From e9dd9a1f312ee1ba800dac75807f962e3666e4f0 Mon Sep 17 00:00:00 2001
From: Hanno Becker <hanno.becker@arm.com>
Date: Mon, 11 Apr 2022 09:06:27 +0100
Subject: [PATCH] Use size_t for number of limbs

Signed-off-by: Hanno Becker <hanno.becker@arm.com>
---
 library/ecp_curves.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/library/ecp_curves.c b/library/ecp_curves.c
index 5f541ad137..d477fc1f8f 100644
--- a/library/ecp_curves.c
+++ b/library/ecp_curves.c
@@ -5222,7 +5222,7 @@ static int ecp_mod_p255( mbedtls_mpi *N )
 
     /* Helper references for top part of N */
     mbedtls_mpi_uint * const NT_p = N->p + P255_WIDTH;
-    unsigned const NT_n = N->n - P255_WIDTH;
+    size_t const NT_n = N->n - P255_WIDTH;
     if( NT_n == 0 || NT_n > P255_WIDTH )
         return( 0 );