From 03beb35dbc7bcb46e5e461c9fbb9236e6b576e6f Mon Sep 17 00:00:00 2001
From: Hugo Pointcheval <hugo@gitlab.pointcheval.fr>
Date: Wed, 29 Apr 2020 23:04:41 +0200
Subject: [PATCH] Add pbkdf2 digest sh512

---
 example/lib/main.dart     | 2 +-
 lib/symmetric_crypto.dart | 3 ++-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/example/lib/main.dart b/example/lib/main.dart
index 19d71ec..c0fcfc4 100644
--- a/example/lib/main.dart
+++ b/example/lib/main.dart
@@ -52,7 +52,7 @@ class _MyAppState extends State<MyApp> {
     if (password.isEmpty) {
       output = 'Password is empty';
     } else {
-      key = await KeyGenerator().pbkdf2(password, 'salt', digest: Digest.sha1);
+      key = await KeyGenerator().pbkdf2(password, 'salt', digest: Digest.sha512);
       output = 'Key successfully derived.';
     }
     setState(() {
diff --git a/lib/symmetric_crypto.dart b/lib/symmetric_crypto.dart
index e781714..6e949ba 100644
--- a/lib/symmetric_crypto.dart
+++ b/lib/symmetric_crypto.dart
@@ -16,7 +16,7 @@ const String TAG_DEBUG = 'debug.native_crypto.symmetric_crypto';
 enum KeySize { bits128, bits192, bits256 }
 
 /// Defines all available digest.
-enum Digest { sha1, sha256 }
+enum Digest { sha1, sha256, sha512 }
 
 /// Defines all available ciphers.
 enum Cipher { AES }
@@ -68,6 +68,7 @@ class KeyGenerator {
     String algo;
     if (digest == Digest.sha1) algo = 'sha1';
     if (digest == Digest.sha256) algo = 'sha256';
+    if (digest == Digest.sha512) algo = 'sha512';
     
     try {
       key = await NativeCrypto().pbkdf2( password, salt, keyLength: keyLength, iteration: iteration, algorithm: algo);