diff --git a/client.py b/client.py
index 5085cdf..b70c196 100755
--- a/client.py
+++ b/client.py
@@ -41,6 +41,7 @@ import lzma
 import socket
 import struct
 import xml.etree.ElementTree as ET
+import hashlib
 
 
 class BitStream():
@@ -144,10 +145,10 @@ class BitStream():
             self.pushChar(x)
             #y = ord(x)
             #self.internalSerial(y, 8)
-    def pushArrayChar(self, valeur, size):
+    def pushArrayUint8(self, valeur, size):
         ' ex.: pushArrayChar([0,1,3,4]) '
         for i in valeur:
-            self.pushChar(i)
+            self.pushUint8(i)
 
     # ------------------------------------
     def readSerial(self, nbits):
@@ -240,10 +241,10 @@ class BitStream():
             tmp += x
             _size -= 1
         return tmp
-    def readArrayChar(self, size):
+    def readArrayUint8(self, size):
         ret = []
         for i in range(0, size):
-            ret.append(self.readChar())
+            ret.append(self.readUint8())
         return ret
 
     # ------------------------------------
@@ -277,8 +278,18 @@ class BitStream():
         return ret
 
 def getTextMD5(dataRawXml):
+    log = logging.getLogger('myLogger')
+    dataNew = ''
     for data in dataRawXml:
-        pass
+        if data != '\r': # '\015' ignore caractère \r\n =>
+            dataNew += data
+        else:
+            log.debug("***** data:%d" % (ord(data)))
+    m = hashlib.md5()
+    m.update(dataNew.encode('utf-8'))
+    #print(m.hexdigest())
+    #print(m.digest())
+    return m.digest()
 
 def Test():
     a = BitStream()
@@ -1488,6 +1499,8 @@ class ClientNetworkConnection:
         self._LastAckInLongAck = 0
         self._MsgXmlMD5 = None
         self._DatabaseXmlMD5 = None
+        self.msgXml = None
+        self.databaseXml = None
 
     def cookiesInit(self, UserAddr, UserKey, UserId):
         self.UserAddr = UserAddr
@@ -1581,10 +1594,20 @@ class ClientNetworkConnection:
         _LatestSync = msg.readUint32()
         self.log.debug("%d %d %d" %(_Synchronize, stime, _LatestSync))
         # khanat-opennel-code/code/ryzom/client/src/network_connection.cpp : void CNetworkConnection::receiveSystemSync(CBitMemStream &msgin)
-        MsgData = msg.readArrayChar(16)
-        DatabaseData = msg.readArrayChar(16)
+        MsgData = msg.readArrayUint8(16)
+        DatabaseData = msg.readArrayUint8(16)
         self.log.debug("MsgData:" + str(MsgData))
         self.log.debug("DatabaseData:" + str(DatabaseData))
+        md5Msg = bytes(MsgData)
+        md5Database = bytes(DatabaseData)
+        if md5Msg == self._MsgXmlMD5:
+            self.log.info("Check MD5 msg.xml : OK")
+        else:
+            self.log.error("Check MD5 msg.xml : KO")
+        if md5Database == self._DatabaseXmlMD5:
+            self.log.info("Check MD5 database.xml : OK")
+        else:
+            self.log.error("Check MD5 database.xml : KO")
         self.log.error("TODO")
         #self.sendSystemAckSync()
 
@@ -1592,10 +1615,10 @@ class ClientNetworkConnection:
         pass
 
     def EmulateFirst(self, msgRawXml, databaseRawXml):
-        msgXml = ET.fromstring(msgRawXml)
-        ET.dump(msgXml)
-        databaseXml = ET.fromstring(databaseRawXml)
-        ET.dump(databaseXml)
+        self.msgXml = ET.fromstring(msgRawXml)
+        #ET.dump(msgXml)
+        self.databaseXml = ET.fromstring(databaseRawXml)
+        #ET.dump(databaseXml)
 
         self._MsgXmlMD5 = getTextMD5(msgRawXml)
         self._DatabaseXmlMD5 = getTextMD5(databaseRawXml)