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Re: [Linphone-developers] do audio and video are encrypted in ZRTP mode
Re: [Linphone-developers] do audio and video are encrypted in ZRTP mode ?
Tue, 8 Sep 2015 21:20:58 +0200
Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.1.0
yes linphone support video stream encryption using ZRTP key exchange.
There is no really need to announce ZRTP support in the INVITE as ZRTP
support is basically announced by sending/waiting for ZRTP Hello packet.
It shall work on all platform, including mac.
On 08/09/15 18:56, Eeri Kask wrote:
On Tue, 08 Sep 2015 09:38:29 +0200, Werner Dittmann wrote:
If Linphone implemented it correctly (which I don't know) then
also the video stream(s) are encrypted, at least ZRTP provides the
features to do this :-) .
'm usually using zrtp-encoded audio+video sessions from android-linphone
to android-linphone (in long-distance calls video sometimes gets stuck
on call setup though), and from pjsua-desktop-client which has the
abovementioned ZRTP implementation to android-linphone; but not managed
to establish a zrtp-session from anything to WP8-based linphone!
(Linphone didn't (or does not) announce anything zrtp-related during
session INVITE, so the other endpoint has to know about upcoming zrtp
content by other means.)
(Some time ago linphone-on-macosx while advertising supporting zrtp,
didn't support video-zrtp (or I simply didn't manage to get it to work),
and even didn't inform the user about not encoding video! Haven't
tested again since then.)
Am 07.09.2015 um 19:23 schrieb ???? ?????:
I want to know that if you activate ZRTP encryption, do the video AND the audio
are encrypted in video conference or only the audio ?
I tested for the audio, and it's indeed encrypted, but don't have the tool to
check for the video!
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