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Today's Topics:
 Â1. List of projects (Cory Pruce)
 Â2. Re: List of projects (Nick Mathewson)
 Â3. Re: List of projects (Cory Pruce)
 Â4. Re: Multithreaded crypto on Tor (teor)
----------------------------------------------------------------------
Message: 1
Date: Sun, 28 Jun 2015 11:12:45 -0700
From: Cory Pruce <corypruce@xxxxxxxxx>
To: dgoulet@xxxxxxxxxxxxxx, nickm@xxxxxxxxxxxxxx,
    meejah@xxxxxxxxxxxxxx, atagar@xxxxxxxxxxxxxx,
    tor-dev@xxxxxxxxxxxxxxxxxxxx
Subject: [tor-dev] List of projects
Message-ID: <5590391D.6020900@xxxxxxxxx>
Content-Type: text/plain; charset=utf-8
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
Hey,
I see now that the multithreading on the crypto operations is at least
partly resolved (#9682) but there still exists more to be done. I could
help on the condition variables and possibly more with that project or
another one from the project ideas on the Tor volunteer page. For
example, I've worked with the Stem library before doing primarily
traffic analysis in a class at Carnegie Mellon. If no one has worked on
the first option, I could do that as well. Please let me know if any of
you are willing to discuss these with me! I'd like to hear back knowing
that I'm talking to other human beings :-) Sorry if this isn't the way I
should be contacting. If so, let me know!
- - Cory
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=Ebps
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------------------------------
Message: 2
Date: Sun, 28 Jun 2015 17:35:47 -0400
From: Nick Mathewson <nickm@xxxxxxxxxxxxxx>
To: Cory Pruce <corypruce@xxxxxxxxx>
Cc: Damian Johnson <atagar@xxxxxxxxxxxxxx>, meejah@xxxxxxxxxxxxxx,
    tor-dev@xxxxxxxxxxxxxxxxxxxx, David Goulet <dgoulet@xxxxxxxxxxxxxx>
Subject: Re: [tor-dev] List of projects
Message-ID:
    <CAKDKvuzxLDGjokxZK26_X=_H9-J_wMdOYrOakyGv2cs6kdPSig@xxxxxxxxxxxxxx>
Content-Type: text/plain; charset=UTF-8
On Sun, Jun 28, 2015 at 2:12 PM, Cory Pruce <corypruce@xxxxxxxxx> wrote:
>
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
>
> Hey,
>
> I see now that the multithreading on the crypto operations is at least
> partly resolved (#9682) but there still exists more to be done. I could
> help on the condition variables and possibly more with that project or
> another one from the project ideas on the Tor volunteer page. For
> example, I've worked with the Stem library before doing primarily
> traffic analysis in a class at Carnegie Mellon. If no one has worked on
> the first option, I could do that as well. Please let me know if any of
> you are willing to discuss these with me! I'd like to hear back knowing
> that I'm talking to other human beings :-) Sorry if this isn't the way I
> should be contacting. If so, let me know!
Hi, Cory, and sorry about the delay! I saw your earlier two messages,
and I just thought I'd send you a quick note today to say, "Yup, we
got them!"Â I'm going to be a little more slow responding than I would
like, since I'm preparing for a trip to PETS
(https://petsymposium.org/2015/), but I'll try to write back some
actual useful info as soon as I can.
cheers,
--
Nick
------------------------------
Message: 3
Date: Sun, 28 Jun 2015 14:37:07 -0700
From: Cory Pruce <corypruce@xxxxxxxxx>
To: Nick Mathewson <nickm@xxxxxxxxxxxxxx>
Cc: atagar@xxxxxxxxxxxxxx, meejah@xxxxxxxxxxxxxx, David Goulet
    <dgoulet@xxxxxxxxxxxxxx>, tor-dev@xxxxxxxxxxxxxxxxxxxx
Subject: Re: [tor-dev] List of projects
Message-ID:
    <CANOqyr7fzF2ADbmYof+Pufd3DGgFwVNqmLkZzvVSKecz_7QywQ@xxxxxxxxxxxxxx>
Content-Type: text/plain; charset="utf-8"
Awesome, no worries. Thanks!
On Jun 28, 2015 2:35 PM, "Nick Mathewson" <nickm@xxxxxxxxxxxxxx> wrote:
> On Sun, Jun 28, 2015 at 2:12 PM, Cory Pruce <corypruce@xxxxxxxxx> wrote:
> >
> > -----BEGIN PGP SIGNED MESSAGE-----
> > Hash: SHA1
> >
> > Hey,
> >
> > I see now that the multithreading on the crypto operations is at least
> > partly resolved (#9682) but there still exists more to be done. I could
> > help on the condition variables and possibly more with that project or
> > another one from the project ideas on the Tor volunteer page. For
> > example, I've worked with the Stem library before doing primarily
> > traffic analysis in a class at Carnegie Mellon. If no one has worked on
> > the first option, I could do that as well. Please let me know if any of
> > you are willing to discuss these with me! I'd like to hear back knowing
> > that I'm talking to other human beings :-) Sorry if this isn't the way I
> > should be contacting. If so, let me know!
>
> Hi, Cory, and sorry about the delay! I saw your earlier two messages,
> and I just thought I'd send you a quick note today to say, "Yup, we
> got them!"Â I'm going to be a little more slow responding than I would
> like, since I'm preparing for a trip to PETS
> (https://petsymposium.org/2015/), but I'll try to write back some
> actual useful info as soon as I can.
>
> cheers,
> --
> Nick
>
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Message: 4
Date: Mon, 29 Jun 2015 10:27:27 +1000
From: teor <teor2345@xxxxxxxxx>
To: tor-dev@xxxxxxxxxxxxxxxxxxxx
Subject: Re: [tor-dev] Multithreaded crypto on Tor
Message-ID: <703C2B27-DD87-422B-B2F1-12CC589E3A28@xxxxxxxxx>
Content-Type: text/plain; charset="us-ascii"
> Date: Sat, 27 Jun 2015 20:44:02 -0700
> From: Cory Pruce <corypruce@xxxxxxxxx>
> To: tor-dev@xxxxxxxxxxxxxxxxxxxx
> Subject: [tor-dev] Multithreaded crypto on Tor
> Message-ID: <558F6D82.2010400@xxxxxxxxx>
> Content-Type: text/plain; charset="utf-8"
>
> Hi!
>
> Let me start by introducing myself. My name is Cory Pruce, am an
> Information Technology - Information Security Master's student at
> Carnegie Mellon, and would like to get more involved in Tor! I have done
> a bit of programming in C and have a pretty substantial crypto
> background. I'm not in the Google summer of code but would really like
> to complete this project :D (see screenshot) Please let me know if
> anyone is currently working on this and if Nick, David, or anyone would
> like to give me some advice and be someone I can bounce ideas off of :-)
>
> Thanks and I hope to hear back soon!
>
> - Cory
>
> P.S. I have cloned the repo and have been looking through relay.* and
> cpuworker.* files. I just would like to speak with someone before I jump
> in :p
Hi Cory,
Multithreaded crypto is a *very* popular request on the tor-relays mailing list, as many relays have multiple cores, and significant network bandwidth. Tor limits the number of relays per IPv4 address to 2 to mitigate sybil attacks, so the best way for relay operators to increase their throughput is multithreaded crypto.
I'm not familiar with the specifics of tor's multithreading implementation, but please contact me if you need assistance setting up a local test network. I've made some recent changes to the chutney test tool which allow throughput to be measured. These changes work on Linux and OS X, but they're still under review, and the git branch isn't as organised as I would like.
teor
teor2345 at gmail dot com
pgp 0xABFED1AC
https://gist.github.com/teor2345/d033b8ce0a99adbc89c5
teor at blah dot im
OTR D5BE4EC2 255D7585 F3874930 DB130265 7C9EBBC7
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