Re: [6tisch] ASN replay attack -- proposed text

2019-07-30 Thread Michael Richardson
> At the time of the synchronization, the EB frame can neither be authenticated > nor its freshness verified. I suggest: > At the time of the synchronization, the EB frame can neither be authenticated > nor its freshness verified. An attacker could have fabricated the EB, or > may have simply

Re: [6tisch] ASN replay attack -- proposed text

2019-07-30 Thread Pascal Thubert (pthubert)
the receive time attached to > the frame as a meta of sorts to enable the delayed validation? > > > > All the best, > > > > Pascal > > > >> -Original Message- > >> From: 6tisch <6tisch-boun...@ietf.org> On Behalf Of Thomas Watt

Re: [6tisch] ASN replay attack -- proposed text

2019-07-30 Thread Mališa Vučinić
ation? > > All the best, > > Pascal > >> -Original Message- >> From: 6tisch <6tisch-boun...@ietf.org> On Behalf Of Thomas Watteyne >> Sent: vendredi 26 juillet 2019 17:08 >> To: Mališa Vučinić >> Cc: 6tisch <6tisch@ietf.org> >&

Re: [6tisch] ASN replay attack -- proposed text

2019-07-26 Thread Tero Kivinen
Pascal Thubert (pthubert) writes: > I'm wondering about the delayed security processing. That processing > may be delayed beyond the current ASN. Is the ASN of the receive > time attached to the frame as a meta of sorts to enable the delayed > validation? There is TimeStamp parameter to the

[6tisch] ASN replay attack -- proposed text

2019-07-26 Thread Tero Kivinen
Mališa Vučinić writes: > I worked on the initial version of the text describing the ASN > replay attack and its resolution discussed during the Montreal > meeting. > > The text can be found at: > >

Re: [6tisch] ASN replay attack -- proposed text

2019-07-26 Thread Pascal Thubert (pthubert)
6tisch <6tisch-boun...@ietf.org> On Behalf Of Thomas Watteyne > Sent: vendredi 26 juillet 2019 17:08 > To: Mališa Vučinić > Cc: 6tisch <6tisch@ietf.org> > Subject: Re: [6tisch] ASN replay attack -- proposed text > > Malisa, > The text IMO explains both the probl

Re: [6tisch] ASN replay attack -- proposed text

2019-07-26 Thread Thomas Watteyne
Malisa, The text IMO explains both the problem and the solution very well, congrats. Thomas > On 26 Jul 2019, at 20:23, Mališa Vučinić wrote: > > Dear all, > > I worked on the initial version of the text describing the ASN replay attack > and its resolution discussed during the Montreal

[6tisch] ASN replay attack -- proposed text

2019-07-26 Thread Mališa Vučinić
Dear all, I worked on the initial version of the text describing the ASN replay attack and its resolution discussed during the Montreal meeting. The text can be found at: https://bitbucket.org/6tisch/draft-ietf-6tisch-minimal-security/commits/4ea5f58b1a3245a1e2a2b46f95f0fd48b2f4bb31 Please