From d42e6ae478bc2860c389552cfeed010e0a4fa79b Mon Sep 17 00:00:00 2001
From: Conrado Gouvea <conradoplg@gmail.com>
Date: Thu, 13 Jul 2023 14:44:36 -0300
Subject: [PATCH] use stack for table in Scalar::invert() to prevent leaking
 values to the heap

---
 src/field/scalar.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/field/scalar.rs b/src/field/scalar.rs
index 895de91..d3dd747 100644
--- a/src/field/scalar.rs
+++ b/src/field/scalar.rs
@@ -179,7 +179,7 @@ impl Scalar {
         montgomery_multiply(&self, &self)
     }
     pub fn invert(&self) -> Self {
-        let mut pre_comp: Vec<Scalar> = vec![Scalar::zero(); 8];
+        let mut pre_comp = [Scalar::zero(); 8];
         let mut result = Scalar::zero();
 
         let scalar_window_bits = 3;