Re: [hiprg] rfid-04
Pascal Urien <pascal.urien@gmail.com> Tue, 15 November 2011 07:31 UTC
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Date: Tue, 15 Nov 2011 08:31:16 +0100
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From: Pascal Urien <pascal.urien@gmail.com>
To: Andrei Gurtov <gurtov@cs.helsinki.fi>
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Cc: hiprg@irtf.org
Subject: Re: [hiprg] rfid-04
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Hi Anderi, About the second question, that are many ways (and many patents) to produce random values in RFID. Roughly speaking there is two families - seed in a R/W non volatile memory associated to a pseudo random generator - memories initialized at power on, or PUF (Physical Unclonable Functions) Best Regards Pascal 2011/11/15, Andrei Gurtov <gurtov@cs.helsinki.fi>: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > > > Hi, > > Please add required IANA reservations to next draft revision. > > How about my other questions? > > Andrei > > On 15.11.2011 1:02, Pascal Urien wrote: >> Hi Andrei, >> >> The first mesage delivered by the HIP-RFID protocol is I1-T whose >> packet type is 0x40 >> >> This value could be normalized by IANA ? >> >> Best Regards >> >> Pascal >> >> >> 2011/11/14, Andrei Gurtov <gurtov@hiit.fi>: >> >> I read the new draft, which will be presented on Thursday HIPRG >> http://tools.ietf.org/html/draft-irtf-hiprg-rfid-04 >> >> I was wondering, is proposed T-BEX interoperating with RFC5201 or >> 5201bis or DEX HIP? If no, don't we need to request separate IANA >> protocol version (or even number)? Is there some way that HIP >> hosts can determine which version the other peer is speaking >> (perhaps that needs to be embedded to metadata stored for mapping >> in DNSSEC, DHT, etc). >> >> Regarding HIT-I, is it newly generated for each exchange with a >> reader? Draft mentions HIIT-I is generated pseudorandomfly by RFID, >> but also says RFID doesn't have timers. So how the randomness can >> be provided, if there is no system clock to seed it? How long the >> generation process typically takes on a RFID? >> >> Maybe section 1.5 could be extended to summarize differences >> between HIP and RFID-HIP in a bit more detail (e.g. in base >> exchange messages) >> >> Andrei >>> _______________________________________________ hiprg mailing >>> list hiprg@irtf.org https://www.irtf.org/mailman/listinfo/hiprg >>> > -----BEGIN PGP SIGNATURE----- > Version: GnuPG v1.4.11 (MingW32) > Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ > > iEYEARECAAYFAk7CBI8ACgkQP7jp0uceFkSYEACg1gUahYv3A6aZB9eJSK6v/CNP > 1OAAoJRFx7lBF7wwI17b2yxpE/VKeVM+ > =C5YD > -----END PGP SIGNATURE----- > _______________________________________________ > hiprg mailing list > hiprg@irtf.org > https://www.irtf.org/mailman/listinfo/hiprg >
- [hiprg] rfid-04 Andrei Gurtov
- Re: [hiprg] rfid-04 Pascal Urien
- Re: [hiprg] rfid-04 Andrei Gurtov
- Re: [hiprg] rfid-04 Pascal Urien