From 5007c13fbd585628d10e2a92b7e96702d66defcc Mon Sep 17 00:00:00 2001
From: Jeffrey Walton <noloader@gmail.com>
Date: Tue, 21 Nov 2017 04:55:41 -0500
Subject: [PATCH] Switch to size_t for loop control

---
 speck.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/speck.cpp b/speck.cpp
index a8d55fa9..b6eea409 100644
--- a/speck.cpp
+++ b/speck.cpp
@@ -57,7 +57,7 @@ inline void SPECK_Encrypt(W c[2], const W p[2], const W k[R])
     c[0]=p[0]; c[1]=p[1];
 
     // Don't unroll this loop. Things slow down.
-    for(W i=0; static_cast<int>(i)<R; ++i)
+    for (size_t i=0; static_cast<int>(i)<R; ++i)
         TF83(c[0], c[1], k[i]);
 }
 
@@ -73,7 +73,7 @@ inline void SPECK_Decrypt(W p[2], const W c[2], const W k[R])
     p[0]=c[0]; p[1]=c[1];
 
     // Don't unroll this loop. Things slow down.
-    for(W i=R-1; static_cast<int>(i)>=0; --i)
+    for (size_t i=R-1; static_cast<int>(i)>=0; --i)
         TR83(p[0], p[1], k[i]);
 }