Re: [Linphone-developers] RES: How to compile with "enable_zrtp=yes"? (bit confused)

[Werner Dittmann]

ZRTP is the protocol that negotiates the keys that SRTP later uses to encrypt 
the media.

Werner

Am 12.11.2013 17:07, schrieb Rodrigo Pimenta Carvalho:
> Hi Juha, Guillaume and Jalindar.
> 
> Thank all of you for the comments.
> But, I'm still a bit confused, as I am willing to use liblinphone:
> 
> 1 - Have I to download some package (openssl or libgcrypt or libccrtp or 
> libzrtpcpp-dev)  from somewhere?
> 
> 2 - If yes, from which site? If not, is it enough to compile in the order 
> that Jalindar suggested, by means of respectively makefiles?
> 
> 3 - If I have the possibility to use just SRTP in linphone, when it could be 
> necessary to choose ZRTP?
> 
> Thanks a lot.
> Rodrigo Pimenta Carvalho
> 
> RODRIGO PIMENTA CARVALHO
> Inatel Competence Center
> Software
> Ph: +55 35 3471 9389     (Brasil)
> ________________________________________
> De: address@hidden address@hidden em Nome de Guillaume Beraudo address@hidden
> Enviado: terça-feira, 12 de novembro de 2013 12:05
> Para: address@hidden
> Assunto: Re: [Linphone-developers] How to compile with "enable_zrtp=yes"?
> 
> Hi,
> 
> Zrtp uses srtp.
> If you want srtp and tls (by polarssl) then you need our srtp version.
> 
> 
> Guillaume
> 
> On Tue, Nov 12, 2013 at 01:00:20PM +0200, Juha Heinanen wrote:
>> JALINDAR writes:
>>
>>> This error tells that it need librztpcpp library which need libccrtp
>>> library and which need libgcrypt or openssl .
>>>
>>> so *libgcrypt / openssl -> libccrtp -> librztpcpp -> linphone*
>>>
>>> this is the sequence needed to compile linphone *fow with zrtp
>>> enabled.*
>>
>> in theory yes, but my experience is that compiling linphone with zrtp
>> also requires linphone's *own* version of libsrtp.
>>
>> -- juha
>>
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