[Freeswitch-users] To decypt webrtc audio

Ben Langfeld ben at langfeld.co.uk
Thu Oct 30 20:32:53 MSK 2014


rtpengine does indeed allow decryption of DTLS encrypted RTP. I use it in
front of Asterisk 1.4 for exactly that (and ICE resolution).

On 30 October 2014 14:55, Carlos Ruiz Díaz <carlos.ruizdiaz at gmail.com>
wrote:

> rtpengine doesn'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.
>
> Regards,
> Carlos
>
> On Thu, Oct 30, 2014 at 10:47 AM, Anthony Minessale <
> anthony.minessale at gmail.com> wrote:
>
>> This is a philosophical debate as to weather or not making the key
>> available somewhere it can be obtained from nullifies the intended security.
>>
>>
>> On Thu, Oct 30, 2014 at 5:33 AM, Ben Langfeld <ben at langfeld.co.uk> wrote:
>>
>>> Look into rtpengine and perhaps Kamailio to control it.
>>>
>>> On 30 October 2014 04:41, Varghese Paul <varghesepaul87 at gmail.com>
>>> wrote:
>>>
>>>> Hi all,
>>>>
>>>> We are using freeswitch for handling webrtc calls and the negotiation
>>>> in DTLS mode.
>>>>
>>>> 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't use this.
>>>>
>>>> Can any one suggest any tool/method to decrypt the webrtc audio?
>>>>
>>>> Regards
>>>>
>>>> Varghese Paul
>>>>
>>>>
>>>>
>>>> _________________________________________________________________________
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>>>
>>>
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>>
>>
>>
>> --
>> Anthony Minessale II       ♬ @anthmfs  ♬ @FreeSWITCH  ♬
>>
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>>
>> _________________________________________________________________________
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>>
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>>
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>
>
>
> --
> Carlos
> http://caruizdiaz.com
>
> _________________________________________________________________________
> Professional FreeSWITCH Consulting Services:
> consulting at freeswitch.org
> http://www.freeswitchsolutions.com
>
> Official FreeSWITCH Sites
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> http://confluence.freeswitch.org
> http://www.cluecon.com
>
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