Re: [tor-talk] A question about hidden services and tor in general

[grarpamp <grarpamp@xxxxxxxxx>]

>> HS -> Guard -> Middle -> Middle -> Rendpoint <- Middle <- Guard <- Client

> I hate to say it that gives me no confidence at all. Only the randomly
> chosen guard at the HS end needs to be compromised and the whole chain
> becomes worthless. A timing attack will reveal all.

I'd thought it trivial to time/packet/byte count and find the:
- HS, IF you ran both its guard and a client.
- Client, IF you ran both its guard and its destination
of choice (HS/[clearnet/exit]).

It depends on whether the guard has knowledge that some
of the streams going through its relay function are in fact
destined for a HS/client and not some other relay. I never
properly followed up on that question...
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