[SR-Users] Regarding rtpengine dtls handling and fetching crypto keys

[riko nir]

Hi, Thanks for the answer.

Do you have any options for sending this keys to opensips somehow, by
modifying the code in rtpengine and in opesips script file?

Also, I have another query. The SRTP keys that we are getting after the
DTLS handshake is common for both audio and video streams for both RTP and
RTCP?


Whether the streams from the webrtc client is coming as multiplexed or not
multiplexed one, and how rtpengine is handling it?

Thanks.



On Tue, Jan 12, 2016 at 7:08 PM, Richard Fuchs <rfuchs at sipwise.com> wrote:

> On 01/12/2016 04:09 AM, riko nir wrote:
>
>> Hi all,
>>
>> I have a media server and it is able to handle SRTP, provided the crypto
>> key.
>>
>> We are planning to give webrtc support to the media server. We are using
>> opensips+rtpengine for that.
>>
>> For dtls, we are using rtpengine. The rtpengine just needs to do the
>> dtls handshake and it needs to fetch the crypto key and it should
>> provide the key to media server, so that the media server will be able
>> to handle the SRTP traffic.
>>
>> We are bit struggling, how to get the crypto keys from rtpengine and
>> send it to opensips and opensips will send it to media server.
>>
>> how this can be done? your suggestions will help us a lot.
>>
>
> The only place the crypto key appears is in the debug log output. It's
> printed there after the handshake completes. Other than that, this mode of
> operation is completely unsupported.
>
> Cheers
>
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