Hi, The time period overlap section 2.2.4 in prop224 is under-specified: https://gitweb.torproject.org/torspec.git/tree/proposals/224-rend-spec-ng.txt#n821 1. During the overlap period, does the service use the new blinded key for the new period, and the old blinded key for the old period? I think the answer is yes, but this requires some deduction to work out. 2. If the overlap period starts when a service sees the first consensus with a new SRV, does the service stop using that SRV and blinded key: * at the end of the period? (that is, exactly 36 hours after the earliest the overlap period could possibly have started.) * exactly 36 hours after the SRV was first seen? (that is, exactly 36 hours after the service started the overlap period. For example, if the service fetched the consensus 2 hours after it was created, it would end 2 hours after the end of the period.) * when the first reveal consensus is received with that SRV as the previous SRV? (or some similar consensus-driven event) Does every service on a tor instance start the overlap at the same time? https://gitweb.torproject.org/torspec.git/tree/proposals/224-rend-spec-ng.txt#n768 T -- Tim Wilson-Brown (teor) teor2345 at gmail dot com PGP C855 6CED 5D90 A0C5 29F6 4D43 450C BA7F 968F 094B ricochet:ekmygaiu4rzgsk6n xmpp: teor at torproject dot org ------------------------------------------------------------------------
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