Re: [Roll] [roll] #156 (security-threats): draft-ietf-roll-security-threats-06 - RPL control message are broadcast
"roll issue tracker" <trac+roll@trac.tools.ietf.org> Thu, 08 May 2014 17:41 UTC
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Subject: Re: [Roll] [roll] #156 (security-threats): draft-ietf-roll-security-threats-06 - RPL control message are broadcast
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#156: draft-ietf-roll-security-threats-06 - RPL control message are broadcast Comment (by mcr@sandelman.ca): A layer-2 symmetric key that has been shared between more than two nodes can not be used to provide data origin authentication. That's the problem with broadcast/multicast messages and layer-2 keying. It works fine if you have complete trust in all of the nodes that have the layer-2 key. If you haven't got complete trust in all the nodes, then an asymmetric (layer-3) key needs to sign the broadcast messages. -- ---------------------------------------+------------------------------- Reporter: mariainesrobles@gmail.com | Owner: mcr@sandelman.ca Type: defect | Status: assigned Priority: major | Milestone: Component: security-threats | Version: Severity: In WG Last Call | Resolution: Keywords: | ---------------------------------------+------------------------------- Ticket URL: <http://trac.tools.ietf.org/wg/roll/trac/ticket/156#comment:2> roll <http://tools.ietf.org/wg/roll/>
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