Re: [Tm-rid] HHIT trust proof for Auth messages
"Wiethuechter, Adam" <adam.wiethuechter@axenterprize.com> Tue, 01 October 2019 20:12 UTC
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From: "Wiethuechter, Adam" <adam.wiethuechter@axenterprize.com>
Date: Tue, 01 Oct 2019 16:11:46 -0400
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To: Michael Richardson <mcr@sandelman.ca>
Cc: Robert Moskowitz <rgm@labs.htt-consult.com>, "tm-rid@ietf.org" <tm-rid@ietf.org>
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Subject: Re: [Tm-rid] HHIT trust proof for Auth messages
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Michael, If you mean 4x23=92 bytes (pages 0-3 of the auth message) which then creates 23 bytes of parity; which I use to fill the final page, then yes. However each time I look at what you wrote I come back with something different in my head - rather annoying. I haven't had much exposure to FECs other than seeing them in text and knowing that it is being used in something; for instance Reed-Solomon, which I think is a FEC, is used in Tahoe LAFS which I use often. I will read up on them to get a better idea what you are saying. On Tue, Oct 1, 2019 at 2:41 PM Michael Richardson <mcr@sandelman.ca> wrote: > > Wiethuechter, Adam <adam.wiethuechter@axenterprize.com> wrote: > > My concern, is that we are broadcasting over Bluetooth. There are 5 > pages > > to the authentication message (from my understanding of the new > standard). > > If we lose any one page it is most likely going to be a signature > page (as > > it spans 3 whole pages) and there will be no way to achieve that > which this > > format is intended for without the full signature. Perhaps the > payload > > section that Bob marked in (and fills the final page of the > authentication > > message) should be some sort of error correction on the signature? > > I think what you have in mind is that you take the 5x25 = 100 bytes, and > did a FEC to get 6x25 pages, such that one can lose any single page. > Each page no longer can ever stand alone now, btw. > > -- > ] Never tell me the odds! | ipv6 mesh > networks [ > ] Michael Richardson, Sandelman Software Works | IoT > architect [ > ] mcr@sandelman.ca http://www.sandelman.ca/ | ruby on > rails [ > > -- 73's, Adam T. Wiethuechter
- [Tm-rid] HHIT trust proof for Auth messages Robert Moskowitz
- Re: [Tm-rid] HHIT trust proof for Auth messages Wiethuechter, Adam
- Re: [Tm-rid] HHIT trust proof for Auth messages Michael Richardson
- Re: [Tm-rid] HHIT trust proof for Auth messages Wiethuechter, Adam
- Re: [Tm-rid] HHIT trust proof for Auth messages Robert Moskowitz
- Re: [Tm-rid] HHIT trust proof for Auth messages Wiethuechter, Adam
- Re: [Tm-rid] HHIT trust proof for Auth messages Card, Stu
- Re: [Tm-rid] HHIT trust proof for Auth messages Robert Moskowitz
- Re: [Tm-rid] HHIT trust proof for Auth messages Michael Richardson
- Re: [Tm-rid] HHIT trust proof for Auth messages Robert Moskowitz
- Re: [Tm-rid] HHIT trust proof for Auth messages Wiethuechter, Adam
- Re: [Tm-rid] HHIT trust proof for Auth messages Michael Richardson
- Re: [Tm-rid] HHIT trust proof for Auth messages Wiethuechter, Adam