//
// extract the sensor-id and check the password
//
String[] t = line.substring( "authentication".length() ).split( " " );
Base64Codec codec = new Base64Codec();
String userpass = new String( codec.decode( t[1].getBytes() ) );
int k = 0;
for(int i = userpass.length() - 1; i >= 0; i--)
if(userpass.charAt(i) == ':'){
k = i;