[Users] TLS: what is encrypted in TLS?

Teemu Harju teemu.harju at gmail.com
Wed Nov 1 06:43:00 CET 2006


TLS is used with SIP so it secures only the signaling. If you want to
secure the media also you need to use SRTP with some key exchange
method like for example ZRTP.

- Teemu

On 10/30/06, Ferianto siregar <ferianto_voip at yahoo.com> wrote:
> Dear all,
>
> Thank you for this chance.
> All, I have tried to learn about how can TLS can secure communication in
> VoIP.
> I must to understand it in order to responsible my openser server (working)
> with TLS to my lecturer.
> But, I have still doubt.
> Actually, what is encrypted in TLS system so the communication become
> secure? Does it encrypt the data (voise packet)? or The traffic (so the
> sniffer can not get the data? OR anything else?
>
> I do hope anybody can help me :)
> Thanks,
>
>
> Ferianto
>
>
> Note: I cryptography tutorials, I read that the cryptography system secure
> the message (text) by encrypting it using public key and private key. So,
> How about TLS in VoIP?
>
>
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>
>
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-- 
Teemu Harju
http://www.teemuharju.net




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