Uh-uh...

[Andre Kesteloot]

     From Zimmerman's Web site:


http://www.philzimmermann.com/EN/zfone/index.html


    Secure Voice over IP: Zfone

14 Mar 2006 - I've just released Zfone, a new product that takes a new 
approach to make a secure telephone for the Internet. Zfone lets you 
whisper in someone's ear, even if their ear is a thousand miles away.

I think it's better than the other approaches to secure VoIP, because it 
achieves security without reliance on a PKI, key certification, trust 
models, certificate authorities, or key management complexity that 
bedevils the email encryption world. It also does not rely on SIP 
signaling for the key management, and in fact does not rely on any 
servers at all. It performs its key agreements and key management in a 
purely peer-to-peer manner over the RTP packet stream. It interoperates 
with any standard SIP phone, but naturally only encrypts the call if you 
are calling another Zfone client. This new protocol has been submitted 
to the IETF as a proposal for a public standard 
<http://www.ietf.org/internet-drafts/draft-zimmermann-avt-zrtp-01.txt>, 
to enable interoperability of SIP endpoints from different vendors.

see also: http://www.wired.com/news/technology/0,70524-0.html?tw=wn_index_1
****************************************************************

73
André N4ICK


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