From dbd212a8a152b1e777b3f7baaa261dec40ca8f19 Mon Sep 17 00:00:00 2001
From: BufoViridis <30531954+BufoViridis@users.noreply.github.com>
Date: Tue, 30 Jan 2018 19:43:50 +0200
Subject: [PATCH] update node_crypto.cc

As the documentation for crypto.pbkdf2 (https://nodejs.org/dist/latest-v8.x/docs/api/crypto.html#crypto_crypto_pbkdf2_password_salt_iterations_keylen_digest_callback) say, the function on success will return the first argument set to null and not undefined.
---
 src/node_crypto.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/node_crypto.cc b/src/node_crypto.cc
index b572c90aa50037..036ffa7cd9a9ed 100644
--- a/src/node_crypto.cc
+++ b/src/node_crypto.cc
@@ -4918,7 +4918,7 @@ void PBKDF2Request::Work(uv_work_t* work_req) {
 
 void PBKDF2Request::After(Local<Value> (*argv)[2]) {
   if (success_) {
-    (*argv)[0] = Undefined(env()->isolate());
+    (*argv)[0] = Null(env()->isolate());
     (*argv)[1] = Buffer::New(env(), key_, keylen_).ToLocalChecked();
     key_ = nullptr;
     keylen_ = 0;