From: marshmellow42 <marshmellowrf@gmail.com>
Date: Mon, 20 Jun 2016 04:28:26 +0000 (-0400)
Subject: fix bug in viking clone/sim
X-Git-Tag: v3.0.0~87^2~10
X-Git-Url: http://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/commitdiff_plain/8f2268397d48fe9477eaf3784680b4114d36dcac

fix bug in viking clone/sim

from @iceman1001
---

diff --git a/client/cmdlfviking.c b/client/cmdlfviking.c
index 45e4b1d5..fa073df1 100644
--- a/client/cmdlfviking.c
+++ b/client/cmdlfviking.c
@@ -47,8 +47,8 @@ int usage_lf_viking_sim(void) {
 
 uint64_t getVikingBits(uint32_t id) {
 	//calc checksum
-	uint8_t checksum = (id>>24) ^ ((id>>16) & 0xFF) ^ ((id>>8) & 0xFF) ^ (id & 0xFF) ^ 0xF2 ^ 0xA8;
-	return ((uint64_t)0xF2 << 56) | (id << 8) | checksum;
+	uint8_t checksum = ((id>>24) & 0xFF) ^ ((id>>16) & 0xFF) ^ ((id>>8) & 0xFF) ^ (id & 0xFF) ^ 0xF2 ^ 0xA8;
+	return ((uint64_t)0xF2 << 56) | ((uint64_t)id << 8) | checksum;
 }
 //by marshmellow
 //see ASKDemod for what args are accepted