From 5e249249940a5a15356c7da3e900b705020885fd Mon Sep 17 00:00:00 2001
From: kaleb-himes <kaleb@wolfssl.com>
Date: Wed, 14 Oct 2026 14:30:08 -0600
Subject: [PATCH] Fix MSVC C4018 signed/unsigned compares in SLH-DSA key export

---
 wolfcrypt/src/wc_slhdsa.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/wolfcrypt/src/wc_slhdsa.c b/wolfcrypt/src/wc_slhdsa.c
index 964a2f14b4..8041cf5539 100644
--- a/wolfcrypt/src/wc_slhdsa.c
+++ b/wolfcrypt/src/wc_slhdsa.c
@@ -11203,7 +11203,7 @@ int wc_SlhDsaKey_ExportPrivate(SlhDsaKey* key, byte* priv, word32* privLen)
         ret = MISSING_KEY;
     }
     /* Check private key buffer length. */
-    else if (*privLen < key->params->n * 4) {
+    else if (*privLen < (word32)key->params->n * 4U) {
         ret = BAD_LENGTH_E;
     }
     else {
@@ -11243,7 +11243,7 @@ int wc_SlhDsaKey_ExportPublic(SlhDsaKey* key, byte* pub, word32* pubLen)
         ret = MISSING_KEY;
     }
     /* Check public key buffer length. */
-    else if (*pubLen < key->params->n * 2) {
+    else if (*pubLen < (word32)key->params->n * 2U) {
         ret = BAD_LENGTH_E;
     }
     else {