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    <div class="moz-cite-prefix">On 03.12.2019 15:39, volga629 via Users
      wrote:<br>
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      cite="mid:1575380370.3324485.1@skillsearch.ca">
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        <div>Thank you reply, so any bad actor can't use as example with
          self sign certificates ?   So digital signature must be
          produced from well known authorized CA certificate key pair ?</div>
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    <tt>Correct.  The bad actor's self-signed X509 STIR/SHAKEN
      certificate can be easily</tt><tt><br>
      distinguished from an officially recognized one (exactly like
      HTTPS certs).</tt>
    <blockquote type="cite"
      cite="mid:1575380370.3324485.1@skillsearch.ca">
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        <div>Can you point on one of the well know CA authority which
          authorized for SHAKEN/STIR.</div>
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        <div>volga629 <br>
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    <tt>The last known info I have is this [1] "call for certification
      authorities", back in</tt><tt><br>
    </tt><tt>July.  I'm not sure whether the deadline is over, or if any
      CAs have started popping up,</tt><tt><br>
    </tt><tt>but from what I just searched, things haven't progressed
      much.</tt>
    <p><tt>Regards,</tt><br>
    </p>
    <p><tt>[1]: </tt><tt><a
href="https://sites.atis.org/insights/sti-ga-call-for-certificate-authorities/">https://sites.atis.org/insights/sti-ga-call-for-certificate-authorities/</a><br>
      </tt></p>
    <pre class="moz-signature" cols="72">Liviu Chircu
OpenSIPS Developer
<a class="moz-txt-link-freetext" href="http://www.opensips-solutions.com">http://www.opensips-solutions.com</a></pre>
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