From eab451339cc764e58002161860ec88c41ee5401a Mon Sep 17 00:00:00 2001
From: Stanislav Klima <sklima@ra.rockwell.com>
Date: Thu, 16 Apr 2020 09:52:02 +0200
Subject: [PATCH] Fixed dereference after null check.

---
 wolfcrypt/src/asn.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/wolfcrypt/src/asn.c b/wolfcrypt/src/asn.c
index a2eeaf039..1bce4026d 100644
--- a/wolfcrypt/src/asn.c
+++ b/wolfcrypt/src/asn.c
@@ -13575,6 +13575,8 @@ static int EncodeCertReq(Cert* cert, DerCert* der, RsaKey* rsaKey,
 
 #ifdef HAVE_ECC
     if (cert->keyType == ECC_KEY) {
+        if (eccKey == NULL)
+            return PUBLIC_KEY_E;
         der->publicKeySz = SetEccPublicKey(der->publicKey, eccKey, 1);
     }
 #endif