From 1f7d73f626bfa8eee3dbff2103324f8952f503db Mon Sep 17 00:00:00 2001
From: kaleb-himes <kaleb@wolfssl.com>
Date: Thu, 14 Sep 2017 20:14:21 -0600
Subject: [PATCH] NULL plaintext input is supported in FIPS testing

---
 wolfcrypt/src/hmac.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/wolfcrypt/src/hmac.c b/wolfcrypt/src/hmac.c
index b423c4a4a..b46db6a3c 100755
--- a/wolfcrypt/src/hmac.c
+++ b/wolfcrypt/src/hmac.c
@@ -54,7 +54,7 @@
     }
     int wc_HmacUpdate(Hmac* hmac, const byte* in, word32 sz)
     {
-        if (hmac == NULL || in == NULL) {
+        if (hmac == NULL) {
             return BAD_FUNC_ARG;
         }