Dear Qin, thanks so much for your detailed review and sorry for the delay in our answer. Find inline our comments.
2017-01-25 20:04 GMT+01:00 Qin Wang <[email protected]>: > Hi Xavi, > > I have just read minimal v19, and the difference between v18 and v19. I > have some comments as follows. > (1) In section 8, K2 is used to replace KL in the sentence "Provisioning > a network with a fixed link key K2 is not secure." I wonder if it should > be K1 instead of K2 to be used to replace KL. > > As we discussed during the last interim meeting we mean K2 here. > (2) In section 8 there is a discussion about "the impact these fake EBs > can have, depending on what key(s) are pre-provisioned". I think that > case 1 (K1 and K2 are pre-provisioned) and case 2 (K1 is pre-provisioned) > have same problem with fake EBs as case 3 (neither K1 nor K2 is > pre-provisioned) in term of security. Attacker can make fake EBs with the > pre-provisioned K1, because K1 is very easy to get. But, if other networks > instead of attackers are our concern, I will agree that a node has more > chance to join in correct network in case 1 and case 2. > > The assumption is that the attacker does not know the keys. I think the text is correct here as well. kind regards, Xavi > > On Wednesday, January 25, 2017 3:39 AM, Xavi Vilajosana Guillen < > [email protected]> wrote: > > > Dear all, > > we have submitted a new version of minimal addressing the last comments > received during the call last Friday. Main changes affect the security > section where Tero's comments have been taken into consideration. > > thanks everybody who contributed and kind regards, > Xavi > > > ---------- Forwarded message ---------- > From: <[email protected]> > Date: 2017-01-25 9:36 GMT+01:00 > Subject: [6tisch] I-D Action: draft-ietf-6tisch-minimal-19.txt > To: [email protected] > Cc: [email protected] > > > > A New Internet-Draft is available from the on-line Internet-Drafts > directories. > This draft is a work item of the IPv6 over the TSCH mode of IEEE 802.15.4e > of the IETF. > > Title : Minimal 6TiSCH Configuration > Authors : Xavier Vilajosana > Kris Pister > Thomas Watteyne > Filename : draft-ietf-6tisch-minimal-19. txt > Pages : 26 > Date : 2017-01-25 > > Abstract: > This document describes a minimal mode of operation for a 6TiSCH > Network. A minimal mode of operation is a baseline set of protocols, > recommended configurations and modes of operation sufficient to > enable a 6TiSCH functional network. 6TiSCH provides IPv6 > connectivity over a Time Synchronized Channel Hopping (TSCH) mesh > composed of IEEE Std 802.15.4 TSCH links. This minimal mode uses a > collection of protocols with the respective configurations, including > the 6LoWPAN framework, enabling interoperable IPv6 connectivity over > IEEE Std 802.15.4 TSCH. This minimal configuration provides the > necessary bandwidth for network and security bootstrap, and defines > the proper link between the IETF protocols that interface to IEEE Std > 802.15.4 TSCH. This minimal mode of operation should be implemented > by all 6TiSCH compliant devices. > > > The IETF datatracker status page for this draft is: > https://datatracker.ietf.org/ doc/draft-ietf-6tisch-minimal/ > <https://datatracker.ietf.org/doc/draft-ietf-6tisch-minimal/> > > There's also a htmlized version available at: > https://tools.ietf.org/html/ draft-ietf-6tisch-minimal-19 > <https://tools.ietf.org/html/draft-ietf-6tisch-minimal-19> > > A diff from the previous version is available at: > https://www.ietf.org/rfcdiff? url2=draft-ietf-6tisch- minimal-19 > <https://www.ietf.org/rfcdiff?url2=draft-ietf-6tisch-minimal-19> > > > Please note that it may take a couple of minutes from the time of > submission > until the htmlized version and diff are available at tools.ietf.org. > > Internet-Drafts are also available by anonymous FTP at: > ftp://ftp.ietf.org/internet- drafts/ <ftp://ftp.ietf.org/internet-drafts/> > > ______________________________ _________________ > 6tisch mailing list > [email protected] > https://www.ietf.org/mailman/ listinfo/6tisch > <https://www.ietf.org/mailman/listinfo/6tisch> > > > > -- > Dr. Xavier Vilajosana > Wireless Networks Lab > > *Internet Interdisciplinary Institute (IN3)Professor* > (+34) 646 633 681 <+34%20646%2063%2036%2081> > [email protected] <[email protected]> > http://xvilajosana.org > http://wine.rdi.uoc.edu > Parc Mediterrani de la Tecnologia > Av Carl Friedrich Gauss 5, B3 Building > 08860 Castelldefels (Barcelona). Catalonia. Spain > [image: Universitat Oberta de Catalunya] > > > _______________________________________________ > 6tisch mailing list > [email protected] > https://www.ietf.org/mailman/listinfo/6tisch > > > > _______________________________________________ > 6tisch mailing list > [email protected] > https://www.ietf.org/mailman/listinfo/6tisch > > -- Dr. Xavier Vilajosana Wireless Networks Lab *Internet Interdisciplinary Institute (IN3)Professor* (+34) 646 633 681 [email protected] <[email protected]> http://xvilajosana.org http://wine.rdi.uoc.edu Parc Mediterrani de la Tecnologia Av Carl Friedrich Gauss 5, B3 Building 08860 Castelldefels (Barcelona). Catalonia. Spain [image: Universitat Oberta de Catalunya]
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