From 72bfa34bcde3694bf7d9c6de05f6f8fd3f2a5676 Mon Sep 17 00:00:00 2001
From: Jordan Bancino <jordan@bancino.net>
Date: Mon, 19 Dec 2022 22:25:49 +0000
Subject: [PATCH] Fix overflow on some platforms

---
 src/Sha2.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/Sha2.c b/src/Sha2.c
index 03da915..96c254a 100644
--- a/src/Sha2.c
+++ b/src/Sha2.c
@@ -187,7 +187,7 @@ Sha256(char *str)
     unsigned char out[32];
     char *outStr;
 
-    char fill[64];
+    unsigned char fill[64];
     uint32_t fillLen;
     unsigned char buf[8];
     uint32_t hiLen;
@@ -229,7 +229,7 @@ Sha256(char *str)
     PUT_UINT32(&buf[0], hiLen);
     PUT_UINT32(&buf[4], loLen);
 
-    Sha256Process(&context, (unsigned char *) fill, fillLen);
+    Sha256Process(&context, fill, fillLen);
     Sha256Process(&context, buf, 8);
 
     for (i = 0; i < 8; i++)