From 95d02ee28ea745541d6c55dba49f3b3ab8b71a43 Mon Sep 17 00:00:00 2001
From: Jon Shallow <supjps-libcoap@jpshallow.com>
Date: Mon, 11 Sep 2023 19:40:12 +0100
Subject: [PATCH] crypto.c: Support -O3 compiler builds

Signed-off-by: Jon Shallow <supjps-libcoap@jpshallow.com>
---
 crypto.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/crypto.c b/crypto.c
index be65a440..1937681d 100644
--- a/crypto.c
+++ b/crypto.c
@@ -444,6 +444,7 @@ int dtls_ecdh_pre_master_secret(unsigned char *priv_key,
   uint32_t result_x[8];
   uint32_t result_y[8];
 
+  assert(key_size == sizeof(priv));
   if (result_len < key_size) {
     return -1;
   }