Thanks Lorenzo for your patch, i will try to sort out my Asterisk 11.4 now. Have a good day.
Regards, Nitesh On Wed, Dec 4, 2013 at 11:19 AM, Lorenzo Miniero <lmini...@gmail.com> wrote: > PS: I'm not sure attachments are allowed on the mailing list. If not, feel > free to contact me privately for the patch and more info. > > Lorenzo > > > 2013/12/4 Lorenzo Miniero <lmini...@gmail.com> > >> Hi Nitesh, >> >> my chan_sip is rather messy right now, as I changed several things due to >> other experiments as well. I tried to prepare a patch that only allegedly >> covers the DTLS experiments: just beware that it is for asterisk-11.1.2 and >> so you may need to tweak it a bit for your case. Anyway, what I did with >> respect to DTLS in chan_sip as you can see wasn't much (as I explained in >> that report, most of the SDP manipulation I did in my webapp), so just to >> summarize: >> >> 1. I moved the DTLS initialization after the RTCP stuff, for the >> reasons explained in the report; >> 2. I made sure that sha-256 fingerprints (sent by Chrome and Firefox) >> were accepted by the parser, and that sha-256 fingerprints were added in >> the reply too (this needs a change in the RTP engine, of course, which by >> default generates sha-1 fingerprints); >> 3. a couple of fixes to an incorrect SAVPF behaviour (the wrong >> crypto context was used); >> 4. an ugly hack to force DTLS if it is disabled in the configuration, >> but you get a fingerprint in the SDP: I chose to do it this way as >> enabling >> it in the configuration forces DTLS for all calls, which I didn't want. >> >> Hope that helps, let me know if you need any further help. >> >> Lorenzo >> >> >> 2013/12/4 nitesh bansal <nitesh.ban...@gmail.com> >> >>> Hi Lorenzo, >>> >>> Thanks for your response. Can you share your patch on chan_sip. >>> >>> Regards, >>> Nitesh Bansal >>> >>> >>> On Mon, Dec 2, 2013 at 4:09 PM, Lorenzo Miniero <lmini...@gmail.com>wrote: >>> >>>> 2013/12/2 Mark Michelson <mmichel...@digium.com> >>>> >>>>> On 12/02/2013 05:29 AM, nitesh bansal wrote: >>>>> >>>>>> Hello everybody, >>>>>> >>>>>> I want to setup a basic Demo of WebRTC using Asterisk as WebServer >>>>>> and SRTP-DTLS. >>>>>> I got the demo setup using SRTP-DES with chrome, chrome is porpoising >>>>>> both DTLS and DES, >>>>>> Asterisk responds with DES abd call is connected. >>>>>> But i want asterisk to propose DTLS also in its response, can you >>>>>> please tell me if asterisk supports DTLS and if yes, is there a wiki page >>>>>> with the documentation? >>>>>> I could not find any relevant wikipage. >>>>>> >>>>>> Regards, >>>>>> Nitesh >>>>>> >>>>>> >>>>> Asterisk supports DTLS. Your best bet for documentation at the moment >>>>> is to look at configs/sip.conf.sample in Asterisk 11 and grep for >>>>> "DTLS-SRTP CONFIGURATION". That will direct you to a section that explains >>>>> the various DTLS-related configuration options for chan_sip. >>>>> >>>>> Mark Michelson >>>>> >>>>> >>>> >>>> Just as an additional cue point, you may also refer to the report I >>>> wrote a few months ago on making DTLS work in my case. I don't know whether >>>> or not some of those points eventually made it to the documentation, and >>>> some of them may be obsolete (e.g., you definitely don't need the fake >>>> crypto anymore), but they may be oh help nonetheless: >>>> >>>> http://lists.digium.com/pipermail/asterisk-dev/2013-May/060435.html >>>> >>>> Lorenzo >>>> >>>> >>>> >>>>> -- >>>>> _____________________________________________________________________ >>>>> -- Bandwidth and Colocation Provided by http://www.api-digital.com -- >>>>> >>>>> asterisk-dev mailing list >>>>> To UNSUBSCRIBE or update options visit: >>>>> http://lists.digium.com/mailman/listinfo/asterisk-dev >>>>> >>>> >>>> >>>> -- >>>> _____________________________________________________________________ >>>> -- Bandwidth and Colocation Provided by http://www.api-digital.com -- >>>> >>>> asterisk-dev mailing list >>>> To UNSUBSCRIBE or update options visit: >>>> http://lists.digium.com/mailman/listinfo/asterisk-dev >>>> >>> >>> >>> -- >>> _____________________________________________________________________ >>> -- Bandwidth and Colocation Provided by http://www.api-digital.com -- >>> >>> asterisk-dev mailing list >>> To UNSUBSCRIBE or update options visit: >>> http://lists.digium.com/mailman/listinfo/asterisk-dev >>> >> >> > > -- > _____________________________________________________________________ > -- Bandwidth and Colocation Provided by http://www.api-digital.com -- > > asterisk-dev mailing list > To UNSUBSCRIBE or update options visit: > http://lists.digium.com/mailman/listinfo/asterisk-dev >
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