Re: [tor-talk] Hidden Services

[Sebastian Hahn <mail@xxxxxxxxxxxxxxxxx>]

On Sep 17, 2012, at 12:19 AM, Scurvy Scott wrote:

> I'm sure this has been asked on here before but:
> 
> Is it "possible" to basically brute force tor hidden services by simply
> visiting every possible .onion address and then indexing the ones that are
> active? Yes all 32^16 possibilities.. Is there possibly another way to do
> this? Perhaps by contacting the public key hash database mentioned at:
> https://www.torproject.org/docs/hidden-services.html.en
> for instance?
> 
> I know for a fact that such an index would be completely unwanted but I'm
> talking theoretically.
> 
> We'll see what types of responses we get.

Pure brute force, that's 2^80 attempts. If you could try 1 trillion
addresses per second, you'd be at it a little less than 40,000 years.

I don't think brute force is the approach you should be looking for.

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