivedSymmetricKey(using: SHA384.self, salt: salt, sharedInfo: Data(), outputByteCount: keyBytesCount)
if (key == nil) {
return nil
} else {
return Key.toBytes(key: key!)
}
case .HashSHA512:
let key = secret?.hkdfDerivedSymmetricKey(using: SHA512.self, salt: salt, sharedInfo: Data(), outputByteCount: keyBytesCount)
if (key == nil) {
return nil
} else {
return Key.toBytes(key: key!)
}
}
}
}

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@ -1,62 +0,0 @@
/**
* Author: Hugo Pointcheval
* Email: git@pcl.ovh
* -----
* File: KDF.swift
* Created Date: 25/12/2021 17:45:28
* Last Modified: 25/12/2021 17:45:38
* -----
* Copyright (c) 2021
*/
import Foundation
import CryptoKit
import CommonCrypto
class Key {
/// Generate secret key of a specified length
@available(iOS 13.0, *)
static func fromSecureRandom(bitsCount : Int) -> Data {
let symmetricKey = SymmetricKey.init(size: SymmetricKeySize(bitCount: bitsCount))
return toBytes(key: symmetricKey)
}
/// Encode key as Data
@available(iOS 13.0, *)
static func toBytes(key: SymmetricKey) -> Data {
let keyBytes = key.withUnsafeBytes
{
return Data(Array($0))
}
return keyBytes
}
/// Derive a new secret key with PBKDF2 algorithm
static func fromPBKDF2(password: String, salt: String, keyBytesCount: Int, iterations: Int, algorithm: HashAlgorithm) -> Data? {
let passwordData = password.data(using: .utf8)!
let saltData = salt.data(using: .utf8)!
var derivedKeyData = Data(repeating: 0, count: keyBytesCount)
let localDerivedKeyData = derivedKeyData
let status = derivedKeyData.withUnsafeMutableBytes { (derivedKeyBytes: UnsafeMutableRawBufferPointer) in
saltData.withUnsafeBytes { (saltBytes: UnsafeRawBufferPointer) in
CCKeyDerivationPBKDF(
CCPBKDFAlgorithm(kCCPBKDF2),
password,
passwordData.count,
saltBytes.bindMemory(to: UInt8.self).baseAddress,
saltData.count,
algorithm.commonCrypto,
UInt32(iterations),
derivedKeyBytes.bindMemory(to: UInt8.self).baseAddress,
localDerivedKeyData.count)
}
}
if (status != kCCSuccess) {
return nil;
}
return derivedKeyData
}
}

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@ -1,95 +0,0 @@
import Flutter
import UIKit
@available(iOS 13.0, *)
public class SwiftNativeCryptoIosPlugin: NSObject, FlutterPlugin {
public static func register(with registrar: FlutterPluginRegistrar) {
let channel = FlutterMethodChannel(name: "plugins.hugop.cl/native_crypto", binaryMessenger: registrar.messenger())
let instance = SwiftNativeCryptoIosPlugin()
registrar.addMethodCallDelegate(instance, channel: channel)
}
public func handle(_ call: FlutterMethodCall, result: @escaping FlutterResult) {
switch call.method {
case "digest":
let args : NSDictionary = call.arguments as! NSDictionary
let data : Data = (args["data"] as! FlutterStandardTypedData).data
let algo : String = args["algorithm"] as! String
let algorithm : HashAlgorithm? = HashAlgorithm.init(rawValue: algo)
// TODO(hpcl): check if algorithm is null
// TODO(hpcl): check if digest is null
result(FlutterStandardTypedData.init(bytes: Hash.digest(data: data, algorithm: algorithm!)))
case "generateSecretKey":
let args : NSDictionary = call.arguments as! NSDictionary
let bitsCount : NSNumber = args["bitsCount"] as! NSNumber
// TODO(hpcl): check if secure random is null
result(FlutterStandardTypedData.init(bytes: Key.fromSecureRandom(bitsCount: bitsCount.intValue)))
case "generateKeyPair":
result(FlutterStandardTypedData.init(bytes: KeyPair.fromCurve()))
case "pbkdf2":
let args : NSDictionary = call.arguments as! NSDictionary
let password : String = args["password"] as! String
let salt : String = args["salt"] as! String
let keyBytesCount : NSNumber = args["keyBytesCount"] as! NSNumber
let iterations : NSNumber = args["iterations"] as! NSNumber
let algo : String = args["algorithm"] as! String
let algorithm : HashAlgorithm? = HashAlgorithm.init(rawValue: algo)
// TODO(hpcl): check if algorithm is null
// TODO(hpcl): check if derivation is null
result(FlutterStandardTypedData.init(bytes: Key.fromPBKDF2(password: password, salt: salt, keyBytesCount: keyBytesCount.intValue, iterations: iterations.intValue, algorithm: algorithm!)!))
case "encrypt":
let args : NSDictionary = call.arguments as! NSDictionary
let data : Data = (args["data"] as! FlutterStandardTypedData).data
let key : Data = (args["key"] as! FlutterStandardTypedData).data
let algo : String = args["algorithm"] as! String
// TODO(hpcl): check if algorithm is null
// TODO(hpcl): check if ciphertext is null
var ciphertext : Data
switch algo {
case "aes":
ciphertext = AESCipher.encrypt(plaintext: data, key: key)!
case "chachapoly":
ciphertext = CHACHACipher.encrypt(plaintext: data, key: key)!
default:
ciphertext = Data.init();
}
result(FlutterStandardTypedData.init(bytes: ciphertext))
case "decrypt":
let args : NSDictionary = call.arguments as! NSDictionary
let data : Data = (args["data"] as! FlutterStandardTypedData).data
let key : Data = (args["key"] as! FlutterStandardTypedData).data
let algo : String = args["algorithm"] as! String
// TODO(hpcl): check if algorithm is null
// TODO(hpcl): check if ciphertext is null
var ciphertext : Data
switch algo {
case "aes":
ciphertext = AESCipher.decrypt(ciphertext: data, key: key)!
case "chachapoly":
ciphertext = CHACHACipher.decrypt(ciphertext: data, key: key)!
default:
ciphertext = Data.init();
}
result(FlutterStandardTypedData.init(bytes: ciphertext))
case "generateSharedSecretKey":
let args : NSDictionary = call.arguments as! NSDictionary
let salt : Data = (args["salt"] as! FlutterStandardTypedData).data
let keyBytesCount : NSNumber = args["keyBytesCount"] as! NSNumber
let ephemeralPrivateKey : Data = (args["ephemeralPrivateKey"] as! FlutterStandardTypedData).data
let otherPublicKey : Data = (args["otherPublicKey"] as! FlutterStandardTypedData).data
let hkdfAlgorithm : String = args["hkdfAlgorithm"] as! String
let algorithm : HashAlgorithm? = HashAlgorithm.init(rawValue: hkdfAlgorithm)
// TODO(hpcl): check if algorithm is null
// TODO(hpcl): check if generated key is null
result(FlutterStandardTypedData.init(bytes: ECDH.generateSharedSecretKey(salt: salt, hash: algorithm!, keyBytesCount: keyBytesCount.intValue, privateKey: ephemeralPrivateKey, publicKey: otherPublicKey)!))
default: result(FlutterMethodNotImplemented)
}
}
}

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@ -1,3 +0,0 @@
## 0.0.1
* TODO: Describe initial release.

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@ -1 +0,0 @@
TODO: Add your license here.

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@ -1,18 +0,0 @@
# native_crypto_platform_interface
A new flutter plugin project.
## Getting Started
This project is a starting point for a Flutter
[plug-in package](https://flutter.dev/developing-packages/),
a specialized package that includes platform-specific implementation code for
Android and/or iOS.
For help getting started with Flutter, view our
[online documentation](https://flutter.dev/docs), which offers tutorials,
samples, guidance on mobile development, and a full API reference.
The plugin project was generated without specifying the `--platforms` flag, no platforms are currently supported.
To add platforms, run `flutter create -t plugin --platforms <platforms> .` under the same
directory. You can also find a detailed instruction on how to add platforms in the `pubspec.yaml` at https://flutter.dev/docs/development/packages-and-plugins/developing-packages#plugin-platforms.

View File

@ -1,4 +0,0 @@
include: package:flutter_lints/flutter.yaml
# Additional information about this file can be found at
# https://dart.dev/guides/language/analysis-options

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@ -1,107 +0,0 @@
// Author: Hugo Pointcheval
// Email: git@pcl.ovh
// -----
// File: native_crypto_method_channel.dart
// Created Date: 25/12/2021 16:58:04
// Last Modified: 25/12/2021 18:58:53
// -----
// Copyright (c) 2021
import 'dart:typed_data';
import 'package:flutter/foundation.dart';
import 'package:flutter/services.dart';
import '../native_crypto_platform_interface.dart';
/// An implementation of [NativeCryptoPlatform] that uses method channels.
class MethodChannelNativeCrypto extends NativeCryptoPlatform {
/// The method channel used to interact with the native platform.
@visibleForTesting
MethodChannel methodChannel =
const MethodChannel('plugins.hugop.cl/native_crypto');
@override
Future<Uint8List?> digest(Uint8List data, String algorithm) {
return methodChannel.invokeMethod<Uint8List>(
'digest',
<String, dynamic>{
'data': data,
'algorithm': algorithm,
},
);
}
@override
Future<Uint8List?> generateSecretKey(int bitsCount) {
return methodChannel.invokeMethod<Uint8List>(
'generateSecretKey',
<String, dynamic>{
'bitsCount': bitsCount,
},
);
}
@override
Future<Uint8List?> generateKeyPair() {
return methodChannel.invokeMethod<Uint8List>('generateKeyPair');
}
@override
Future<Uint8List?> pbkdf2(String password, String salt, int keyBytesCount,
int iterations, String algorithm) {
return methodChannel.invokeMethod<Uint8List>(
'pbkdf2',
<String, dynamic>{
'password': password,
'salt': salt,
'keyBytesCount': keyBytesCount,
'iterations': iterations,
'algorithm': algorithm,
},
);
}
@override
Future<Uint8List?> encrypt(Uint8List data, Uint8List key, String algorithm) {
return methodChannel.invokeMethod<Uint8List>(
'encrypt',
<String, dynamic>{
'data': data,
'key': key,
'algorithm': algorithm,
},
);
}
@override
Future<Uint8List?> decrypt(Uint8List data, Uint8List key, String algorithm) {
return methodChannel.invokeMethod<Uint8List>(
'decrypt',
<String, dynamic>{
'data': data,
'key': key,
'algorithm': algorithm,
},
);
}
@override
Future<Uint8List?> generateSharedSecretKey(
Uint8List salt,
int keyBytesCount,
Uint8List ephemeralPrivateKey,
Uint8List otherPublicKey,
String hkdfAlgorithm) {
return methodChannel.invokeMethod<Uint8List>(
'generateSharedSecretKey',
<String, dynamic>{
'salt': salt,
'keyBytesCount': keyBytesCount,
'ephemeralPrivateKey': ephemeralPrivateKey,
'otherPublicKey': otherPublicKey,
'hkdfAlgorithm': hkdfAlgorithm,
},
);
}
}

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@ -1,97 +0,0 @@
// Author: Hugo Pointcheval
// Email: git@pcl.ovh
// -----
// File: platform_interface.dart
// Created Date: 25/12/2021 16:52:56
// Last Modified: 25/12/2021 16:53:36
// -----
// Copyright (c) 2021
import 'package:meta/meta.dart';
/// Base class for platform interfaces.
///
/// Provides a static helper method for ensuring that platform interfaces are
/// implemented using `extends` instead of `implements`.
///
/// Platform interface classes are expected to have a private static token object which will be
/// be passed to [verifyToken] along with a platform interface object for verification.
///
/// Sample usage:
///
/// ```dart
/// abstract class UrlLauncherPlatform extends PlatformInterface {
/// UrlLauncherPlatform() : super(token: _token);
///
/// static UrlLauncherPlatform _instance = MethodChannelUrlLauncher();
///
/// static const Object _token = Object();
///
/// static UrlLauncherPlatform get instance => _instance;
///
/// /// Platform-specific plugins should set this with their own platform-specific
/// /// class that extends [UrlLauncherPlatform] when they register themselves.
/// static set instance(UrlLauncherPlatform instance) {
/// PlatformInterface.verifyToken(instance, _token);
/// _instance = instance;
/// }
///
/// }
/// ```
///
/// Mockito mocks of platform interfaces will fail the verification, in test code only it is possible
/// to include the [MockPlatformInterfaceMixin] for the verification to be temporarily disabled. See
/// [MockPlatformInterfaceMixin] for a sample of using Mockito to mock a platform interface.
abstract class PlatformInterface {
/// Pass a private, class-specific `const Object()` as the `token`.
PlatformInterface({required Object token}) : _instanceToken = token;
final Object? _instanceToken;
/// Ensures that the platform instance has a token that matches the
/// provided token and throws [AssertionError] if not.
///
/// This is used to ensure that implementers are using `extends` rather than
/// `implements`.
///
/// Subclasses of [MockPlatformInterfaceMixin] are assumed to be valid in debug
/// builds.
///
/// This is implemented as a static method so that it cannot be overridden
/// with `noSuchMethod`.
static void verifyToken(PlatformInterface instance, Object token) {
if (instance is MockPlatformInterfaceMixin) {
bool assertionsEnabled = false;
assert(() {
assertionsEnabled = true;
return true;
}());
if (!assertionsEnabled) {
throw AssertionError(
'`MockPlatformInterfaceMixin` is not intended for use in release builds.');
}
return;
}
if (!identical(token, instance._instanceToken)) {
throw AssertionError(
'Platform interfaces must not be implemented with `implements`');
}
}
}
/// A [PlatformInterface] mixin that can be combined with mockito's `Mock`.
///
/// It passes the [PlatformInterface.verifyToken] check even though it isn't
/// using `extends`.
///
/// This class is intended for use in tests only.
///
/// Sample usage (assuming UrlLauncherPlatform extends [PlatformInterface]:
///
/// ```dart
/// class UrlLauncherPlatformMock extends Mock
/// with MockPlatformInterfaceMixin
/// implements UrlLauncherPlatform {}
/// ```
@visibleForTesting
abstract class MockPlatformInterfaceMixin implements PlatformInterface {}

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@ -1,17 +0,0 @@
name: native_crypto_platform_interface
description: A common interface for NativeCrypto plugin.
version: 0.0.7
environment:
sdk: ">=2.15.0 <3.0.0"
flutter: ">=2.5.0"
dependencies:
flutter:
sdk: flutter
dev_dependencies:
flutter_test:
sdk: flutter
flutter_lints: ^1.0.4

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@ -0,0 +1,45 @@
## 0.1.1
- **REFACTOR**: change file organization.
- **PERF**: x10 perfomance improvement on android with better list management.
- **FIX**: benchmark output.
- **FIX**: update and fix code.
- **FEAT**: export new exceptions.
- **FEAT**: add PointyCastle benchmark.
- **DOCS**: add link to readme file.
## 0.1.0
> Breaking changes !
* Follow **Federated Plugin** Flutter standard.
## 0.0.6
* Add KeyPair generation.
* Rework exposed API.
## 0.0.5
* New API.
* Add digest support.
* Clean platform specific code base.
## 0.0.4
* Improve AES.
## 0.0.3
* Add PBKDF2 support.
* Add exceptions.
* Improve documentation.
## 0.0.2
* Add different key size support.
* Improve performances.
## 0.0.1
* First AES cross-platform encryption & decryption implementation.

View File

@ -0,0 +1,23 @@
NativeCrypto
MIT License
Copyright (c) 2019 - 2022 Hugo Pointcheval
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

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@ -0,0 +1,133 @@
<p align="center">
<img width="700px" src="resources/native_crypto.png" style="background-color: rgb(255,255,255)">
<h5 align="center">Fast and powerful cryptographic functions for Flutter.</h5>
</p>
<p align="center">
<a href="https://git.wyatt-studio.fr/Wyatt-FOSS/wyatt-packages/src/branch/master/packages/wyatt_analysis">
<img src="https://img.shields.io/badge/Style-Wyatt%20Analysis-blue.svg?style=flat-square" alt="Style: Wyatt Analysis" />
</a>
<a href="https://github.com/invertase/melos">
<img src="https://img.shields.io/badge/Maintained%20with-melos-f700ff.svg?style=flat-square" alt="Maintained with Melos" />
</a>
<a href="https://drone.wyatt-studio.fr/hugo/native-crypto">
<img src="https://drone.wyatt-studio.fr/api/badges/hugo/native-crypto/status.svg" alt="Build Status" />
</a>
</p>
---
[[Changelog]](./CHANGELOG.md) | [[License]](./LICENSE)
---
## About
The goal of this plugin is to provide a fast and powerful cryptographic functions by calling native libraries. On Android, it uses [javax.cypto](https://developer.android.com/reference/javax/crypto/package-summary), and on iOS, it uses [CommonCrypto](https://opensource.apple.com/source/CommonCrypto/) and [CryptoKit](https://developer.apple.com/documentation/cryptokit/)
I started this projet because I wanted to add cryptographic functions on a Flutter app. But I faced a problem with the well-known [Pointy Castle](https://pub.dev/packages/pointycastle) library: the performance was very poor. Here some benchmarks and comparison:
![](resources/benchmarks.png)
For comparison, on a *iPhone 13*, you can encrypt/decrypt a message of **2MiB** in **~5.6s** with PointyCastle and in **~40ms** with NativeCrypto. And on an *OnePlus 5*, you can encrypt/decrypt a message of **50MiB** in **~6min30** with PointyCastle and in less than **~1s** with NativeCrypto.
In short, NativeCrypto is incomparable with PointyCastle.
## Usage
First, check compatibility with your targets.
| iOS | Android | MacOS | Linux | Windows | Web |
| --- | ------- | ----- | ----- | ------- | --- |
| ✅ | ✅ | ❌ | ❌ | ❌ | ❌ |
#### Hash
To digest a message, you can use the following function:
```dart
Uint8List hash = await HashAlgorithm.sha256.digest(message);
```
> In NativeCrypto, you can use the following hash functions: SHA-256, SHA-384, SHA-512
#### Keys
You can build a `SecretKey` from a utf8, base64, base16 (hex) strings or raw bytes. You can also generate a SecretKey from secure random.
```dart
SecretKey secretKey = SecretKey(Uint8List.fromList([0x73, 0x65, 0x63, 0x72, 0x65, 0x74]));
SecretKey secretKey = SecretKey.fromUtf8('secret');
SecretKey secretKey = SecretKey.fromBase64('c2VjcmV0');
SecretKey secretKey = SecretKey.fromBase16('63657274');
SecretKey secretKey = await SecretKey.fromSecureRandom(256);
```
#### Key derivation
You can derive a `SecretKey` using **PBKDF2**.
First, you need to initialize a `Pbkdf2` object.
```dart
Pbkdf2 pbkdf2 = Pbkdf2(
keyBytesCount: 32,
iterations: 1000,
algorithm: HashAlgorithm.sha512,
);
```
Then, you can derive a `SecretKey` from a password and salt.
```dart
SecretKey secretKey = await pbkdf2.derive(password: password, salt: 'salt');
```
> In NativeCrypto, you can use the following key derivation function: PBKDF2
#### Cipher
And now, you can use the `SecretKey` to encrypt/decrypt a message.
First, you need to initialize a `Cipher` object.
```dart
AES cipher = AES(secretKey);
```
Then, you can encrypt your message.
```dart
CipherTextWrapper wrapper = await cipher.encrypt(message);
CipherText cipherText = wrapper.unwrap<CipherText>();
// same as
CipherText cipherText = wrapper.single;
// or
List<CipherText> cipherTexts = wrapper.unwrap<List<CipherText>>();
// same as
List<CipherText> cipherTexts = wrapper.list;
```
After an encryption you obtain a `CipherTextWrapper` which contains `CipherText` or `List<CipherText>` depending on the message size. It's up to you to know how to unwrap the `CipherTextWrapper` depending the chunk size you configured.
Uppon receiving encrypted message, you can decrypt it.
You have to reconstruct the wrapper before decrypting.
```dart
CipherTextWrapper wrapper = CipherTextWrapper.fromBytes(
data,
ivLength: AESMode.gcm.ivLength,
tagLength: AESMode.gcm.tagLength,
);
```
Then, you can decrypt your message.
```dart
Uint8List message = await cipher.decrypt(wrapper);
```

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@ -0,0 +1 @@
include: package:wyatt_analysis/analysis_options.flutter.experimental.yaml

View File

@ -44,7 +44,7 @@ android {
defaultConfig {
// TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
applicationId "fr.pointcheval.native_crypto_example"
minSdkVersion flutter.minSdkVersion
minSdkVersion 26
targetSdkVersion flutter.targetSdkVersion
versionCode flutterVersionCode.toInteger()
versionName flutterVersionName

View File

@ -1,12 +1,12 @@
buildscript {
ext.kotlin_version = '1.3.50'
ext.kotlin_version = "1.6.21"
repositories {
google()
mavenCentral()
}
dependencies {
classpath 'com.android.tools.build:gradle:4.1.0'
classpath 'com.android.tools.build:gradle:7.2.0'
classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
}
}

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