From 4b4d68a4e6ee3bad66e00bd9905c572ad9c7b91b Mon Sep 17 00:00:00 2001
From: Anton Tananaev <anton.tananaev@gmail.com>
Date: Wed, 4 May 2016 13:26:16 +1200
Subject: Explicitly use ASCII charset

---
 src/org/traccar/helper/Checksum.java | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

(limited to 'src/org/traccar/helper/Checksum.java')

diff --git a/src/org/traccar/helper/Checksum.java b/src/org/traccar/helper/Checksum.java
index c156e53f7..6a0a35b16 100644
--- a/src/org/traccar/helper/Checksum.java
+++ b/src/org/traccar/helper/Checksum.java
@@ -16,7 +16,7 @@
 package org.traccar.helper;
 
 import java.nio.ByteBuffer;
-import java.nio.charset.Charset;
+import java.nio.charset.StandardCharsets;
 import java.util.zip.CRC32;
 
 public final class Checksum {
@@ -158,7 +158,7 @@ public final class Checksum {
 
     public static String nmea(String msg) {
         int checksum = 0;
-        for (byte b : msg.getBytes(Charset.defaultCharset())) {
+        for (byte b : msg.getBytes(StandardCharsets.US_ASCII)) {
             checksum ^= b;
         }
         return String.format("*%02x", checksum).toUpperCase();
@@ -166,7 +166,7 @@ public final class Checksum {
 
     public static String sum(String msg) {
         byte checksum = 0;
-        for (byte b : msg.getBytes(Charset.defaultCharset())) {
+        for (byte b : msg.getBytes(StandardCharsets.US_ASCII)) {
             checksum += b;
         }
         return String.format("%02X", checksum).toUpperCase();
-- 
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