Re: [babel] What's up with HNCP security?

Markus Stenberg <markus.stenberg@iki.fi> Mon, 29 May 2017 08:18 UTC

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From: Markus Stenberg <markus.stenberg@iki.fi>
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Date: Mon, 29 May 2017 10:14:42 +0300
Cc: Juliusz Chroboczek <jch@irif.fr>, homenet-babel-sec@ietf.org, babel@ietf.org
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Subject: Re: [babel] What's up with HNCP security?
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>>> Network wide keys are useless.
>> 
>> Depends on the size of the network, I guess.
> 
> Yes.   For networks with only two hosts, network-wide keys are adequate...

My _home_ network has plenty of network-wide shared keys (e.g. SSID PSKs) and I do not consider them useless;  while they are low barrier to entry, I am not aware of any good alternatives that most of my devices would support (and SSID per device is not realistic).

Cheers,

-Markus