Hello Malisa Speaking for myself here, I'm happy that you start on that direction already; but would like to see the edhoc group formed and progressing before committing fully to it.
All the best, Pascal > -----Original Message----- > From: 6tisch <[email protected]> On Behalf Of Mališa Vucinic > Sent: mardi 2 avril 2019 14:55 > To: Michael Richardson <[email protected]> > Cc: 6tisch <[email protected]> > Subject: [6tisch] Progress zero-touch document > > Michael, all, > > With the EDHOC specification finally seeing progress (see [1]), it seems like > a > good time to restart the work on zero touch and progress the adopted working > group document. > > Reading the current version of > draft-ietf-6tisch-dtsecurity-zerotouch-join-03, it > seems that there are many options available, including the choice between > DTLS and EDHOC for authentication. Many available options may pose > interoperability challenges and also add unnecessary code complexity. Given > that the working group decided on using OSCORE during network access [2], as > well as for application purposes [3], the implementation of the 6TiSCH stack > includes the CBOR/COSE primitives in the footprint, as well as the support to > go through an application-layer proxy as specified in [2]. EDHOC protocol is > built on these primitives, can be easily carried within messages specified in > [2] > for network access to go through an application-layer proxy, and is quite > efficient when it comes to the encoding overhead using CBOR resulting in a > small number of L2 frames to complete the key exchange. It seems as a natural > way forward for the working group to focus on using EDHOC in [4]. > > Therefore, I would like to propose to keep track of the EDHOC progress and to > work on a more streamlined zero-touch solution. Doing these changes in [4] > seems to make the most sense at this point. > > What are your thoughts on this? > > Mališa > > [1] > https://mailarchive.ietf.org/arch/msg/secdispatch/Kz_6y6Jq4HsWxglsUHafWj > XIm0c > [2] https://datatracker.ietf.org/doc/draft-ietf-6tisch-minimal-security/ > [3] https://datatracker.ietf.org/doc/draft-ietf-6tisch-architecture/ > [4] https://datatracker.ietf.org/doc/draft-ietf-6tisch-dtsecurity-zerotouch- > join/ > _______________________________________________ > 6tisch mailing list > [email protected] > https://www.ietf.org/mailman/listinfo/6tisch _______________________________________________ 6tisch mailing list [email protected] https://www.ietf.org/mailman/listinfo/6tisch
