Re: [6tisch-security] EALS and how to go from 6tisch-minimal-security to zero-touch enrollment
Michael Richardson <mcr+ietf@sandelman.ca> Tue, 21 March 2017 14:40 UTC
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From: Michael Richardson <mcr+ietf@sandelman.ca>
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Date: Tue, 21 Mar 2017 10:40:05 -0400
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Subject: Re: [6tisch-security] EALS and how to go from 6tisch-minimal-security to zero-touch enrollment
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Mališa Vučinić <malisa.vucinic@inria.fr> wrote: > Do you mean pledge-initiated message_1 (pledge being the party U)? > What you describe can be done with the same mechanism as currently done > in minimal-security and the Discovery Message — empty CoAP ACK. Yes, I was thinking of this exactly. I was thinking that CoAP ACK, with a unique code. > One > issue there is that identity of U is not sent until message_3. We could > piggyback the identity of U in EXT_1 but that would break identity > protection of Sigma-I though. Yes, I was also thinking that this is a concern. The identity could be subtly masked in a variety of ways. If we do this, then we combine the notification by pledge with the first message, and eliminate the need for the "init" bit. -- Michael Richardson <mcr+IETF@sandelman.ca>, Sandelman Software Works -= IPv6 IoT consulting =-
- [6tisch-security] EALS and how to go from 6tisch-… Michael Richardson
- Re: [6tisch-security] EALS and how to go from 6ti… Göran Selander
- Re: [6tisch-security] EALS and how to go from 6ti… Mališa Vučinić
- Re: [6tisch-security] EALS and how to go from 6ti… Michael Richardson
- Re: [6tisch-security] EALS and how to go from 6ti… Michael Richardson
- Re: [6tisch-security] EALS and how to go from 6ti… Michael Richardson
- Re: [6tisch-security] EALS and how to go from 6ti… Mališa Vučinić
- Re: [6tisch-security] EALS and how to go from 6ti… Michael Richardson
- Re: [6tisch-security] EALS and how to go from 6ti… Mališa Vučinić
- Re: [6tisch-security] EALS and how to go from 6ti… Michael Richardson