From b19a03aa847200e532978995123eb033097d79ec Mon Sep 17 00:00:00 2001
From: Jens Steube <jens.steube@gmail.com>
Date: Sat, 3 Nov 2018 13:15:23 +0100
Subject: [PATCH] No need to compute brain_session if --brain-client is not set

---
 src/hashes.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/hashes.c b/src/hashes.c
index 44048cbd5..523cd3048 100644
--- a/src/hashes.c
+++ b/src/hashes.c
@@ -1671,9 +1671,12 @@ int hashes_init_stage4 (hashcat_ctx_t *hashcat_ctx)
   // brain session
 
   #ifdef WITH_BRAIN
-  const u32 brain_session = brain_compute_session (hashcat_ctx);
+  if (user_options->brain_client == true)
+  {
+    const u32 brain_session = brain_compute_session (hashcat_ctx);
 
-  user_options->brain_session = brain_session;
+    user_options->brain_session = brain_session;
+  }
   #endif
 
   return 0;