From 20d380ad297495f291d2acf9c538101287b42ebc Mon Sep 17 00:00:00 2001
From: Louis Burda <quent.burda@gmail.com>
Date: Tue, 13 Mar 2018 20:13:36 +0100
Subject: [PATCH] Minor issue

memory optimization in arduino implementation
---
 NfcKeyC.ino | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/NfcKeyC.ino b/NfcKeyC.ino
index 2a0e0ea..fe81054 100644
--- a/NfcKeyC.ino
+++ b/NfcKeyC.ino
@@ -93,7 +93,7 @@ uint32_t getkey(uint8_t* uid)
 	//Calc key
 	uint32_t k = 0; //Key as int
 	r = (ru[0] + ru[2] + ru[4] + ru[6]) & 3; //Offset
-	for (i = 4; i >= 0; i--) 
+	for (i = 3; i >= 0; i--) 
 		k = ru[i + r] + (k << 8);
 
 	return k;
@@ -112,7 +112,7 @@ uint16_t getpack(uint8_t* uid)
 	transform(ru);
 
 	//Calc pack
-	uint32_t p = 0;
+	uint16_t p = 0;
 	for (i = 0; i < 8; i++)
 		p += ru[i] * 13;