From 6ecea67718803e96e00a18f97ae8abc83ecaa1c2 Mon Sep 17 00:00:00 2001
From: Mark Haines <mark.haines@matrix.org>
Date: Fri, 12 Jun 2015 14:09:41 +0100
Subject: Implement the session key exchange

---
 src/cipher.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src/cipher.cpp')

diff --git a/src/cipher.cpp b/src/cipher.cpp
index 86cde88..8b496df 100644
--- a/src/cipher.cpp
+++ b/src/cipher.cpp
@@ -26,7 +26,7 @@ static void derive_keys(
     std::uint8_t derived_secrets[80];
     axolotl::hkdf_sha256(
         key, key_length,
-        NULL, 0,
+        nullptr, 0,
         kdf_info, kdf_info_length,
         derived_secrets, sizeof(derived_secrets)
     );
-- 
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