Re: [Linphone-users] ZRTP status

[Guillaume Beraudo]

Hi,

ZRTP support has been implemented on all platforms for quite a long time now.
However it is not in broad use at the moment, for several reasons:
- until recently we had no US/FR crypto export aggreement;
- the ZRTPCPP version in Debian was too old.

As a consequence, I encourage everyone interrested in ZRTP to get the source,
compile it and report any issue.

Another point is that there exists buggy sip proxys that have difficulties 
relyaying
RTP streams when doing ZRTP. Have a look at the list for details and an (early) 
patch.
This problem is not present on our server, but unfortunately it is still not 
released.


Cheers,

Guillaume Beraudo



On Mon, Jul 01, 2013 at 07:03:30PM +0000, Abel Luck wrote:
> Hi there,
> 
> What is the current status of ZRTP support on all the various platforms?
> 
> I tested Linphone on Android, from the playstore, but there is no option
> for it in the "Media Encryption" settings, nor did it engage in SRTP or
> None mode.
> 
> A colleague also tested it on iPhone, with no success.
> 
> We're mighty interested in a fully cross platform ZRTP-supporting SIP
> client to complement our recent work on an open secure telephony network
> standard [1][2].
> 
> How much effort is required to get ZRTP working for each platform?
> 
> Cheers,
> 
> Abel Luck
> The Guardian Project
> 
> [1]: https://guardianproject.info/wiki/OSTN
> [2]: https://ostel.co/
> 
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