From dcde00a1ebac4ea366d983e722cb6b333952b803 Mon Sep 17 00:00:00 2001
From: Juliusz Sosinowicz <juliusz@wolfssl.com>
Date: Fri, 3 Apr 2026 09:57:35 +0200
Subject: [PATCH] Add NULL parameter validation to wc_CryptKey F-1372

---
 wolfcrypt/src/wc_encrypt.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/wolfcrypt/src/wc_encrypt.c b/wolfcrypt/src/wc_encrypt.c
index 52505adefc..9c80ee1da4 100644
--- a/wolfcrypt/src/wc_encrypt.c
+++ b/wolfcrypt/src/wc_encrypt.c
@@ -338,6 +338,9 @@ int wc_CryptKey(const char* password, int passwordSz, const byte* salt,
 
     WOLFSSL_ENTER("wc_CryptKey");
 
+    if (password == NULL || salt == NULL || input == NULL)
+        return BAD_FUNC_ARG;
+
     if (length < 0)
         return BAD_LENGTH_E;