From 90e50e3aafbbcdf3f2ac5698302b939c7149c578 Mon Sep 17 00:00:00 2001
From: Anton Tananaev <anton@traccar.org>
Date: Tue, 1 Mar 2022 22:22:04 -0800
Subject: Fix Navtelecom checksum

---
 src/main/java/org/traccar/protocol/NavtelecomProtocolDecoder.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src/main/java/org/traccar/protocol')

diff --git a/src/main/java/org/traccar/protocol/NavtelecomProtocolDecoder.java b/src/main/java/org/traccar/protocol/NavtelecomProtocolDecoder.java
index 8314442a3..7b3b5774c 100644
--- a/src/main/java/org/traccar/protocol/NavtelecomProtocolDecoder.java
+++ b/src/main/java/org/traccar/protocol/NavtelecomProtocolDecoder.java
@@ -239,7 +239,7 @@ public class NavtelecomProtocolDecoder extends BaseProtocolDecoder {
                     ByteBuf response = Unpooled.buffer();
                     response.writeCharSequence(type, StandardCharsets.US_ASCII);
                     response.writeByte(count);
-                    response.writeByte(Checksum.xor(response.nioBuffer()));
+                    response.writeByte(Checksum.crc8(Checksum.CRC8_ROHC, response.nioBuffer()));
                     channel.writeAndFlush(new NetworkMessage(response, remoteAddress));
                 }
 
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