From 62ec24bb56e6be82b3cf4840d547aaf9130b197b Mon Sep 17 00:00:00 2001
From: J08nY
Date: Thu, 5 Oct 2023 20:23:40 +0200
Subject: Allocate more for sliding window array.

---
 pyecsca/codegen/bn/bn.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'pyecsca/codegen')

diff --git a/pyecsca/codegen/bn/bn.c b/pyecsca/codegen/bn/bn.c
index 9ad4d59..2cced3f 100644
--- a/pyecsca/codegen/bn/bn.c
+++ b/pyecsca/codegen/bn/bn.c
@@ -540,8 +540,8 @@ wsliding_t *bn_wsliding_rtl(const bn_t *bn, int w) {
 	wsliding_t *result = NULL;
 
     int blen = bn_bit_length(bn);
-    uint8_t arr[blen];
-    memset(arr, 0, blen * sizeof(uint8_t));
+    uint8_t arr[blen + 1];
+    memset(arr, 0, (blen + 1) * sizeof(uint8_t));
 
     bn_t k;
 	if (mp_init(&k) != BN_OKAY) {
-- 
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