From 3e90722d270c47f031dfdade67d469081121e900 Mon Sep 17 00:00:00 2001
From: Devin AI <158243242+devin-ai-integration[bot]@users.noreply.github.com>
Date: Fri, 28 Feb 2025 16:28:54 +0000
Subject: [PATCH] Fix: Add null check for out parameter in NULL_CIPHER_TYPE
 case

Co-Authored-By: lealem@wolfssl.com <lealem@wolfssl.com>
---
 wolfcrypt/src/evp.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/wolfcrypt/src/evp.c b/wolfcrypt/src/evp.c
index 10b4e2569..c8647fd5b 100644
--- a/wolfcrypt/src/evp.c
+++ b/wolfcrypt/src/evp.c
@@ -1060,6 +1060,9 @@ int wolfSSL_EVP_CipherUpdate(WOLFSSL_EVP_CIPHER_CTX *ctx,
 
     switch (ctx->cipherType) {
         case WC_NULL_CIPHER_TYPE:
+            if (out == NULL) {
+                return WOLFSSL_FAILURE;
+            }
             XMEMCPY(out, in, inl);
             *outl = inl;
             return WOLFSSL_SUCCESS;