Re: [Anima] remote attestation Epoch ID distribution in IPv6 and GRASP

2022-08-20 Thread Michael Richardson
Henk Birkholz wrote: > If there is interest in this application of a source for freshness, we > can certainly make that happen. > And while we are at it: If ANIMA has any requirements on potential > payloads of an epoch marker, please say so :-) So while I know exactly what I

Re: [Anima] Extending GRASP messages and signing GRASP multicasts

2022-08-20 Thread Michael Richardson
Brian E Carpenter wrote: > We would prefer that this doesn't invalidate existing (unsigned) GRASP > code. That could be done by appending an optional signature to the > existing M_FLOOD message format. An alternative is to add a new flood > format that is signed, but would not be

Re: [Anima] remote attestation Epoch ID distribution in IPv6 and GRASP

2022-08-20 Thread Henk Birkholz
Hi Michael, similar to a MUD URL, an Epoch ID (or epoch marker, see: https://www.ietf.org/id/draft-birkholz-rats-epoch-markers-01.html) can be conveyed via many vehicles. As MUD URLs can, for example, be included in LLDP payload, it seems like a low hanging fruit to me to distribute Epoch