From a97b2cc3af2bf5813c61ef019aa087d290d4fcbf Mon Sep 17 00:00:00 2001
From: Mariotaku Lee <mariotaku.lee@gmail.com>
Date: Thu, 29 Apr 2021 03:43:40 +0900
Subject: [PATCH] Randomized input IV

---
 libgamestream/client.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/libgamestream/client.c b/libgamestream/client.c
index a7fa800..96430d0 100644
--- a/libgamestream/client.c
+++ b/libgamestream/client.c
@@ -670,10 +670,14 @@ int gs_start_app(PSERVER_DATA server, STREAM_CONFIGURATION *config, int appId, b
 
   RAND_bytes(config->remoteInputAesKey, 16);
   memset(config->remoteInputAesIv, 0, 16);
+  // GFE somehow doesn't like this totally legit random number, so we have to generate one
+  RAND_bytes(config->remoteInputAesIv, 4);
 
   srand(time(NULL));
   char url[4096];
   u_int32_t rikeyid = 0;
+  memset(&rikeyid, config->remoteInputAesIv, 4);
+  rikeyid = htonl(rikeyid);
   char rikey_hex[33];
   bytes_to_hex(config->remoteInputAesKey, rikey_hex, 16);