Re: [tor-dev] getting reliable time-period without a clock

2016-06-20 Thread Tom Ritter
Well, the consensus is the ultimate root of trust for the Tor network. Sample: http://171.25.193.9:443/tor/status-vote/current/consensus It's a very large ASCII document, and you'd need to hardcode one or more DirAuth keys. But it has a timestamp in it. You could provide older consensuses to the s

Re: [tor-dev] getting reliable time-period without a clock

2016-06-20 Thread Razvan Dragomirescu
Thank you Ivan, I don't want to trust the host, that's why I'm looking for something that the _network_ agrees upon, not something the host can provide or generate itself. If the host fetches the Facebook hidden service descriptor and provides it to the card, the card can check the signature on it

Re: [tor-dev] getting reliable time-period without a clock

2016-06-20 Thread Ivan Markin
Hello Razan, Razvan Dragomirescu: > I am working on a smartcard-based hidden service publishing solution and > since I'm tying the hidden service descriptor to the physical smartcard, I > want to make sure that the host is not asking the smartcard to generate > hidden service descriptors in advanc

[tor-dev] getting reliable time-period without a clock

2016-06-20 Thread Razvan Dragomirescu
Hello everyone, I am working on a smartcard-based hidden service publishing solution and since I'm tying the hidden service descriptor to the physical smartcard, I want to make sure that the host is not asking the smartcard to generate hidden service descriptors in advance, to be used when the car

Re: [tor-dev] Revisiting prop224 overlap descriptor logic and descriptor lifetimes

2016-06-20 Thread George Kadianakis
George Kadianakis writes: > [ text/plain ] > Roger Dingledine writes: > >> [ text/plain ] >> On Mon, Jun 13, 2016 at 03:48:39PM +0300, George Kadianakis wrote: >>> The main issue for me right now is that I can't recall how this helps with >>> clock skewed clients, even though that was a big part

Re: [tor-dev] [GSOC16] Fingerprint Central - Status report n°2

2016-06-20 Thread Pierre Laperdrix
Hey, On 06/20/2016 12:55 PM, Georg Koppen wrote: > Hi! > > Pierre Laperdrix: >> Hi everyone, >> >> Here is my second status report for my GSOC project. >> A little reminder that the repo is located on GitHub: >> https://github.com/plaperdr/fp-central >> >> 1 - I have progressed faster than I expe

Re: [tor-dev] [GSOC16] Fingerprint Central - Status report n°2

2016-06-20 Thread Georg Koppen
Hi! Pierre Laperdrix: > Hi everyone, > > Here is my second status report for my GSOC project. > A little reminder that the repo is located on GitHub: > https://github.com/plaperdr/fp-central > > 1 - I have progressed faster than I expected in the last two weeks. Here > is everything that I have