July 2013 - tor-commits - lists.torproject.org

[translation/vidalia_alpha_completed] Update translations for vidalia_alpha_completed
by translation＠torproject.org 14 Jul '13

14 Jul '13

commit 68e7f146fe7127d0eaf23dbc672ff8aa0f9ca1b9 Author: Translation commit bot <translation(a)torproject.org> Date: Sun Jul 14 12:45:33 2013 +0000 Update translations for vidalia_alpha_completed --- hr_HR/vidalia_hr_HR.po | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/hr_HR/vidalia_hr_HR.po b/hr_HR/vidalia_hr_HR.po index 1106e78..ea7020c 100644 --- a/hr_HR/vidalia_hr_HR.po +++ b/hr_HR/vidalia_hr_HR.po @@ -8,7 +8,7 @@ msgstr "" "Project-Id-Version: The Tor Project\n" "Report-Msgid-Bugs-To: https://trac.torproject.org/projects/tor\n" "POT-Creation-Date: 2012-03-21 17:46+0000\n" -"PO-Revision-Date: 2013-06-25 00:11+0000\n" +"PO-Revision-Date: 2013-07-14 12:20+0000\n" "Last-Translator: dlb031 <abuljan031(a)gmail.com>\n" "Language-Team: Croatian (Croatia) (http://www.transifex.com/projects/p/torproject/language/hr_HR/)\n" "MIME-Version: 1.0\n"

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[translation/vidalia_alpha] Update translations for vidalia_alpha
by translation＠torproject.org 14 Jul '13

14 Jul '13

commit fd63e7a7b03f40f3d8712eaf954f2d683a078d89 Author: Translation commit bot <translation(a)torproject.org> Date: Sun Jul 14 12:45:30 2013 +0000 Update translations for vidalia_alpha --- hr_HR/vidalia_hr_HR.po | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/hr_HR/vidalia_hr_HR.po b/hr_HR/vidalia_hr_HR.po index 1106e78..ea7020c 100644 --- a/hr_HR/vidalia_hr_HR.po +++ b/hr_HR/vidalia_hr_HR.po @@ -8,7 +8,7 @@ msgstr "" "Project-Id-Version: The Tor Project\n" "Report-Msgid-Bugs-To: https://trac.torproject.org/projects/tor\n" "POT-Creation-Date: 2012-03-21 17:46+0000\n" -"PO-Revision-Date: 2013-06-25 00:11+0000\n" +"PO-Revision-Date: 2013-07-14 12:20+0000\n" "Last-Translator: dlb031 <abuljan031(a)gmail.com>\n" "Language-Team: Croatian (Croatia) (http://www.transifex.com/projects/p/torproject/language/hr_HR/)\n" "MIME-Version: 1.0\n"

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[translation/vidalia_completed] Update translations for vidalia_completed
by translation＠torproject.org 14 Jul '13

14 Jul '13

commit 47d2b92cb3a3c498488bc213a4d678cc6ee56929 Author: Translation commit bot <translation(a)torproject.org> Date: Sun Jul 14 12:45:27 2013 +0000 Update translations for vidalia_completed --- hr_HR/vidalia_hr_HR.po | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/hr_HR/vidalia_hr_HR.po b/hr_HR/vidalia_hr_HR.po index 4ac7de3..f8a5956 100644 --- a/hr_HR/vidalia_hr_HR.po +++ b/hr_HR/vidalia_hr_HR.po @@ -7,7 +7,7 @@ msgstr "" "Project-Id-Version: The Tor Project\n" "Report-Msgid-Bugs-To: https://trac.torproject.org/projects/tor\n" "POT-Creation-Date: 2012-03-21 17:52+0000\n" -"PO-Revision-Date: 2013-06-25 00:11+0000\n" +"PO-Revision-Date: 2013-07-14 12:20+0000\n" "Last-Translator: runasand <runa.sandvik(a)gmail.com>\n" "Language-Team: Croatian (Croatia) (http://www.transifex.com/projects/p/torproject/language/hr_HR/)\n" "MIME-Version: 1.0\n"

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[translation/vidalia] Update translations for vidalia
by translation＠torproject.org 14 Jul '13

14 Jul '13

commit fb741c43b7f1af45cd8ac34221f06d5495768fd9 Author: Translation commit bot <translation(a)torproject.org> Date: Sun Jul 14 12:45:22 2013 +0000 Update translations for vidalia --- hr_HR/vidalia_hr_HR.po | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/hr_HR/vidalia_hr_HR.po b/hr_HR/vidalia_hr_HR.po index 4ac7de3..f8a5956 100644 --- a/hr_HR/vidalia_hr_HR.po +++ b/hr_HR/vidalia_hr_HR.po @@ -7,7 +7,7 @@ msgstr "" "Project-Id-Version: The Tor Project\n" "Report-Msgid-Bugs-To: https://trac.torproject.org/projects/tor\n" "POT-Creation-Date: 2012-03-21 17:52+0000\n" -"PO-Revision-Date: 2013-06-25 00:11+0000\n" +"PO-Revision-Date: 2013-07-14 12:20+0000\n" "Last-Translator: runasand <runa.sandvik(a)gmail.com>\n" "Language-Team: Croatian (Croatia) (http://www.transifex.com/projects/p/torproject/language/hr_HR/)\n" "MIME-Version: 1.0\n"

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[translation/https_everywhere] Update translations for https_everywhere
by translation＠torproject.org 14 Jul '13

14 Jul '13

commit abf645028ed03e269016cf38d8a042186d67c307 Author: Translation commit bot <translation(a)torproject.org> Date: Sun Jul 14 12:16:16 2013 +0000 Update translations for https_everywhere --- hr_HR/https-everywhere.dtd | 38 +++++++++++++++++++------------------- 1 file changed, 19 insertions(+), 19 deletions(-) diff --git a/hr_HR/https-everywhere.dtd b/hr_HR/https-everywhere.dtd index 87b5cfb..921c618 100644 --- a/hr_HR/https-everywhere.dtd +++ b/hr_HR/https-everywhere.dtd @@ -1,27 +1,27 @@ -<!ENTITY https-everywhere.about.title ""> -<!ENTITY https-everywhere.about.ext_name ""> -<!ENTITY https-everywhere.about.ext_description ""> +<!ENTITY https-everywhere.about.title "O proširenju HTTPS Svuda"> +<!ENTITY https-everywhere.about.ext_name "HTTPS Svuda"> +<!ENTITY https-everywhere.about.ext_description "Enkriptirajte web! Automatski koristite HTTPS sigurnost na mnogim web sjedištima."> <!ENTITY https-everywhere.about.version "Inačica"> -<!ENTITY https-everywhere.about.created_by ""> -<!ENTITY https-everywhere.about.librarians ""> -<!ENTITY https-everywhere.about.thanks ""> -<!ENTITY https-everywhere.about.contribute ""> -<!ENTITY https-everywhere.about.donate_tor ""> -<!ENTITY https-everywhere.about.tor_lang_code ""> -<!ENTITY https-everywhere.about.donate_eff ""> +<!ENTITY https-everywhere.about.created_by "Autori"> +<!ENTITY https-everywhere.about.librarians "Autori biblioteke skupova pravila"> +<!ENTITY https-everywhere.about.thanks "Zahvala"> +<!ENTITY https-everywhere.about.contribute "Ako Vam se sviđa HTTPS Svuda, mogli biste razmotriti"> +<!ENTITY https-everywhere.about.donate_tor "doniranje Toru"> +<!ENTITY https-everywhere.about.tor_lang_code "en"> +<!ENTITY https-everywhere.about.donate_eff "doniranje EFF-u"> -<!ENTITY https-everywhere.menu.about ""> -<!ENTITY https-everywhere.menu.observatory "Osobitosti SSL Opservatorija"> +<!ENTITY https-everywhere.menu.about "O proširenju HTTPS Svuda"> +<!ENTITY https-everywhere.menu.observatory " Podešavanje SSL Opservatorija"> <!ENTITY https-everywhere.menu.globalEnable "Omogući HTTPS Svuda"> <!ENTITY https-everywhere.menu.globalDisable "Onemogući HTTPS Svuda"> -<!ENTITY https-everywhere.prefs.title ""> -<!ENTITY https-everywhere.prefs.enable_all ""> -<!ENTITY https-everywhere.prefs.disable_all ""> -<!ENTITY https-everywhere.prefs.reset_defaults ""> -<!ENTITY https-everywhere.prefs.search "Pretraga"> -<!ENTITY https-everywhere.prefs.site ""> -<!ENTITY https-everywhere.prefs.notes ""> +<!ENTITY https-everywhere.prefs.title "Podešavanje HTTPS Svuda"> +<!ENTITY https-everywhere.prefs.enable_all "Omogući sve"> +<!ENTITY https-everywhere.prefs.disable_all "Onemogući sve"> +<!ENTITY https-everywhere.prefs.reset_defaults "Vrati na početno"> +<!ENTITY https-everywhere.prefs.search "Pretraživanje"> +<!ENTITY https-everywhere.prefs.site "Sjedište"> +<!ENTITY https-everywhere.prefs.notes "Napomene"> <!ENTITY https-everywhere.prefs.list_caption ""> <!ENTITY https-everywhere.prefs.enabled "Omogućeno"> <!ENTITY https-everywhere.prefs.ruleset_howto "">

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[onionoo/master] Rephrase consensus_weight field comment.
by karsten＠torproject.org 14 Jul '13

14 Jul '13

commit 8b82e09c439ebe720a3f6440c92baec8bd5da7a6 Author: Karsten Loesing <karsten.loesing(a)gmx.net> Date: Sun Jul 14 11:00:45 2013 +0200 Rephrase consensus_weight field comment. --- web/index.html | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/web/index.html b/web/index.html index f68763f..a3bcae8 100755 --- a/web/index.html +++ b/web/index.html @@ -192,8 +192,8 @@ relay's first onion-routing IP address. Optional field. Omitted if the relay IP address could not be found in the AS database.</li> -<li>"consensus_weight": Bandwidth weight assigned to this relay by -the directory authorities. +<li>"consensus_weight": Weight assigned to this relay by the +directory authorities that clients use in their path selection algorithm. The unit is arbitrary; currently it's kilobytes per second, but that might change in the future. Required field.</li>

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[tor/master] cosmetic cleanups
by arma＠torproject.org 14 Jul '13

14 Jul '13

commit 6848e29307b9bfbabf06df0aaf56062ba4638ff6 Author: Roger Dingledine <arma(a)torproject.org> Date: Sun Jul 14 02:49:34 2013 -0400 cosmetic cleanups --- src/common/include.am | 2 +- src/common/sandbox.c | 3 ++- src/or/or.h | 2 +- 3 files changed, 4 insertions(+), 3 deletions(-) diff --git a/src/common/include.am b/src/common/include.am index c3ccf96..e700bd5 100644 --- a/src/common/include.am +++ b/src/common/include.am @@ -49,7 +49,7 @@ src_common_libor_a_SOURCES = \ src/common/procmon.c \ src/common/util.c \ src/common/util_codedigest.c \ - src/common/sandbox.c \ + src/common/sandbox.c \ $(libor_extra_source) src_common_libor_crypto_a_SOURCES = \ diff --git a/src/common/sandbox.c b/src/common/sandbox.c index 48fc666..68be89e 100644 --- a/src/common/sandbox.c +++ b/src/common/sandbox.c @@ -316,7 +316,7 @@ tor_global_sandbox(void) #endif } -/** Use fd to log non-survivable sandbox violations */ +/** Use fd to log non-survivable sandbox violations. */ void sandbox_set_debugging_fd(int fd) { @@ -326,3 +326,4 @@ sandbox_set_debugging_fd(int fd) (void)fd; #endif } + diff --git a/src/or/or.h b/src/or/or.h index 5849c62..568958d 100644 --- a/src/or/or.h +++ b/src/or/or.h @@ -3759,7 +3759,7 @@ typedef struct { SAFELOG_SCRUB_ALL, SAFELOG_SCRUB_RELAY, SAFELOG_SCRUB_NONE } SafeLogging_; - int Sandbox; /** < Boolean: should sandboxing be enabled? */ + int Sandbox; /**< Boolean: should sandboxing be enabled? */ int SafeSocks; /**< Boolean: should we outright refuse application * connections that use socks4 or socks5-with-local-dns? */ #define LOG_PROTOCOL_WARN (get_options()->ProtocolWarnings ? \

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r26255: {website} fix a grammar issue that's been niggling me (website/trunk/about/en)
by Roger Dingledine 14 Jul '13

14 Jul '13

Author: arma Date: 2013-07-14 05:24:52 +0000 (Sun, 14 Jul 2013) New Revision: 26255 Modified: website/trunk/about/en/jobs-lead-automation.wml Log: fix a grammar issue that's been niggling me Modified: website/trunk/about/en/jobs-lead-automation.wml =================================================================== --- website/trunk/about/en/jobs-lead-automation.wml 2013-07-13 22:14:11 UTC (rev 26254) +++ website/trunk/about/en/jobs-lead-automation.wml 2013-07-14 05:24:52 UTC (rev 26255) @@ -14,7 +14,7 @@ The Tor Project seeks to deploy nightly builds and continuous integration for as many of its key software components and platform combinations as possible. -Your job would be build and deploy the initial functional versions of a wide +Your job would be to build and deploy the initial functional versions of a wide range of testing frameworks and continuous integration systems. This is a contract position. Candidates are expected to be capable of taking the

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[tor/master] put sandbox.h in the tarball, so the tarball builds
by arma＠torproject.org 14 Jul '13

14 Jul '13

commit de7cdc0d94075f212c3f51d8ec7ae4e05cc2ba7c Author: Roger Dingledine <arma(a)torproject.org> Date: Sat Jul 13 20:31:18 2013 -0400 put sandbox.h in the tarball, so the tarball builds --- src/common/include.am | 1 + 1 file changed, 1 insertion(+) diff --git a/src/common/include.am b/src/common/include.am index 8c32a21..c3ccf96 100644 --- a/src/common/include.am +++ b/src/common/include.am @@ -75,6 +75,7 @@ COMMONHEADERS = \ src/common/memarea.h \ src/common/mempool.h \ src/common/procmon.h \ + src/common/sandbox.h \ src/common/torgzip.h \ src/common/torint.h \ src/common/torlog.h \

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r26254: {} add lunar's LSM presentation in various formats (in projects/presentations: . images)
by Andrew Lewman 14 Jul '13

14 Jul '13

Author: phobos Date: 2013-07-13 22:14:11 +0000 (Sat, 13 Jul 2013) New Revision: 26254 Added: projects/presentations/2013-07-08-LSM2013-header.tex projects/presentations/2013-07-08-LSM2013.GNUMakefile projects/presentations/2013-07-08-LSM2013.mdwn projects/presentations/2013-07-08-LSM2013.pdf projects/presentations/images/2012-03-19-IEEE-Boston-Presentation.svg projects/presentations/images/4478306185_72feb04b72_o.jpg projects/presentations/images/anonymity-different-users.svg projects/presentations/images/obfsproxy-logo.svg projects/presentations/images/onion-routing-crash-course-1.svg projects/presentations/images/onion-routing-crash-course-2.svg projects/presentations/images/onion-routing-crash-course-3.svg projects/presentations/images/onion-routing-crash-course-4.svg projects/presentations/images/onion-routing-crash-course-5.svg projects/presentations/images/onion-routing-crash-course-6.svg projects/presentations/images/onion-routing-crash-course-7.svg projects/presentations/images/onion-routing-crash-course-8.svg projects/presentations/images/orbot_orweb.png projects/presentations/images/projects-word-cloud-tor-only.svg projects/presentations/images/projects-word-cloud.svg projects/presentations/images/tails.png projects/presentations/images/tbb.png projects/presentations/images/threat-model.svg projects/presentations/images/tor-bubble-graph.svg projects/presentations/images/tor-consensus-vis-node-circle.svg projects/presentations/images/tor-consensus-vis-node-onion.svg projects/presentations/images/tor-logo-root-design.svg Log: add lunar's LSM presentation in various formats Added: projects/presentations/2013-07-08-LSM2013-header.tex =================================================================== --- projects/presentations/2013-07-08-LSM2013-header.tex (rev 0) +++ projects/presentations/2013-07-08-LSM2013-header.tex 2013-07-13 22:14:11 UTC (rev 26254) @@ -0,0 +1,53 @@ +\usepackage{eso-pic} + +\renewcommand\sfdefault{phv} +\renewcommand\familydefault{\sfdefault} +\usetheme{default} +\usepackage{color} +\useoutertheme{default} +\usepackage{texnansi} +\usepackage{marvosym} +%\definecolor{bottomcolour}{rgb}{0.32,0.3,0.38} +%\definecolor{middlecolour}{rgb}{0.08,0.08,0.16} +\definecolor{torgreen}{rgb}{0.8,1,0.16} +\setbeamerfont{title}{size=\Huge} +\setbeamercolor{structure}{fg=torgreen} +\setbeamertemplate{frametitle}[default]%[center] +\setbeamercolor{normal text}{bg=black, fg=white} +%\setbeamertemplate{background canvas}[vertical shading][bottom=bottomcolour, middle=middlecolour, top=black] + +\setbeamertemplate{background canvas}{% + \color{black!100}\rule{\paperwidth}{\paperheight}% +} + +\setbeamertemplate{items}[circle] +\setbeamerfont{frametitle}{size=\huge} +\setbeamertemplate{navigation symbols}{} %no nav symbols + +\setbeamertemplate{title page} +{ + \raisebox{\dimexpr\ht\strutbox-\height\relax}{\includegraphics[keepaspectratio,width=.3\textwidth]{images/tor-logo-root-design}}\hfill + \begin{minipage}[t]{.69\textwidth} + \begin{center} + \begin{beamercolorbox}[sep=8pt,center]{title} + \usebeamerfont{title}\inserttitle\par + \end{beamercolorbox} + \ifx\insertsubtitle\@empty + \else + \vskip2ex + \usebeamerfont{subtitle}\insertsubtitle + \fi + \ifx\insertauthor\@empty + \else + \vskip2ex + \usebeamerfont{author}\insertauthor + \fi + \ifx\insertdate\@empty + \else + \vskip2ex + \usebeamerfont{date}\insertdate% + \fi + \end{center} + \vfill + \end{minipage} +} Property changes on: projects/presentations/2013-07-08-LSM2013-header.tex ___________________________________________________________________ Added: svn:mime-type + text/x-tex Added: projects/presentations/2013-07-08-LSM2013.GNUMakefile =================================================================== --- projects/presentations/2013-07-08-LSM2013.GNUMakefile (rev 0) +++ projects/presentations/2013-07-08-LSM2013.GNUMakefile 2013-07-13 22:14:11 UTC (rev 26254) @@ -0,0 +1,17 @@ +.PHONY: all source + +PRESENTATION = 2013-07-08-LSM2013 + +all: $(PRESENTATION).pdf + +source: $(PRESENTATION)-src.tar.gz + +IMGS = $(shell echo $$(sed -n -e 's/^[^%]*\\includegraphics$[^{]*$\?{$[^}]*$}.*$$/\2.*/p' $(PRESENTATION).mdwn | sed -e 's/\.svg$$/\.pdf$$/' | sort -u)) + +$(PRESENTATION).pdf: $(PRESENTATION).mdwn $(PRESENTATION)-header.tex $(IMGS) + pandoc -t beamer \ + --include-in-header=$(PRESENTATION)-header.tex \ + --latex-engine=xelatex -o $@ $< + +%.pdf: %.svg + inkscape --export-pdf=$@ --export-dpi=600 $< Added: projects/presentations/2013-07-08-LSM2013.mdwn =================================================================== --- projects/presentations/2013-07-08-LSM2013.mdwn (rev 0) +++ projects/presentations/2013-07-08-LSM2013.mdwn 2013-07-13 22:14:11 UTC (rev 26254) @@ -0,0 +1,421 @@ +% Anonymity and censorship circumvention with Tor +% Lunar \<lunar(a)torproject.org\> +% July 8th, 2013 — LSM2013, Brussels + +---- + +\begin{center} +\begin{beamercolorbox}[sep=8pt,center]{title} + \usebeamerfont{title}What is this Tor thing? +\end{beamercolorbox} +\end{center} + +---- + +# Tor helps people + +\begin{center} +Estimated 500,000 daily Tor users + +\includegraphics[keepaspectratio,width=\textwidth,height=.6\textheight]{images/huge-crowd} +\end{center} + +\begin{flushright} +{\small cf. \url{https://metrics.torproject.org/users.html}} +\end{flushright} + +# Different sorts of people + +\begin{center} +Anonymity serves different interests +for different user groups + +\includegraphics[keepaspectratio,width=\textwidth]{images/anonymity-different-users} +\end{center} + +\begin{flushright} +\textit{Anonymity loves company...} +\end{flushright} + +# What's Tor? + + * `tor` is free software + * Running the Tor anonymity network + * Supported by *The Tor Project, Inc.*, a 501(c)(3) non-profit US organization + +---- + +\begin{center} +\begin{beamercolorbox}[sep=8pt,center]{title} + \usebeamerfont{title}Onion routing +\end{beamercolorbox} +\end{center} + +---- + +# Ideas behind onion routing + +\begin{center} +{\Large +The simplest design use a single\\ +relay to hide connections +} + +\includegraphics[keepaspectratio,width=\textwidth]{images/onion-routing-crash-course-1} + +(example: some commercial proxy providers) +\end{center} + +# Ideas behind onion routing + +\begin{center} +{\Large +But a single relay (or eavesdropper!) +is a single point of failure +} + +\includegraphics[keepaspectratio,width=\textwidth]{images/onion-routing-crash-course-2} +\end{center} + +# Ideas behind onion routing + +\begin{center} +{\Large +... or a single point of bypass +}\\ +(timing analysis allows to match sources and destinations) + +\includegraphics[keepaspectratio,width=\textwidth]{images/onion-routing-crash-course-3} +\end{center} + +# Ideas behind onion routing + +\begin{center} +{\Large +So, add multiple relays so that no single one can betray Alice +} + +\includegraphics[keepaspectratio,width=\textwidth]{images/onion-routing-crash-course-4} +\end{center} + +# Ideas behind onion routing + +\begin{center} +{\Large +A corrupt first hop can tell that Alice is talking, but not to whom +} + +\includegraphics[keepaspectratio,width=\textwidth]{images/onion-routing-crash-course-5} +\end{center} + +# Ideas behind onion routing + +\begin{center} +{\Large +A corrupt final hop can tell that somebody is talking to Bob, but not who +} + +\includegraphics[keepaspectratio,width=\textwidth]{images/onion-routing-crash-course-6} +\end{center} + +# Ideas behind onion routing + +\begin{center} +{\Large +Alice makes a session key with R1... and then tunnels to R2... and to R3 +} +\includegraphics[keepaspectratio,width=\textwidth]{images/onion-routing-crash-course-7} +\end{center} + +---- + +\begin{center} +\begin{beamercolorbox}[sep=8pt,center]{title} + \usebeamerfont{title}The Tor network +\end{beamercolorbox} +\end{center} + +---- + +# The Tor network + + * nearly 4000 relays + * around 3600 volunteer operators + * current total measured bandwidth 35 Gb/s + * diversity issue: a mere 40 relays see 80% of the total traffic + +# The Tor network + +\begin{center} +\includegraphics[keepaspectratio,width=\textwidth, height=.8\textheight]{images/tor-bubble-graph} +\end{center} + +---- + +\begin{center} +\begin{beamercolorbox}[sep=8pt,center]{title} + \usebeamerfont{title}Using Tor +\end{beamercolorbox} +\end{center} + +---- + +# Using Tor: the Tor Browser Bundle + +\begin{center} +\includegraphics[keepaspectratio,width=\textwidth, height=.8\textheight]{images/tbb} +\end{center} + +# Using Tor: the Tails live system + +\begin{center} +\includegraphics[keepaspectratio,width=\textwidth, height=.8\textheight]{images/tails} +\end{center} + +# Using Tor: Orbot and Orweb + +\begin{center} +\includegraphics[keepaspectratio,width=\textwidth, height=.8\textheight]{images/orbot_orweb} +\end{center} + +---- + +\begin{center} +\begin{beamercolorbox}[sep=8pt,center]{title} + \usebeamerfont{title}Circumventing censorship +\end{beamercolorbox} +\end{center} + +---- + +# Tor helps circumventing censorship + +\begin{center} +\includegraphics[keepaspectratio,width=\textwidth]{images/onion-routing-crash-course-8} + +{\Large +Tor routes around censorship +} +\end{center} + +# Censors do not want Tor + + * The list of Tor relays is public + * Upside: server administrators can block exit nodes if they really need to + * Downside: allow blocking access to the Tor network + +Direct Tor connections are currently blocked in China, Iran, Kazakhstan, +Syria, the Philippines, ... + +# Bridges + + * Limited kind of Tor relay + * Private entry point in the Tor network + * Different pool of bridge addresses + * Some bridges are completely private + +\begin{flushright} +{\small +But the arm race goes on... +} +\end{flushright} + +# Censors really do not want Tor + + * Tor traffic is recognizable + * Deep Packet Inspection became pervasive + +# Obfuscated bridges + + * `obfsproxy` makes traffic to a bridge looks like random noise + * *Pluggable* transport framework to enable research + +\begin{center} +\includegraphics[keepaspectratio,width=0.3\textwidth]{images/obfsproxy-logo} +\end{center} + +\begin{flushright} +{\small +But the arm race goes on... +} +\end{flushright} + +# Further developments + +Shared secret against active probing + +New obfuscation protocols: + + * Flashproxy + * Scramblesuit + * Format Transforming Encryption + * More? + +---- + +\begin{center} +\begin{beamercolorbox}[sep=8pt,center]{title} + \usebeamerfont{title}Tor is not magic +\end{beamercolorbox} +\end{center} + +---- + +# Tor does not solve all problems + +\begin{center} +Threat model:\\ +what can the attacker do? + +\includegraphics[keepaspectratio,width=\textwidth]{images/threat-model} +\end{center} + +# Case study + +> * I present you Wendy. +> * Wendy works at ACME, Corp. +> * She discovers that ACME is releasing toxic waste in the environment. +> * **She wants the word out**. + + + +# Case study + +\begin{center} +\includegraphics[keepaspectratio,width=\textwidth,height=0.8\textheight]{images/4478306185_72feb04b72_o} +\end{center} + +# Case study + +How to **hide who**'s blowing the whistle? + + + +# Case study + +In order to **publish pictures and other documents** about the issue: + + * Create a blog on a free service. + * Always connected using Tor. + +Pros: provider is unable to tell Wendy's location + +Cons: provider might shut down the blog in case of troubles + +# Case study + +Should Wendy work on her blog at **work**? + + * Tor traffic might stand out + * `obfsproxyssh` could do the trick, but not integrated yet + +# Case study + +Should Wendy work on her blog at **home**? + +Watch out for traffic confirmation attacks! + +# Case study + + * Few people can possibly know about this + * Tor is a low-latency network + * Monitoring Wi-Fi requires nothing more than being at range + * Packet flow can match the pattern of publishing a blog post + +# Case study + +Make traffic confirmation attacks harder: + + * Blur the local traffic by participating in torrents + * Blur the remote traffic by uploading unrelated files to the + blog provider + * Set a publication date so the blog post does not appear immediately after + +# Case study + +Another option would be to get a journalist to write about the story. + +But we need to train journalists in secure communications! + +# Case study + +What if her computer gets **searched** or **attacked by a malware** planted by +the company? + +Use Tails: + + * No traces on her computers + * Live systems are a lot harder to compromise + +# Case study + +Yet another pitfall: **metadata**. + +Digital cameras embed date, time, serial numbers and other information in +picture file. + +Tails ships with the *Metadata Anonymization Toolkit* which can easily +remove them. + +# Case study + +Summary of a possible solution: + + * Always use Tails + * Strip metadata using MAT + * Publish on a blog on a free platform + * Articles can be prepared at home + * The blog takes care of publishing the article at a later time + +Wendy should try to imitate someone else writing style to resist stylometry +analysis. + +---- + +\begin{center} +\begin{beamercolorbox}[sep=8pt,center]{title} + \usebeamerfont{title}Want to help? +\end{beamercolorbox} +\end{center} + +---- + +# The Tor ecosystem + +\begin{center} +\includegraphics[keepaspectratio,width=\textwidth,height=0.8\textheight]{images/projects-word-cloud-tor-only} +\end{center} + +# The Tor ecosystem + +\begin{center} +\includegraphics[keepaspectratio,width=\textwidth,height=0.8\textheight]{images/projects-word-cloud} +\end{center} + +# Help is more than welcome! + + * Support + * Translations + * Development (C, Python, C++, JavaScript, Java, ...) + * Research + * Testing + * Documentation + * Outreach + * Financial support + +# Questions? + +\begin{center} +\includegraphics[keepaspectratio,width=\textwidth, height=.6\textheight]{images/tor-logo-root-design} +\end{center} + + * English support: \texttt{help(a)rt.torproject.org} + * French support: \texttt{help-fr(a)rt.torproject.org} + * Press requests: \texttt{execdir(a)toproject.org} Added: projects/presentations/2013-07-08-LSM2013.pdf =================================================================== (Binary files differ) Property changes on: projects/presentations/2013-07-08-LSM2013.pdf ___________________________________________________________________ Added: svn:mime-type + application/octet-stream Added: projects/presentations/images/2012-03-19-IEEE-Boston-Presentation.svg =================================================================== (Binary files differ) Property changes on: projects/presentations/images/2012-03-19-IEEE-Boston-Presentation.svg ___________________________________________________________________ Added: svn:mime-type + image/svg+xml Added: projects/presentations/images/4478306185_72feb04b72_o.jpg =================================================================== (Binary files differ) 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