[humanresolv] Trying to open discussion
"Pars Mutaf" <pars.mutaf@gmail.com> Thu, 20 March 2008 17:52 UTC
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Date: Thu, 20 Mar 2008 19:49:27 +0200
From: Pars Mutaf <pars.mutaf@gmail.com>
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Subject: [humanresolv] Trying to open discussion
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Hello humanresolvers,
Hoping that this ML is not my personal IETF blog ;-)
I would like to ask your opinion on the following idea.
Pairing protocol (basic)
========================
What it does?
1. Mutual authentication using [SAS].
2. Sign each other's certificate.
3. Exchange SIP URIs.
4. Exchange Mobile IPv6 home addresses and other information.
What is the outcome?
1. IPsec or TSL can be used.
2. No need to use SIP triangle nor trapezoid.
->More reliable
->Faster connection establishment.
[SAS] Vaudenay, S., "Secure Communications over Insecure
Channels Based on Short Authenticated Strings", Advances
in Cryptology, CRYPTO 2005.
Review of [SAS]:
One user tells (i.e. orally) to the other a short auth
string and their phone get mutually authenticated. The
contribution of [SAS] is that it shortens and simplifies very
much the authentication string. 15-20 bits are enough. The
general belief is that the pairing problem was solved
by this paper.
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- [humanresolv] Trying to open discussion Pars Mutaf
- Re: [humanresolv] Trying to open discussion Pars Mutaf