From ee9490d3a4e3e7423fa90d2ead498fe47363b949 Mon Sep 17 00:00:00 2001
From: Hugo Pointcheval <hugo@gitlab.pointcheval.fr>
Date: Wed, 29 Apr 2020 22:27:42 +0200
Subject: [PATCH] Update dart with new pbkdf2

---
 example/lib/main.dart      | 3 +--
 lib/src/native_crypto.dart | 3 ++-
 lib/symmetric_crypto.dart  | 4 ++--
 3 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/example/lib/main.dart b/example/lib/main.dart
index 84ab82e..f8fd5a6 100644
--- a/example/lib/main.dart
+++ b/example/lib/main.dart
@@ -4,7 +4,6 @@ import 'dart:developer';
 import 'dart:typed_data';
 
 import 'package:flutter/material.dart';
-import 'package:flutter/services.dart';
 
 import 'package:native_crypto/symmetric_crypto.dart';
 import 'package:native_crypto/exceptions.dart';
@@ -53,7 +52,7 @@ class _MyAppState extends State<MyApp> {
     if (password.isEmpty) {
       output = 'Password is empty';
     } else {
-      key = await KeyGenerator().pbkdf2(password, 'salt');
+      key = await KeyGenerator().pbkdf2(password, 'salt', algorithm: 'sha1');
       output = 'Key successfully derived.';
     }
     setState(() {
diff --git a/lib/src/native_crypto.dart b/lib/src/native_crypto.dart
index f4cd8ed..e78dce1 100644
--- a/lib/src/native_crypto.dart
+++ b/lib/src/native_crypto.dart
@@ -21,7 +21,7 @@ class NativeCrypto {
   ///
   /// [keyLength] is in Bytes. 
   /// It returns an `Uint8List`.
-  Future<Uint8List> pbkdf2(String password, String salt, {int keyLength: 32, int iteration: 10000}) async {
+  Future<Uint8List> pbkdf2(String password, String salt, {int keyLength: 32, int iteration: 10000, String algorithm: 'sha256'}) async {
     Uint8List key;
     try {
       key = await _channel.invokeMethod('pbkdf2', <String, dynamic>{
@@ -29,6 +29,7 @@ class NativeCrypto {
       'salt': salt,
       'keyLength': keyLength,
       'iteration': iteration,
+      'algorithm': algorithm,
     });
     } on PlatformException catch (e) {
       throw e;
diff --git a/lib/symmetric_crypto.dart b/lib/symmetric_crypto.dart
index 06b654b..fdac852 100644
--- a/lib/symmetric_crypto.dart
+++ b/lib/symmetric_crypto.dart
@@ -59,10 +59,10 @@ class KeyGenerator {
   ///
   /// `keyLength` is in Bytes. 
   /// It returns an `Uint8List`.
-  Future<Uint8List> pbkdf2(String password, String salt, {int keyLength: 32, int iteration: 10000}) async {
+  Future<Uint8List> pbkdf2(String password, String salt, {int keyLength: 32, int iteration: 10000, String algorithm: 'sha256'}) async {
     Uint8List key;
     try {
-      key = await NativeCrypto().pbkdf2( password, salt, keyLength: keyLength, iteration: iteration);
+      key = await NativeCrypto().pbkdf2( password, salt, keyLength: keyLength, iteration: iteration, algorithm: algorithm);
       log("PBKDF2 KEY LENGTH: ${key.length}", name: TAG_DEBUG);
     } on PlatformException catch (e) {
       log(e.message, name: TAG_ERROR);