<html>
  <head>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
  </head>
  <body text="#000000" bgcolor="#FFFFFF">
    Oh, ok.  That will work.  Presumably the serial number (with random
    digits) is also printed somewhere on the product too, so it won't
    get lost.<br>
    <br>
    Greg<br>
    <br>
    <br>
    <div class="moz-cite-prefix">Mark Webb-Johnson wrote:<br>
    </div>
    <blockquote type="cite"
      cite="mid:334269A4-7626-4AA1-8A2B-F170699987CA@webb-johnson.net">
      <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
      Plan is as follows:
      <div class=""><br class="">
      </div>
      <blockquote style="margin: 0 0 0 40px; border: none; padding:
        0px;" class="">
        <div class="">
          <div class=""><font class="" face="Andale Mono"><span
                style="font-size: 14px;" class="">Serial numbers are of
                the form:</span></font></div>
          <div class=""><font class="" face="Andale Mono"><span
                style="font-size: 14px;" class=""><br class="">
              </span></font></div>
          <div class=""><font class="" face="Andale Mono"><span
                style="font-size: 14px;" class="">YYYYBBNNNNN</span></font></div>
          <div class=""><font class="" face="Andale Mono"><span
                style="font-size: 14px;" class=""><br class="">
              </span></font></div>
          <div class=""><font class="" face="Andale Mono"><span
                style="font-size: 14px;" class="">* YYYY is four digit
                year. For example; 2018</span></font></div>
          <div class=""><font class="" face="Andale Mono"><span
                style="font-size: 14px;" class="">* BB is two digit
                batch. For example; 00, 01, 02, etc</span></font></div>
          <div class=""><font class="" face="Andale Mono"><span
                style="font-size: 14px;" class="">* NNNN is four digit
                sequence. For example; 0001, 0002, etc</span></font></div>
          <div class=""><font class="" face="Andale Mono"><span
                style="font-size: 14px;" class=""><br class="">
              </span></font></div>
          <div class=""><font class="" face="Andale Mono"><span
                style="font-size: 14px;" class="">First production batch
                is 2018010001 - 2018010120.</span></font></div>
        </div>
      </blockquote>
      <div class=""><br class="">
      </div>
      <div class="">
        <div class="">That would be 10 digits. Not the most secure, and
          pretty predictable, but better than a simple “OVMS”.</div>
      </div>
      <div class=""><br class="">
      </div>
      <div class="">I’m asking if the software they have can generate
        random characters. If it can, then will add four random letters
        onto the end.</div>
      <div class=""><br class="">
      </div>
      <div class="">Regards, Mark.</div>
      <div class=""><br class="">
        <div>
          <blockquote type="cite" class="">
            <div class="">On 4 Mar 2018, at 11:23 AM, Greg D. <<a
                href="mailto:gregd2350@gmail.com" class=""
                moz-do-not-send="true">gregd2350@gmail.com</a>>
              wrote:</div>
            <br class="Apple-interchange-newline">
            <div class="">
              <meta http-equiv="Content-Type" content="text/html;
                charset=UTF-8" class="">
              <div text="#000000" bgcolor="#FFFFFF" class=""> Hi Mark,<br
                  class="">
                <br class="">
                WPA2 PSK passphrases for WiFi need to be at least 8
                characters.  Do the serial numbers have leading zeros?<br
                  class="">
                <br class="">
                Greg<br class="">
                <br class="">
                <br class="">
                <div class="moz-cite-prefix">Mark Webb-Johnson wrote:<br
                    class="">
                </div>
                <blockquote type="cite"
                  cite="mid:9CBD2939-6C54-4BEB-B4B7-C41B857E9DD0@webb-johnson.net"
                  class="">
                  <meta http-equiv="Content-Type" content="text/html;
                    charset=UTF-8" class="">
                  <div class=""><br class="">
                  </div>
                  They’ll do pretty much whatever we ask them to do.
                  <div class=""><br class="">
                  </div>
                  <div class="">To try to formalise this, so everyone
                    can see, I’ve created a
                    production/qc/production_notes.txt file with the
                    production notes that will be given to the China
                    side. This should document all the production and QC
                    steps they should do.</div>
                  <div class=""><br class="">
                  </div>
                  <div class="">What I have at the moment is:</div>
                  <div class=""><br class="">
                  </div>
                  <blockquote style="margin: 0 0 0 40px; border: none;
                    padding: 0px;" class="">
                    <div class="">
                      <div class=""><font class="" face="Andale Mono"><span
                            style="font-size: 14px;" class="">********************************************************************************</span></font></div>
                      <div class=""><font class="" face="Andale Mono"><span
                            style="font-size: 14px;" class="">** TOOLS</span></font></div>
                      <div class=""><font class="" face="Andale Mono"><span
                            style="font-size: 14px;" class="">********************************************************************************</span></font></div>
                      <div class=""><font class="" face="Andale Mono"><span
                            style="font-size: 14px;" class=""><br
                              class="">
                          </span></font></div>
                      <div class=""><font class="" face="Andale Mono"><span
                            style="font-size: 14px;" class="">1] DB9 CAN
                            Bus QC tool</span></font></div>
                      <div class=""><font class="" face="Andale Mono"><span
                            style="font-size: 14px;" class=""><br
                              class="">
                          </span></font></div>
                      <div class=""><font class="" face="Andale Mono"><span
                            style="font-size: 14px;" class="">   DB9
                            Female with:</span></font></div>
                      <div class=""><font class="" face="Andale Mono"><span
                            style="font-size: 14px;" class="">    * Pins
                            2, 4, and 6 connected (all CAN-L signals)</span></font></div>
                      <div class=""><font class="" face="Andale Mono"><span
                            style="font-size: 14px;" class="">    * Pins
                            5, 7, and 8 connected (all CAN-H signals)</span></font></div>
                      <div class=""><font class="" face="Andale Mono"><span
                            style="font-size: 14px;" class="">    * R120
                            between pins 2 and 5</span></font></div>
                      <div class=""><font class="" face="Andale Mono"><span
                            style="font-size: 14px;" class="">    *
                            External 12V power connector</span></font></div>
                      <div class=""><font class="" face="Andale Mono"><span
                            style="font-size: 14px;" class="">      *
                            GND on pin 3</span></font></div>
                      <div class=""><font class="" face="Andale Mono"><span
                            style="font-size: 14px;" class="">      *
                            +12V on pin 9</span></font></div>
                      <div class=""><font class="" face="Andale Mono"><span
                            style="font-size: 14px;" class=""><br
                              class="">
                          </span></font></div>
                      <div class=""><font class="" face="Andale Mono"><span
                            style="font-size: 14px;" class="">********************************************************************************</span></font></div>
                      <div class=""><font class="" face="Andale Mono"><span
                            style="font-size: 14px;" class="">**
                            PRODUCTION STEPS</span></font></div>
                      <div class=""><font class="" face="Andale Mono"><span
                            style="font-size: 14px;" class="">********************************************************************************</span></font></div>
                      <div class=""><font class="" face="Andale Mono"><span
                            style="font-size: 14px;" class=""><br
                              class="">
                          </span></font></div>
                      <div class=""><font class="" face="Andale Mono"><span
                            style="font-size: 14px;" class="">1] Default
                            wifi AP and module passwords</span></font></div>
                      <div class=""><font class="" face="Andale Mono"><span
                            style="font-size: 14px;" class=""><br
                              class="">
                          </span></font></div>
                      <div class=""><font class="" face="Andale Mono"><span
                            style="font-size: 14px;" class=""> 
                             OVMS> config set wifi.ap OVMS
                            <serialnumber></span></font></div>
                      <div class=""><font class="" face="Andale Mono"><span
                            style="font-size: 14px;" class=""> 
                             OVMS> config set password module
                            <serialnumber></span></font></div>
                      <div class=""><font class="" face="Andale Mono"><span
                            style="font-size: 14px;" class=""><br
                              class="">
                          </span></font></div>
                      <div class=""><font class="" face="Andale Mono"><span
                            style="font-size: 14px;" class="">   Where
                            <serialnumber> is the serial number
                            from the label on the enclosure.</span></font></div>
                    </div>
                  </blockquote>
                  <div class=""><br class="">
                  </div>
                  <div class="">I think that should set both the module
                    default and auto wifi AP passwords to the serial
                    number of the module. That will be on a label on the
                    underside of the module.</div>
                  <div class=""><br class="">
                  </div>
                  <div class="">You are correct: this is a connected
                    car, with possibly disastrous consequences should
                    somebody malicious gain access. Best to err on the
                    side of caution.</div>
                  <div class=""><br class="">
                  </div>
                  <div class="">Regards, Mark.</div>
                  <div class=""><br class="">
                    <div class="">
                      <blockquote type="cite" class="">
                        <div class="">On 3 Mar 2018, at 4:07 AM, Michael
                          Balzer <<a href="mailto:dexter@expeedo.de"
                            class="" moz-do-not-send="true">dexter@expeedo.de</a>>
                          wrote:</div>
                        <br class="Apple-interchange-newline">
                        <div class="">
                          <meta http-equiv="Content-Type"
                            content="text/html; charset=UTF-8" class="">
                          <div text="#000000" bgcolor="#FFFFFF" class="">
                            Mark,<br class="">
                            <br class="">
                            <div class="moz-cite-prefix">Am 26.02.2018
                              um 07:28 schrieb Mark Webb-Johnson:<br
                                class="">
                            </div>
                            <blockquote type="cite"
                              cite="mid:B7AB3971-3FB1-4717-98FF-388A790206E7@webb-johnson.net"
                              class="">
                              <div class=""><br class="">
                              </div>
                              I’ve asked the China side. Specifically:
                              <div class=""><br class="">
                              </div>
                              <div class="">
                                <ol class="MailOutline">
                                  <li class="">Can you print serial
                                    number stickers for these modules? I
                                    can provide design - and we can
                                    print a large batch.</li>
                                  <li class="">Then, during
                                    manufacturing, have one step to
                                    enter serial number as password into
                                    module, like:</li>
                                  <ol class="">
                                    <li class="">Flash</li>
                                    <li class="">Connect terminal</li>
                                    <li class="">QC checks</li>
                                    <li class="">New step to
                                      type: config set wifi.ap OVMS
                                      <serialnumber></li>
                                  </ol>
                                </ol>
                              </div>
                            </blockquote>
                            <br class="">
                            Just to double check: so we won't set the
                            module password, only the AP pass phrase?<br
                              class="">
                            <br class="">
                            Has setting the module password any
                            drawbacks?<br class="">
                            <br class="">
                            I'm asking because I assume the SMS channel
                            -as soon as implemented- will also provide
                            command access, which would be open by
                            default as well without a module password.<br
                              class="">
                            <br class="">
                            Setting the module password would secure the
                            webserver as well.<br class="">
                            <br class="">
                            Regards,<br class="">
                            Michael<br class="">
                            <br class="">
                            <pre class="moz-signature" cols="160">-- 
Michael Balzer * Helkenberger Weg 9 * D-58256 Ennepetal
Fon 02333 / 833 5735 * Handy 0176 / 206 989 26
</pre>
                          </div>
_______________________________________________<br class="">
                          OvmsDev mailing list<br class="">
                          <a href="mailto:OvmsDev@lists.teslaclub.hk"
                            class="" moz-do-not-send="true">OvmsDev@lists.teslaclub.hk</a><br
                            class="">
                          <a class="moz-txt-link-freetext"
                            href="http://lists.teslaclub.hk/mailman/listinfo/ovmsdev"
                            moz-do-not-send="true">http://lists.teslaclub.hk/mailman/listinfo/ovmsdev</a><br
                            class="">
                        </div>
                      </blockquote>
                    </div>
                    <br class="">
                  </div>
                  <br class="">
                  <fieldset class="mimeAttachmentHeader"></fieldset>
                  <br class="">
                  <pre class="" wrap="">_______________________________________________
OvmsDev mailing list
<a class="moz-txt-link-abbreviated" href="mailto:OvmsDev@lists.teslaclub.hk" moz-do-not-send="true">OvmsDev@lists.teslaclub.hk</a>
<a class="moz-txt-link-freetext" href="http://lists.teslaclub.hk/mailman/listinfo/ovmsdev" moz-do-not-send="true">http://lists.teslaclub.hk/mailman/listinfo/ovmsdev</a>
</pre>
                </blockquote>
                <br class="">
              </div>
              _______________________________________________<br
                class="">
              OvmsDev mailing list<br class="">
              <a href="mailto:OvmsDev@lists.teslaclub.hk" class=""
                moz-do-not-send="true">OvmsDev@lists.teslaclub.hk</a><br
                class="">
              <a class="moz-txt-link-freetext" href="http://lists.teslaclub.hk/mailman/listinfo/ovmsdev">http://lists.teslaclub.hk/mailman/listinfo/ovmsdev</a><br
                class="">
            </div>
          </blockquote>
        </div>
        <br class="">
      </div>
      <br>
      <fieldset class="mimeAttachmentHeader"></fieldset>
      <br>
      <pre wrap="">_______________________________________________
OvmsDev mailing list
<a class="moz-txt-link-abbreviated" href="mailto:OvmsDev@lists.teslaclub.hk">OvmsDev@lists.teslaclub.hk</a>
<a class="moz-txt-link-freetext" href="http://lists.teslaclub.hk/mailman/listinfo/ovmsdev">http://lists.teslaclub.hk/mailman/listinfo/ovmsdev</a>
</pre>
    </blockquote>
    <br>
  </body>
</html>