The tool from pjsip mentioned above requires the keys for the srtp decryption.  Does the one you mention do it differently?<span></span><br><br>On Friday, October 31, 2014, Ben Langfeld &lt;<a href="mailto:ben@langfeld.co.uk">ben@langfeld.co.uk</a>&gt; wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">Anthony, I think I&#39;m not understanding your concern. Could you explain what you mean by logging the keys?</div><div class="gmail_extra"><br><div class="gmail_quote">On 30 October 2014 21:01, Anthony Minessale <span dir="ltr">&lt;<a href="javascript:_e(%7B%7D,&#39;cvml&#39;,&#39;anthony.minessale@gmail.com&#39;);" target="_blank">anthony.minessale@gmail.com</a>&gt;</span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">The bigger question is how to log the keys without compromising the point of why its all encrypted.<div>It would take some careful consideration.</div><div><br></div></div><div><div><div class="gmail_extra"><br><div class="gmail_quote">On Thu, Oct 30, 2014 at 12:32 PM, Ben Langfeld <span dir="ltr">&lt;<a href="javascript:_e(%7B%7D,&#39;cvml&#39;,&#39;ben@langfeld.co.uk&#39;);" target="_blank">ben@langfeld.co.uk</a>&gt;</span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">rtpengine does indeed allow decryption of DTLS encrypted RTP. I use it in front of Asterisk 1.4 for exactly that (and ICE resolution).</div><div><div><div class="gmail_extra"><br><div class="gmail_quote">On 30 October 2014 14:55, Carlos Ruiz Díaz <span dir="ltr">&lt;<a href="javascript:_e(%7B%7D,&#39;cvml&#39;,&#39;carlos.ruizdiaz@gmail.com&#39;);" target="_blank">carlos.ruizdiaz@gmail.com</a>&gt;</span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">rtpengine doesn&#39;t provide any mean to do any kind of decryption. The keys, however, are easily accessible if you are willing to modify the original software to create such functionality.<div><br></div><div>Regards,</div><div>Carlos</div></div><div class="gmail_extra"><div><div><br><div class="gmail_quote">On Thu, Oct 30, 2014 at 10:47 AM, Anthony Minessale <span dir="ltr">&lt;<a href="javascript:_e(%7B%7D,&#39;cvml&#39;,&#39;anthony.minessale@gmail.com&#39;);" target="_blank">anthony.minessale@gmail.com</a>&gt;</span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">This is a philosophical debate as to weather or not making the key available somewhere it can be obtained from nullifies the intended security.<div> </div></div><div class="gmail_extra"><div><div><br><div class="gmail_quote">On Thu, Oct 30, 2014 at 5:33 AM, Ben Langfeld <span dir="ltr">&lt;<a href="javascript:_e(%7B%7D,&#39;cvml&#39;,&#39;ben@langfeld.co.uk&#39;);" target="_blank">ben@langfeld.co.uk</a>&gt;</span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">Look into rtpengine and perhaps Kamailio to control it.</div><div class="gmail_extra"><br><div class="gmail_quote"><div><div>On 30 October 2014 04:41, Varghese Paul <span dir="ltr">&lt;<a href="javascript:_e(%7B%7D,&#39;cvml&#39;,&#39;varghesepaul87@gmail.com&#39;);" target="_blank">varghesepaul87@gmail.com</a>&gt;</span> wrote:<br></div></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div><div dir="ltr"><div><div><div><div>Hi all,<br><br></div>We are using freeswitch for handling webrtc calls and the negotiation in DTLS mode.<br><br></div>We are looking for a tool to decrypt the traffic between the webrtc client and freeswitch server. I know there is already a tool pcaputils from PJSIP for decrypting the SRTP traffic. Since we are using in DTLS mode we can&#39;t use this.<br><br></div>Can any one suggest any tool/method to decrypt the webrtc audio? <br><br></div>Regards<span><font color="#888888"><br><br>Varghese Paul <br><br></font></span></div>
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<a href="http://www.freeswitch.org" target="_blank">http://www.freeswitch.org</a><br></blockquote></div><br><br clear="all"><div><br></div></div></div><span><font color="#888888">-- <br><div><div dir="ltr">Anthony Minessale II       ♬ @anthmfs  ♬ @FreeSWITCH  ♬<div><br><div>☞ <a href="http://freeswitch.org/" target="_blank">http://freeswitch.org/</a>  ☞ <a href="http://cluecon.com/" target="_blank">http://cluecon.com/</a>  ☞ <a href="http://twitter.com/FreeSWITCH" target="_blank">http://twitter.com/FreeSWITCH</a></div><div><div>☞ <a href="http://irc.freenode.net" target="_blank">irc.freenode.net</a> #freeswitch ☞ <u><a href="http://freeswitch.org/g+" target="_blank">http://freeswitch.org/g+</a></u><br><br></div><div>ClueCon Weekly Development Call <br></div><div>☎ <a href="javascript:_e(%7B%7D,&#39;cvml&#39;,&#39;sip:888@conference.freeswitch.org&#39;);" target="_blank">sip:888@conference.freeswitch.org</a>  ☎ <a href="tel:%2B19193869900" value="+19193869900" target="_blank">+19193869900</a> </div><div><br></div></div></div></div></div>
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<a href="http://www.freeswitch.org" target="_blank">http://www.freeswitch.org</a><br></blockquote></div><br><br clear="all"><div><br></div>-- <br><div><div dir="ltr">Anthony Minessale II       ♬ @anthmfs  ♬ @FreeSWITCH  ♬<div><br><div>☞ <a href="http://freeswitch.org/" target="_blank">http://freeswitch.org/</a>  ☞ <a href="http://cluecon.com/" target="_blank">http://cluecon.com/</a>  ☞ <a href="http://twitter.com/FreeSWITCH" target="_blank">http://twitter.com/FreeSWITCH</a></div><div><div>☞ <a href="http://irc.freenode.net" target="_blank">irc.freenode.net</a> #freeswitch ☞ <u><a href="http://freeswitch.org/g+" target="_blank">http://freeswitch.org/g+</a></u><br><br></div><div>ClueCon Weekly Development Call <br></div><div>☎ <a href="javascript:_e(%7B%7D,&#39;cvml&#39;,&#39;sip:888@conference.freeswitch.org&#39;);" target="_blank">sip:888@conference.freeswitch.org</a>  ☎ <a href="tel:%2B19193869900" value="+19193869900" target="_blank">+19193869900</a> </div><div><br></div></div></div></div></div>
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