[VOIPSEC] Help: Using SRTP for university project

[M Rizal B Azmi]

I have already installed the binary version for windows. The security settings tab in Preferences lists two key-exchanges. What is the difference between the two and which one do I choose? I am however not at my university at this moment and have installed the minisip UAs on 2 laptops interconnected via cross cables. Would this kind of setup be usable for making direct SIP calls or do I need to be connected to an SIP provider to establish a call? 

Also, since minisip already has an MIKEYlibrary dll installed, I would assume that I do not need to compile a seperate MIKEY library. Thanks again for the support.

Regards,
Rizal

Cesc Santasusana <cesc.santasusana at nl.thalesgroup.com> wrote: In the web page, see the "For developers" site.
You need to get the sources directly from the subversion repository. 
Once you have them, in the Documentation/crosscompile/windows-mingw32
.... you'll find a step by step process. It is not easy, but if you have
experience with linux and compilation, it should not be very difficult.

On the other hand, we are working to bring autobuilding online ... so
that the binary packages would be always up to date ... but i have no
ETA as to when is it going to happen.

As to answering the rest ... a binary version for minisip can be found
in the webpage: "Download" -> Windows XP ... together with
instructions.
And we have never tried cygwin ... but there is no need, it runs
natively in both linux and windows ... so...

Regards,

Cesc

Unclassified
>>> M Rizal B Azmi  03/12/06 02:23pm >>>
Hi all,

Thanks for the many responses. Cesc, I have visited and downloaded the
miniSIP lib files from the website. However, I didn't find any
instructions for compiling and running the application under win XP. Can
I simply use an emulator like cygwin? 

Thanks & regards,
Rizal

Cesc Santasusana  wrote: This is a
repeat ... i just replied to the wrong subject email :)

miniSIP (www.minisip.org, see instructions for SVN repository) does
SRTP with MIKEY key 
exchange for a long time now. The mikey works very well
between minisips, and some testing has been done with libSRTP with no
major problems.
And since a couple months ago it also runs on windows XP/2000 boxes and
a windows mobile 2003 
port is almost ready.

Regards,

Cesc

Unclassified
>>> M Rizal B Azmi  03/09/06 10:21pm >>>
Hi all,
  
  I'm doing a university project on VoIP security. It's purpose is to 
analyze the impact of basic VoIP security measures on performance. 
Currently the scope is focusing on SRTP as it doesn't effect QoS. The 
only software phone I know which supports SRTP is the the Snom 360 
Softphone. However, I can't seem to make it dial or receive any VoIP 
calls. Snom support hasn't replied as of now.
  
  My only other option is to use libSRTP but I do not understand how to
 utilize it as my programming knowledge is very low. So far I managed to
 compile it using cygwin but am stuck as to what to do next. After 
applying SRTP, I would analyze the traffic using Ethereal and attempt 
some packet sniffing to prove its functionality. The experimentation is 
done at my uni lab with the following setup:
  
  - Analog Telephones (Generic � 2 units)
  - Analog Voice Modules (Cisco NM-2V � 2 units installed in
routers)
  - Routers (Cisco 3725 Multiservice Access Router � 2 units)
  - Switches (Intel Express 410T & Cisco 3550 Catalyst � 2 units)
  - Desktop PCs (Compaq Evo D510 � Multiple units)
  - Switches (Intel Express 410T & Cisco 3550 Catalyst � 2 units)
  
  The two routers are interconnected via serial cable. Others are 
connected using basic Ethernet UTP cables. Its a very basic setup of 
two connected networks. (Not sure how to post the connection diagram in 
here)
  
  Thanks in advance for your assistance.
  
  Regards,
  M Rizal B Azmi

  
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