From 8440973d99c1ce00493cb718e7443376065c0a76 Mon Sep 17 00:00:00 2001
From: David Garske <david@wolfssl.com>
Date: Mon, 27 Jul 2020 15:44:53 -0700
Subject: [PATCH] Fix for `derSz` calculation on non-const value `keySz`. ZD
 10654

---
 tests/api.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/tests/api.c b/tests/api.c
index 565b8ae8a..e2ee60a89 100644
--- a/tests/api.c
+++ b/tests/api.c
@@ -131,7 +131,7 @@
         #endif
     #endif
     #if !defined(DER_SZ)
-        #define DER_SZ (keySz * 2 + 1)
+        #define DER_SZ(ks) (ks * 2 + 1)
     #endif
 #endif
 #ifndef NO_ASN
@@ -20018,9 +20018,9 @@ static int test_wc_ecc_pointFns (void)
     ecc_point*  cpypt = NULL;
     int         idx = 0;
     int         keySz = KEY32;
-    byte        der[DER_SZ];
+    byte        der[DER_SZ(KEY32)];
     word32      derlenChk = 0;
-    word32      derSz = (int)sizeof(der);
+    word32      derSz = DER_SZ(KEY32);
 
     /* Init stack variables. */
     XMEMSET(der, 0, derSz);