[tor-dev] tor-dev Digest, Vol 53, Issue 27

Mon Jun 29 14:49:29 UTC 2015

Thanks teor, that'd be awesome! I've been able to resolve most of the
dependencies easily until the file "readpassphrase.h" (and thus .o) was
shown to be missing during make. Are you still using the git branch? I'll
definitely take a look into the throughput tool once I get set up :D

- Cory

On Mon, Jun 29, 2015 at 5:00 AM, <tor-dev-request at lists.torproject.org>
wrote:

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> Today's Topics:
>
>    1. List of projects (Cory Pruce)
>    2. Re: List of projects (Nick Mathewson)
>    3. Re: List of projects (Cory Pruce)
>    4. Re: Multithreaded crypto on Tor (teor)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Sun, 28 Jun 2015 11:12:45 -0700
> From: Cory Pruce <corypruce at gmail.com>
> To: dgoulet at torproject.org, nickm at torproject.org,
>         meejah at torproject.org,  atagar at torproject.org,
>         tor-dev at lists.torproject.org
> Subject: [tor-dev] List of projects
> Message-ID: <5590391D.6020900 at gmail.com>
> 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
> -----BEGIN PGP SIGNATURE-----
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> =Ebps
> -----END PGP SIGNATURE-----
>
>
>
>
> ------------------------------
>
> Message: 2
> Date: Sun, 28 Jun 2015 17:35:47 -0400
> From: Nick Mathewson <nickm at torproject.org>
> To: Cory Pruce <corypruce at gmail.com>
> Cc: Damian Johnson <atagar at torproject.org>, meejah at torproject.org,
>         tor-dev at lists.torproject.org, David Goulet <dgoulet at torproject.org
> >
> Subject: Re: [tor-dev] List of projects
> Message-ID:
>         <CAKDKvuzxLDGjokxZK26_X=_
> H9-J_wMdOYrOakyGv2cs6kdPSig at mail.gmail.com>
> Content-Type: text/plain; charset=UTF-8
>
> On Sun, Jun 28, 2015 at 2:12 PM, Cory Pruce <corypruce at gmail.com> 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!"  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 at gmail.com>
> To: Nick Mathewson <nickm at torproject.org>
> Cc: atagar at torproject.org, meejah at torproject.org, David Goulet
>         <dgoulet at torproject.org>, tor-dev at lists.torproject.org
> Subject: Re: [tor-dev] List of projects
> Message-ID:
>         <
> CANOqyr7fzF2ADbmYof+Pufd3DGgFwVNqmLkZzvVSKecz_7QywQ at mail.gmail.com>
> Content-Type: text/plain; charset="utf-8"
>
> Awesome, no worries. Thanks!
> On Jun 28, 2015 2:35 PM, "Nick Mathewson" <nickm at torproject.org> wrote:
>
> > On Sun, Jun 28, 2015 at 2:12 PM, Cory Pruce <corypruce at gmail.com> 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!"  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 at gmail.com>
> To: tor-dev at lists.torproject.org
> Subject: Re: [tor-dev] Multithreaded crypto on Tor
> Message-ID: <703C2B27-DD87-422B-B2F1-12CC589E3A28 at gmail.com>
> Content-Type: text/plain; charset="us-ascii"
>
>
> > Date: Sat, 27 Jun 2015 20:44:02 -0700
> > From: Cory Pruce <corypruce at gmail.com>
> > To: tor-dev at lists.torproject.org
> > Subject: [tor-dev] Multithreaded crypto on Tor
> > Message-ID: <558F6D82.2010400 at gmail.com>
> > 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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> End of tor-dev Digest, Vol 53, Issue 27
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