Check NULL input

Author: Andras Fekete

wolfcrypt/src/port/aria/aria-crypt.c

@@ -114,6 +114,11 @@ int wc_AriaSetKey(wc_Aria* aria, byte* key)
 {
     MC_RV rv = MC_OK;
     MC_UINT keylen;
+
+    if (aria == NULL || key == NULL) {
+        return BAD_FUNC_ARG;
+    }
+
     if (aria->algo == MC_ALGID_ARIA_128BITKEY) {
         keylen = ARIA_128_KEY_SIZE;
     } else if (aria->algo == MC_ALGID_ARIA_192BITKEY) {