Re: [tor-talk] Bitcoin over Tor isn’t a good idea (Alex Biryukov / Ivan Pustogarov story)

2014-10-30 Thread Kristov Atlas
I started working on a web app to provide stats that may reveal such an attack in progress. It's in the early stages, so feedback on how to improve it is welcome. http://openbitcoinprivacyproject.org/torban/www/ -Kristov Atlas On Thu, Oct 30, 2014 at 2:18 PM, s7r wrote: > -BEGIN PGP SIGNED

Re: [tor-talk] Can Tor run over Tor?

2014-10-30 Thread Roger Dingledine
On Thu, Oct 30, 2014 at 03:48:27PM +0100, Lars Luthman wrote: > > If so, has anyone ever thought about the pros/cons of this? Obviously, it's > > exponentially more inefficient. But is it any more secure? > > I have done it accidentally with a misconfigured transparent proxy that > sent its own To

[tor-talk] hidden service performance [was: Questions about crypto used in TAP/Ntor]

2014-10-30 Thread coderman
On 10/30/14, bm-2cuqbqhfvdhuy34zcpl3pngkplueeer...@bitmessage.ch wrote: > ... > Maybe you get the chance to look into the Hidden Services... Nick has commented on them before on tor-dev, among other places. some additional hidden service performance links: "Hidden Services are in a peculiar sit

Re: [tor-talk] Questions about crypto used in TAP/Ntor

2014-10-30 Thread BM-2cUqBqHFVDHuY34ZcpL3PNgkpLUEEer8ev
Dear Nick, I want to thank you very much for your clear and explicit answer. This is what a transaparent and open-source project is all about. Thanks to people with your attitude such communities go forward and grow in perfomance. Obviously you were incomparable smarter (I don't have to say it, i

Re: [tor-talk] Questions about crypto used in TAP/Ntor

2014-10-30 Thread Nick Mathewson
On Thu, Oct 30, 2014 at 2:22 PM, wrote: > Dear experts, > > Want to clarify some things: > > 1. The fignerprint of a Tor relay which is advertised in the direcotry > data is a SHA1 sum of which key? Sice now a relay has a secret onion key > and a secret key for Ntor. Neither one; it's a fingerpri

Re: [tor-talk] Questions about crypto used in TAP/Ntor

2014-10-30 Thread nasuno
Sounds like the NSA to me. On Thu, Oct 30, 2014 at 11:22 AM, wrote: > Dear experts, > > Want to clarify some things: > > 1. The fignerprint of a Tor relay which is advertised in the direcotry > data is a SHA1 sum of which key? Sice now a relay has a secret onion key > and a secret key for Ntor. >

[tor-talk] Questions about crypto used in TAP/Ntor

2014-10-30 Thread BM-2cUqBqHFVDHuY34ZcpL3PNgkpLUEEer8ev
Dear experts, Want to clarify some things: 1. The fignerprint of a Tor relay which is advertised in the direcotry data is a SHA1 sum of which key? Sice now a relay has a secret onion key and a secret key for Ntor. 2. The fingerprint (since it's a hash sum of the key) is what strengths encryption

Re: [tor-talk] Bitcoin over Tor isn’t a good idea (Alex Biryukov / Ivan Pustogarov story)

2014-10-30 Thread s7r
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 On 10/30/2014 6:51 AM, Gregory Maxwell wrote: > On Mon, Oct 27, 2014 at 11:19 PM, Seth David Schoen > wrote: >> First, the security of hidden services among other things relies >> on the difficulty of an 80-bit partial hash collision; even >> withou

Re: [tor-talk] Bitcoin over Tor isn’t a good idea (Alex Biryukov / Ivan Pustogarov story)

2014-10-30 Thread s7r
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 On 10/30/2014 6:30 PM, Seth David Schoen wrote: > Gregory Maxwell writes: > >> On Mon, Oct 27, 2014 at 11:19 PM, Seth David Schoen >> wrote: >>> First, the security of hidden services among other things >>> relies on the difficulty of an 80-bit p

Re: [tor-talk] Bitcoin over Tor isn’t a good idea (Alex Biryukov / Ivan Pustogarov story)

2014-10-30 Thread Seth David Schoen
Gregory Maxwell writes: > On Mon, Oct 27, 2014 at 11:19 PM, Seth David Schoen wrote: > > First, the security of hidden services among other things relies on the > > difficulty of an 80-bit partial hash collision; even without any new > > mathematical insight, that isn't regarded by NIST as an ade

Re: [tor-talk] Can Tor run over Tor?

2014-10-30 Thread Lars Luthman
On Thu, 2014-10-30 at 10:02 -0400, Tyler Hardin wrote: > I'm sitting here with my computer using my phone's internet via USB > tethering and have Orbot on my phone and TBB on my computer. If I set Orbot > to tunnel all tethered traffic through Tor and then open up TBB, am I > really running Tor ov

[tor-talk] Tor 0.2.6.1-alpha is now released!

2014-10-30 Thread Nick Mathewson
Hi, all! The first alpha release for the 0.2.6 series has just been tagged and uploaded. Packages should become available some some operating systems over the next several days; and I hope I didn't miss the cutoff to get this into the TBB alpha. There's a lot more to come in the 0.2.6 series, bu

[tor-talk] Can Tor run over Tor?

2014-10-30 Thread Tyler Hardin
I'm sitting here with my computer using my phone's internet via USB tethering and have Orbot on my phone and TBB on my computer. If I set Orbot to tunnel all tethered traffic through Tor and then open up TBB, am I really running Tor over Tor? If so, has anyone ever thought about the pros/cons of t

Re: [tor-talk] Bitcoin over Tor isn’t a good idea (Alex Biryukov / Ivan Pustogarov story)

2014-10-30 Thread Артур Истомин
On Thu, Oct 30, 2014 at 08:31:14AM +0100, Öyvind Saether wrote: > > How it affect innocent bitcoin users with tainted bitcoins? Bitcoins > > come back to user' wallets? > > Do not worry about "tained coins" or likely-US-government-agent Mike > Hearn (who I, just for the record, view as a total dou

Re: [tor-talk] Bitcoin over Tor isn’t a good idea (Alex Biryukov / Ivan Pustogarov story)

2014-10-30 Thread Öyvind Saether
> How it affect innocent bitcoin users with tainted bitcoins? Bitcoins > come back to user' wallets? Do not worry about "tained coins" or likely-US-government-agent Mike Hearn (who I, just for the record, view as a total doucebag). All Bitcoins are equal or BTC is a worthless currency. Imagine go