[SR-Users] How to decrypt SIP message

Khoa Pham onmyway133 at gmail.com
Fri May 3 14:56:30 CEST 2013


@Olle. thanks for your reply

1. I only want stream encryption to avoid SIP ALG (which can modify SIP
message wrongly)
2. What is the max concurrent TCP connections can Kamailio handle ? I heard
there is a tcp_max_connections, is that the answer ?


On Fri, May 3, 2013 at 7:20 PM, Olle E. Johansson <oej at edvina.net> wrote:

> TLS has two phases - key exchange and encryption.
> Seems like you only want stream encryption, which means you will have to
> go deep down in the
> TLS module and the OpenSSL library.
>
>
> Why on earth do you want to use a static key? That seems to contradict the
> need for protection.
>
> /O
>
> 3 maj 2013 kl. 14:14 skrev Khoa Pham <onmyway133 at gmail.com>:
>
> @Daniel
>
> TLS is OK, but many TCP connections will makes client suffering from 503
> Service Unavailable error. Please consider this as a feature request :)
>
>
> On Tue, Apr 2, 2013 at 11:18 AM, Khoa Pham <onmyway133 at gmail.com> wrote:
>
>> Hi,
>>
>> Currently, I'm using TLS and it works fine. But eventually, TLS is just
>> used to agree upon a secret key. And both client and Kamailio use that
>> secret key to encrypt message.
>>
>> In my solution, I have a fixed secret key. And client encrypt SIP message
>> with that secret key.
>> What code should I insert in Kamalio to decrypt it?
>>
>> --
>> Khoa Pham
>> HCMC University of Science
>> Faculty of Information Technology
>>
>
>
>
> --
> Khoa Pham
> HCMC University of Science
> Faculty of Information Technology
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-- 
Khoa Pham
HCMC University of Science
Faculty of Information Technology
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