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DT		 1<!DOCTYPE html>
2<html>
3 <head>
4 <meta charset="utf-8">
5
6 <title>Email Self-Defense - a guide to fighting surveillance with GnuPG encryption</title>
7 <meta name="keywords" content="GnuPG, GPG, openpgp, surveillance, privacy, email, Enigmail" />
8 <meta name="description" content="Email surveillance violates our fundamental rights and makes free speech risky. This guide will teach you email self-defense in 30 minutes with GnuPG.">
9
10 <meta name="viewport" content="width=device-width, initial-scale=1">
11 <link rel="stylesheet" href="//static.fsf.org/nosvn/enc-dev0/css/main.css">
12 <link rel="shortcut icon" href="//static.fsf.org/nosvn/enc-dev0/img/favicon.ico" />
13
14 </head>
15 <body>
16<!--
17 <nav class="nav">
18 <div>
19 <ul class="lang">
20 <li class="help"><a href="http://libreplanet.org/wiki/GPG_guide">Translate this guide!</a></li>
21 </ul>
22 </div>
23 </nav>
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25
26<!-- ~~~~~~~~~ GnuPG Header and introduction text ~~~~~~~~~ -->
27<!-- ~~~~~~~~~ Revision as of 18:53, 1 June 2014 by Zakkai ~~~~~~~~~ -->
28 <header class="row" id="header">
29
30 <!--<div class="highlight" style="background: red;">
31 <h3 style="text-align: center;"><strong style="color: white;">Website Under Construction</strong></h3>
32 </div>-->
33
34 <div>
35 <h1>Email Self-Defense</h1>
36 <ul class="os">
37 <li><a href="index.html">GNU/Linux</a></li>
38 <li><a href="mac.html">Mac OS</a></li>
39 <li><a href="windows.html" class="current">Windows</a></li>
40 <li class="share"><a href="https://fsf.org/share?u=https://u.fsf.org/zb&amp;t=Email encryption for everyone via %40fsf">#EmailSelfDefense</a></li>
41 </ul>
42
43 <!-- ~~~~~~~~~ FSF Introduction ~~~~~~~~~ -->
44 <div id="fsf-intro">
45 <h3><a href="http://u.fsf.org/ys"><img alt="Free Software Foundation" src="//static.fsf.org/nosvn/enc-dev0/img/fsf-logo.png"></a></h3>
46 <span style="font-size:125%"><p>We fight for computer user's rights, and promote the development of free (as in freedom) software. Resisting bulk surveillance is very important to us.</p><p><strong>We want to heavily promote tools like this in-person and online, to help as many people as possible take the first step towards using free software to protect their privacy. Can you make a donation or become a member to help us achieve this goal?</strong></p></span>
47
48 <p><a href="https://crm.fsf.org/civicrm/contribute/transact?reset=1&id=14&pk_campaign=esd&pk_kwd=guide_donate"><img alt="Donate" src="//static.fsf.org/nosvn/enc-dev0/img/donate.en.png"></a> <a href="https://u.fsf.org/yr"><img alt="Join now" src="//static.fsf.org/nosvn/enc-dev0/img/join.en.png"></a></p>
49
50 </div><!-- End #fsf-intro -->
51
52 <!-- ~~~~~~~~~ Guide Introduction ~~~~~~~~~ -->
53 <div class="intro">
54 <p>
55 <a id="infographic" href="infographic.html"><img src="//static.fsf.org/nosvn/enc-dev0/img/infographic-button.png" alt="View &amp; share our infographic &rarr;" /></a>
56 Bulk surveillance violates our fundamental rights and makes free speech risky. This guide will teach you a basic surveillance self-defense skill: email encryption. Once you've finished, you'll be able to send and receive emails that are coded to make sure that a surveillance agent or thief that intercepts your email can't read it. All you need is a computer with an Internet connection, an email account and about half an hour.</p>
57
58<p>Even if you have nothing to hide, using encryption helps protect the privacy of people you communicate with, and makes life difficult for bulk surveillance systems. If you do have something important to hide, you're in good company; these are the same tools that Edward Snowden used to share his famous secrets about the NSA.</p>
59
60<p>In addition to using encryption, standing up to surveillance requires fighting politically for a <a href="http://gnu.org/philosophy/surveillance-vs-democracy.html">reduction in the amount of data collected on us</a>, but the essential first step is to protect yourself and make surveillance of your communication as difficult as possible. Let's get started!</p>
61
62 </div>
63 </div>
64 </header><!-- End #header -->
65
66<!-- ~~~~~~~~~ Section 1: Get the pieces ~~~~~~~~~ -->
67 <section class="row" id="section1">
68 <div>
69 <!-- ~~~~~~~~~ section introduction: interspersed text ~~~~~~~~~ -->
70 <div class="section-intro">
71 <h2><em>#1</em> Get the pieces</h2>
72 <p class="notes">This guide relies on software which is freely licensed; it's completely transparent and anyone can copy it or make their own version. This makes it safer from surveillance than proprietary software (like Windows). To defend your freedom as well as protect yourself from surveillance, we recommend you switch to a free software operating system like GNU/Linux. Learn more about free software at <a href="https://u.fsf.org/ys">fsf.org</a>.</p>
73 <p>To get started, you'll need a desktop email program installed on your computer. This guide works with free software versions of the Thunderbird email program, and with Thunderbird itself. Email programs are another way to access the same email accounts you can access in a browser (like GMail), but provide extra features.</p>
74 <p>If you are already have one of these, you can skip to <a href="#step-1b">Step 1.b</a>.</p>
75 </div><!-- End .section-intro -->
76
77 <!-- ~~~~~~~~~ a div for each step ~~~~~~~~~ -->
78 <div id="step-1a" class="step">
79 <div class="sidebar">
80 <p><img src="//static.fsf.org/nosvn/enc-dev0/img/screenshots/step1a-install-wizard.png" alt="Step 1.A: Install Wizard" /></p>
81 </div><!-- /.sidebar -->
82 <div class="main">
83 <h3><em>Step 1.a</em> Set your email program up with your email account (if it isn't already)</h3>
84 <p>Open your email program and follow the wizard that sets it up with your email account.</p>
85
86 <!-- ~~~~~~~~~ Troubleshooting ~~~~~~~~~ -->
87 <div class="troubleshooting">
88 <h4>Troubleshooting</h4>
89 <dl>
90 <dt>What's a wizard?</dt>
91 <dd>A wizard is a series of windows that pop up to make it easy to get something done on a computer, like installing a program. You click through it, selecting options as you go.</dd>
92 <dt>My email program can't find my account or isn't downloading my mail</dt>
93 <dd>Before searching the Web, we recommend you start by asking other people who use your email system, to figure out the correct settings.</dd>
94 <dt class="feedback">Don't see a solution to your problem?</dt>
95 <dd class="feedback">Please let us know on the <a href="https://libreplanet.org/wiki/GPG_guide/Public_Review">feedback page</a>.</dd>
96 </dl>
97 </div><!-- /.troubleshooting -->
98
99 </div><!-- End .main -->
100 </div><!-- End #step1-a .step -->
101
102<!-- ~~~~~~~~~ a div for each step ~~~~~~~~~ -->
103 <div id="step-1b" class="step">
104
105 <div class="main">
106 <h3><em>Step 1.b</em> Get GnuPG by downloading GPG4Win</h3>
107 <p>GPG4Win is a software package that includes GnuPG. <a href="http://files.gpg4win.org/gpg4win-2.2.1.exe">Download</a> and install it, choosing default options whenever asked. After it's installed, you can close any windows that it creates.</p>
108
109 </div><!-- End .main -->
110 </div><!-- End #step1-b .step -->
111
112 <!-- ~~~~~~~~~ a div for each step ~~~~~~~~~ -->
113 <div id="step-1c" class="step">
114 <div class="sidebar">
115 <ul class="images">
116 <li><img src="//static.fsf.org/nosvn/enc-dev0/img/screenshots/step1b-01-tools-addons.png" alt="Step 1.B: Tools -> Add-ons" /></li>
117 <li><img src="//static.fsf.org/nosvn/enc-dev0/img/screenshots/step1b-02-search.png" alt="Step 1.B: Search Add-ons" /></li>
118 <li><img src="//static.fsf.org/nosvn/enc-dev0/img/screenshots/step1b-03-install.png" alt="Step 1.B: Install Add-ons" /></li>
119 </ul>
120 </div><!-- /.sidebar -->
121 <div class="main">
122 <h3><em>Step 1.c</em> Install the Enigmail plugin for your email program</h3>
123 <p>In your email program's menu, select Add-ons (it may be in the Tools section). Make sure Extensions is selected on the left. Do you see Enigmail? if so, skip this step.</p>
124 <p>If not, search "Enigmail" with the search bar in the upper right. You can take it from here. Restart your email program when you're done.</p>
125 <!-- ~~~~~~~~~ Troubleshooting ~~~~~~~~~ -->
126 <div class="troubleshooting">
127 <h4>Troubleshooting</h4>
128 <dl>
129 <dt>I can't find the menu.</dt>
130 <dd>In many new email programs, the main menu is represented by an image of three stacked horizontal bars.</dd>
131
132 <dt class="feedback">Don't see a solution to your problem?</dt>
133 <dd class="feedback">Please let us know on the <a href="https://libreplanet.org/wiki/GPG_guide/Public_Review">feedback page</a>.</dd>
134 </dl>
135 </div><!-- /.troubleshooting -->
136 </div><!-- End .main -->
137 </div><!-- End #step-1c .step -->
138 </div>
139 </section><!-- End #section1 -->
140
141<!-- ~~~~~~~~~ Section 2: Make your keys ~~~~~~~~~ -->
142 <section class="row" id="section2">
143 <div>
144 <!-- ~~~~~~~~~ section introduction: interspersed text ~~~~~~~~~ -->
145 <div class="section-intro">
146 <h2><em>#2</em> Make your keys</h2>
147 <p>To use the GnuPG system, you'll need a public key and a private key (known together as a keypair). Each is a long string of randomly generated numbers and letters that are unique to you. Your public and private keys are linked together by a special mathematical function.</p>
148
149<p>Your public key isn't like a physical key, because it's stored in the open in an online directory called a keyserver. People download it and use it, along with GnuPG, to encrypt emails they send to you. You can think of the keyserver as phonebook, where people who want to send you an encrypted email look up your public key.</p>
150
151<p>Your private key is more like a physical key, because you keep it to yourself (on your computer). You use GnuPG and your private key to decode encrypted emails other people send to you.</p>
152 </div><!-- End .section-intro -->
153
154 <!-- ~~~~~~~~~ a div for each step ~~~~~~~~~ -->
155 <div id="step-2a" class="step">
156 <div class="sidebar">
157 <p><img src="//static.fsf.org/nosvn/enc-dev0/img/screenshots/step2a-01-make-keypair.png" alt="Step 2.A: Make a Keypair" /></p>
158 </div><!-- /.sidebar -->
159 <div class="main">
160 <h3><em>Step 2.a</em> Make a keypair</h3>
161 <p>In your email program's menu, select OpenPGP &rarr; Setup Wizard. You don't need to read the text in the window that pops up unless you'd like to, but it's good to read the text on the later screens of the wizard.</p>
162 <p>On the second screen, titled "Signing," select "No, I want to create per-recipient rules for emails that need to be signed."</p>
163 <p>Use the default options until you reach the screen titled "Create Key".</p>
164 <p>On the screen titled "Create Key," pick a strong password! Your password should be at least 12 characters and include at least one lower case and upper case letter and at least one number or punctuation symbol. Don't forget the password, or all this work will be wasted!</p>
165 <p class="notes">The program will take a little while to finish the next step, the "Key Creation" screen. While you wait, do something else with your computer, like watching a movie or browsing the Web. The more you use the computer at this point, the faster the key creation will go.</p>
166 <p>When the OpenPGP Confirm screen pops up, select Generate Certificate and choose to save it in a safe place on your computer (we recommend making a folder called "Revocation Certificate" in your home folder and keeping it there. You'll learn more about the revocation certificate in <a href="#section5">Section 5</a>. The setup wizard will ask you to move it onto an external device, but that isn't necessary at this moment.</p>
167
168 <!-- ~~~~~~~~~ Troubleshooting ~~~~~~~~~ -->
169 <div class="troubleshooting">
170 <h4>Troubleshooting</h4>
171 <dl>
172 <dt>I can't find the OpenPGP menu.</dt>
173 <dd>In many new email programs, the main menu is represented by an image of three stacked horizontal bars. OpenPGP may be inside a section called Tools.</dd>
174
175 <dt class="feedback">Don't see a solution to your problem?</dt>
176 <dd class="feedback">Please let us know on the <a href="https://libreplanet.org/wiki/GPG_guide/Public_Review">feedback page</a>.</dd>
177 </dl>
178 </div><!-- /.troubleshooting -->
179 </div><!-- End .main -->
180 </div><!-- End #step-2a .step -->
181 <div id="step-2b" class="step">
182 <div class="main">
183 <h3><em>Step 2.b</em> Upload your public key to a keyserver</h3>
184 <p>In your email program's menu, select OpenPGP &rarr; Key Management.</p>
185<p>Right click on your key and select Upload Public Keys to Keyserver. Use the default keyserver in the popup.</p>
186<p class="notes">Now someone who wants to send you an encrypted message can download your public key from the Internet. There are multiple keyservers that you can select from the menu when you upload, but they are all copies of each other, so it doesn't matter which one you use. However, it sometimes takes a few hours for them to match each other when a new key is uploaded.</p>
187 <!-- ~~~~~~~~~ Troubleshooting ~~~~~~~~~ -->
188 <div class="troubleshooting">
189 <h4>Troubleshooting</h4>
190 <dl>
191 <dt>The progress bar never finishes</dt>
192 <dd>Close the upload popup, make sure you are on the Internet and try again. If that doesn't work, try again, selecting a different keyserver.</dd>
193<dt>My key doesnt appear in the list</dt>
194 <dd>Try checking Show Default Keys.</dd>
195
196 <dt class="feedback">Don't see a solution to your problem?</dt>
197 <dd class="feedback">Please let us know on the <a href="https://libreplanet.org/wiki/GPG_guide/Public_Review">feedback page</a>.</dd>
198
199 </dl>
200 </div><!-- /.troubleshooting -->
201
202
203
204 </div><!-- End .main -->
205 </div><!-- End #step-2a .step -->
206 <!-- ~~~~~~~~~ a div for each step ~~~~~~~~~ -->
207 <div id="terminology" class="step">
208 <div class="main">
209 <h3>GnuPG, OpenPGP, what?</h3>
210 <p>You're using a program called GnuPG, but the menu in your email program is called OpenPGP. Confusing, right? In general, the terms GnuPG, GPG, GNU Privacy Guard, OpenPGP and PGP are used interchangeably, though they all have slightly different meanings.</p>
211 </div><!-- End .main -->
212 </div><!-- End #terminology.step-->
213 </div>
214 </section><!-- End #section2 -->
215
216<!-- ~~~~~~~~~ Section 3: Try it out ~~~~~~~~~ -->
217 <section class="row" id="section3">
218 <div>
219 <!-- ~~~~~~~~~ section introduction: interspersed text ~~~~~~~~~ -->
220 <div class="section-intro">
221 <h2><em>#3</em> Try it out!</h2>
222 <p>Now you'll try a test correspondence with a computer program named Adele, which knows how to use encryption. Except where noted, these are the same steps you'd follow when corresponding with a real, live person.</p>
223 </div><!-- End .section-intro -->
224
225 <!-- ~~~~~~~~~ a div for each step ~~~~~~~~~ -->
226 <div id="step-3a" class="step">
227 <div class="sidebar">
228 <p><img src="//static.fsf.org/nosvn/enc-dev0/img/screenshots/section3-try-it-out.png" alt="Try it out." /></p>
229 </div><!-- /.sidebar -->
230 <div class="main">
231 <h3><em>Step 3.a</em> Send Adele your public key</h3>
232 <p>This is a special step that you won't have to do when corresponding with real people. In your email program's menu, go to OpenPGP &rarr; Key Management. You should see your key in the list that pops up. Right click on your key and select Send Public Keys by Email. This will create a new draft message, as if you had just hit the Write button.</p>
233
234<p>Address the message to adele-en@gnupp.de. Put at least one word (whatever you want) in the subject and body of the email, then hit send.</p>
235
236<p class="notes">It may take two or three minutes for Adele to respond. In the meantime, you might want to skip ahead and check out the <a href="#section5">Use it Well</a> section of this guide. Once she's responded, head to the next step. From here on, you'll be doing just the same thing as when corresponding with a real person.</p>
237 </div><!-- End .main -->
238 </div><!-- End #step-3b .step -->
239
240 <!-- ~~~~~~~~~ a div for each step ~~~~~~~~~ -->
241 <div id="step-3b" class="step">
242 <div class="main">
243 <h3><em>Step 3.b</em> Send a test encrypted email</h3>
244 <p>Write a new email in your email program, addressed to adele-en@gnupp.de. Make the subject "Encryption test" or something similar and write something in the body. Don't send it yet.</p>
245 <p>Click the icon of the key in the bottom right of the composition window (it should turn yellow). This tells Enigmail to encrypt the email with the key you downloaded in the last step.</p>
246 <p class="notes">Next to the key, you'll notice an icon of a pencil. Clicking this tells Enigmail to add a special, uniqe signature to your message, generated using your private key. This is a separate feature from encryption, and you don't have to use it for this guide.</p>
247<p>Click Send. Enigmail will pop up a window that says "Recipients not valid, not trusted or not found."</p>
248
249 <p>To encrypt and email to Adele, you need her public key, and so now you'll have Enigmail download it from a keyserver. Click Download Missing Keys and use the default in the pop-up that asks you to choose a keyserver. Once it finds keys, check the first one (Key ID starting with 9), then select ok. Select ok in the next pop-up.</p>
250
251 <p>Now you are back at the "Recipients not valid, not trusted or not found" screen. Select Adele's key from the list and click Ok. If the message doesn't send automatically, you can hit send now.</p>
252 <!-- ~~~~~~~~~ Troubleshooting ~~~~~~~~~ -->
253 <div class="troubleshooting">
254 <h4>Troubleshooting</h4>
255 <dl>
256 <dt>Enigmail can't find Adele's key</dt>
257 <dd>Close the pop-ups that have appeared since you clicked. Make sure you are connected to the Internet and try again. If that doesn't work, repeat the process, choosing a different keyserver when it asks you to pick one.</dd>
258 <dt class="feedback">Don't see a solution to your problem?</dt>
259 <dd class="feedback">Please let us know on the <a href="https://libreplanet.org/wiki/GPG_guide/Public_Review">feedback page</a>.</dd>
260 </dl>
261 </div><!-- /.troubleshooting -->
262 </div><!-- End .main -->
263 </div><!-- End #step-3b .step -->
264
265 <!-- ~~~~~~~~~ a div for each step ~~~~~~~~~ -->
266 <div id="step-headers_unencrypted" class="step">
267 <div class="main">
268 <h3><em>Important:</em> Security tips</h3>
269 <p>Even if you encrypted your email, the subject line is not encrypted, so don't put private information there. The sending and receiving addresses aren't encrypted either, so they could be read by a surveillance system. When you send attachments, Enigmail will give you an option of whether you want to encrypt them.</p>
270<p>It's also good practice to click the key icon in your email composition window <strong>before</strong> you start to write. Otherwise, your email client could save an unencrypted draft on the mail server, potentially exposing it to snooping.</p>
271 </div><!-- End .main -->
272 </div><!-- End #step-headers_unencrypted .step-->
273
274
275 <!-- ~~~~~~~~~ a div for each step ~~~~~~~~~ -->
276 <div id="step-3c" class="step">
277 <div class="main">
278 <h3><em>Step 3.c</em> Receive a response</h3>
279 <p>When Adele receives your email, she will use her private key to decrypt it, then fetch your public key from a keyserver and use it to encrypt a response to you.</p>
280 <p class="notes">Since you encrypted this email with Adele's public key, Adele's private key is required to decrypt it. Adele is the only one with her private key, so no one except her &mdash; not even you &mdash; can decrypt it.</p>
281 <p class="notes">It may take two or three minutes for Adele to respond. In the meantime, you might want to skip ahead and check out the <a href="#section5">Use it Well</a> section of this guide.</p>
282 <p>When you receive Adele's email and open it, Enigmail will automatically detect that it is encrypted with your public key, and then it will use your private key to decrypt it.</p>
283 <p>Notice the bar that Enigmail shows you above the message, with information about the status of Adele's key.</p>
284 </div><!-- End .main -->
285 </div><!-- End #step-3c .step -->
286
287<!-- STEP 3D IS COMMENTED OUT UNTIL WE FIND A WAY TO VALIDATE SIGNATURES
288 <div id="step-3d" class="step">
289 <div class="main">
290 <h3><em>Step 3.d</em> Send a test signed email to a friend</h3>
291 <p>Write a new email in your email program, addressed to a friend. If you want, tell them about this guide!</p>
292 <p>Before sending the email, click the icon of the pencil in the bottom right of the composition window (it should turn yellow). This tells Enigmail to sign the email with you private key.</p>
293 <p>After you click send, Enigmail will ask you for your password. It will do this any time it needs to use your public key.</p>
294 </div>
295 </div>-->
296 </div>
297 </section><!-- End #section3 -->
298
299
300<!-- ~~~~~~~~~ Section 4: Learn the Web of Trust ~~~~~~~~~ -->
301 <section class="row" id="section4">
302 <div>
303 <!-- ~~~~~~~~~ section introduction: interspersed text ~~~~~~~~~ -->
304 <div class="section-intro">
7de573b4 305 <h2><em>#4</em> Aprenda a Rede de Confiabilidade</h2>
306 <p>A criptografia por e-mail é uma tecnologia poderosa, mas tem uma fraqueza; ela requer uma maneira de verificar que a chave pública de uma pessoa é dela mesmo. Senão, não há nada que impeça um adversário de criar um endereço de e-mail com o nome de uma pessoa, criando chaves pra esse endereço e fazendo-se passar por ela. É por isso que os programadores de software livre que desenvolveram a criptografia por e-mail criaram a assinatura de chave e a Rede de Confiabilidade.</p>
3ce4713e 307
7de573b4 308<p>Quando você assina a chave de alguém, está dizendo publicamente que confia que a chave pertence mesmo a essa pessoa e não a um impostor. Pessoas que usam sua chave pública podem ver o número de assinaturas que ela tem. Quando já tiver usado o GnuPG por algum tempo, sua chave pode ter centenas de assinaturas. A Rede de Confiabilidade é uma constelação de todas as pessoas que usam o GnuPG, conectadas umas às outras por correntes de confiança expressadas através de assinaturas, formando uma rede gigante. Quanto mais assinaturas uma chave tiver, e quanto mais assinaturas essas pessoas que assinaram tiverem, mais confiável é essa chave.</p>
3ce4713e 309
b3c85967 310<p>As chaves públicas das pessoas geralmente são identificadas pela impressão digital de sua chave, que é uma série de dígitos como DD878C06E8C2BEDDD4A440D3E573346992AB3FF7 para a chave de Adele). Você pode ver a imprsesão digital de sua chave pública, e de outras chaves públicas salvas no seu computador, indo em
3ce4713e 311
7de573b4 312<p class="notes">Você também pode ver chaves públicas serem citadas por seus ID's, que são simplesmente os últimos 8 dígitos da imprsesão digital, como 92AB3FF7 para a Adele. O ID da chave é visível diretamente da Janela @@Key Management@@. O ID da chave é como o primeiro nome de uma pessoa (é uma abreviação útil mas pode mãn ser única para uma determinada chave), enquanto a impressão digital realmente identifica a chave unicamente sem a possibilidade de confusão. Se você só tem o ID da chave, você ainda pode encontrar a chave (assim como a impressão digital), como fez no Passo 3, mas se múltiplas opções aparecerem, você vai precisar da impressão digital da pessoa com quem está tentando se comunicar pra ver qual delas usar.</p>
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DT		 313
314
315 </div><!-- End .section-intro -->
316
317 <!-- ~~~~~~~~~ a div for each step ~~~~~~~~~ -->
318 <div id="step-4a" class="step">
319 <div class="sidebar">
7de573b4 320 <p><img src="//static.fsf.org/nosvn/enc-dev0/img/screenshots/section4-web-of-trust.png" alt="Seção 4: Rede de Confiabilidade" /></p>
3ce4713e
DT		 321 </div><!-- /.sidebar -->
322 <div class="main">
b3c85967 323 <h3><em>Passo 4.a</em> Assine uma chave</h3>
324 <p>No menu do seu programa de e-mail, vá para @@OpenPGP &rarr; Key Management@@.</p>
325 <p>Dê dois cliques na chave pública de Adele e selecione @@Select Key@@ do menu de contexto.</p>
326 <p>Na janela que aparece, selecione "@@I will not answer@@" e clique em OK.</p>
327 <p>No menu do seu programa de e-mail, vá para @@OpenPGP &rarr; Key Management &rarr; Keyserver &rarr; Upload Public Keys@@ e clique em OK.</p>
328 <p class="notes">Você efetivamente disse "Eu confio que a chave pública de Adele pertence mesmo a Adele." Isso não significa muito porque Adele não é uma pessoa de verdade, mas é uma boa prática.</p>
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DT		 329
330
331 <!--<div id="pgp-pathfinder">
332 <form enctype="application/x-www-form-urlencoded" action="/mk_path.cgi" method="get">
333 <p><strong>From:</strong> <input type="text" placeholder="xD41A008" name="FROM"></p>
334 <p><strong>To:</strong> <input type="text" placeholder="50BD01x4" name="TO"></p>
335 <p class="buttons"><input type="submit" value="trust paths" name="PATHS"> <input type="reset" value="reset" name=".reset"></p>
336 </form>
337 </div><!-- End #pgp-pathfinder -->
338
339 </div><!-- End .main -->
340 </div><!-- End #step-4a .step -->
341 <!-- ~~~~~~~~~ a div for each step ~~~~~~~~~ -->
342 <div id="step-sign_real_keys" class="step">
343 <div class="main">
b3c85967 344 <h3><em>Importante:</em> cheque a identidade das pessoas antes de assinar as chaves delas</h3>
345 <p>Antes de assinar a chave de uma pessoa de verdade, sempre tenha certeza de que ela pertence mesmo a quem diz, e que elas são quem dizem ser. Peça a elas pra mostrar seus ID's (a não ser que confie muito nelas) e a impressão digital de suas chaves públicas -- não somente o ID da chave pública mais curto, que pode se referir a mais de uma chave. No Enigmail, responda honestamente a janela que aparece e pergunta "@@How carefully have you verified that the key you are about to sign actually belongs to the person(s) named above?@@.</p>
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DT		 346 </div><!-- End .main -->
347 </div><!-- End #step-sign_real_keys .step-->
348
349
350
351 </div>
352 </section><!-- End #section4 -->
353
354<!-- ~~~~~~~~~ Section 5: Use it well ~~~~~~~~~ -->
355 <section id="section5" class="row">
356 <div>
357 <!-- ~~~~~~~~~ section introduction: interspersed text ~~~~~~~~~ -->
358 <div class="section-intro">
b3c85967 359 <h2><em>#5</em> Use bem</h2>
7de573b4 360<p>Cada pessoa usa o GnuPG de um jeito um pouquinho diferente, mas é importante seguir algumas práticas básicas pra manter seu e-mail seguro. Se você não as seguir, estará ponto em risco a privacidade das pessoas com as quais se comunica, assim como a sua própria, e danificando a Rede de Confiabilidade.</p>
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DT		 361 </div><!-- End .section-intro -->
362
363 <!-- ~~~~~~~~~ a div for each step ~~~~~~~~~ -->
364 <div id="step-5a" class="step">
365 <div class="sidebar">
b3c85967 366 <p><img src="//static.fsf.org/nosvn/enc-dev0/img/screenshots/section5-01-use-it-well.png" alt="Section 5: Use bem" /></p>
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DT		 367 </div><!-- /.sidebar -->
368 <div class="main">
7de573b4 369 <h3>Quando devo codificar?</h3>
3ce4713e 370
7de573b4 371 <p>Quanto mais você puder codificar suas mensagens, melhor. Isso porque se você só codificar e-mails ocasionalmente, cada mensagem codificada pode despertar suspeitas em sistemas de vigilância. Se todos os quase todos os seus e-mails são codificados, as pessoas que conduzem a vigilância não saberão por onde começar.</p>
3ce4713e 372
7de573b4 373<p>Não queremos dizer que codificar só uma parte do seus e-mails não ajuda -- é um ótimo começo e torna a vigilância em massa mais difícil.</p>
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DT		 374
375 </div><!-- End .main -->
376 </div><!-- End #step-5a .step -->
377
378 <!-- ~~~~~~~~~ a div for each step ~~~~~~~~~ -->
379 <div id="step-5b" class="step">
380 <div class="sidebar">
b3c85967 381 <p><img src="//static.fsf.org/nosvn/enc-dev0/img/screenshots/section5-02-use-it-well.png" alt="Seção 5: Use bem" /></p>
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DT		 382 </div><!-- /.sidebar -->
383 <div class="main">
b3c85967 384 <h3><em>Importante:</em> Cuidado com chaves inválidas</h3>
7de573b4 385 <p>O GnuPG torna o e-mail mais seguro, mas ainda é importante estar atento para chaves inválidas, que podem ter caído em mãos erradas. E-mails codificados com chaves inválidas podem ser lidos por programas de vigilância.</p>
386 <p>Em seu programa de e-mail, volte à segunda mensagem que Adele mandou. Como Adele o codificou com a sua chave pública, vai haver uma mensagem do OpenPGP no topo, que provavelmente diz "@@OpenPGP: Part of this message encrypted.@@"</p>
387<p><b>Quando usar o GnuPG, torne prestar atenção nessa barra um hábito. O programa vai te alertar por ali se você receber um e-mail codificado com uma chave na qual não se pode confiar.</b></p>
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DT		 388 </div><!-- End .main -->
389 </div><!-- End #step-5b .step -->
390
391 <!-- ~~~~~~~~~ a div for each step ~~~~~~~~~ -->
392 <div id="step-5c" class="step">
393 <div class="main">
7de573b4 394 <h3>Copie seu certificado de revogação para algum lugar seguro</h3>
395 <p>Lembra quando você criou suas chaves e salvou o certificado de revogação que o GnuPG fez? É hora de copiar esse certificado para o armazenamento digital mais seguro que você tiver -- o ideal é um pendrive, CD ou HD guardados em um local seguro na sua casa.</p>
b3c85967 396<p>Se um dia você perder sua chave privada, ou se a roubarem, você vai precisar desse arquivo de certificado.</p>
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DT		 397 </div><!-- End .main -->
398 </div><!-- End #step-5c .step -->
399
400 <!-- ~~~~~~~~~ a div for each step ~~~~~~~~~ -->
401 <div id="step-lost_key" class="step">
402 <div class="main">
b3c85967 403 <h3><em>Importante:</em> aja rápido se alguém pegar sua chave privada</h3>
7de573b4 404 <p>Se você perder sua chave privada ou se alguém tomar posse dela (por exemplo, roubando ou invadindo seu computador), é importante revogá-la imediatamente antes que alguém a use para ler suas mensagens encriptadas. Esse guia não cobre os passos pra revogar uma chave, mas você pode seguir as <a href="https://www.gnupg.org/gph/en/manual.html#AEN305">instruções no site do GnuPG</a>. Depois que tiver , mande um e-mail pra todas as pessoas com as quais você costuma usar sua chave pra ter certeza de que elas saberão disso.</p>
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DT		 405 </div><!-- End .main -->
406 </div><!-- End #step-lost_key .step-->
407
408 <!-- ~~~~~~~~~ a div for each step ~~~~~~~~~
409 <div id="step-5d" class="step">
410 <div class="main">
411 <h3>Make your public key part of your online identity</h3>
412 <p> First add your public key fingerprint to your email signature, then compose an email to at least five of your friends, telling them you just set up GnuPG and mentioning your public key fingerprint. Link to this guide and ask them to join you. Don't forget that there's also an awesome <a href="infographic.html">infographic to share.</a></p>
413
414<p class="notes">Start writing your public key fingerprint anywhere someone would see your email address: your social media profiles, blog, Website, or business card. (At the Free Software Foundation, we put ours on our <a href="https://fsf.org/about/staff">staff page</a>.) We need to get our culture to the point that we feel like something is missing when we see an email address without a public key fingerprint.</p>
415 </div><!-- End .main
b3c85967 416 </div> End #step-5d .step-->
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DT		 417
418
419 </div>
420 </section><!-- End #section5 -->
421
b3c85967 422
423
3ce4713e
DT		 424<!-- ~~~~~~~~~ Section 6: Next steps ~~~~~~~~~ -->
425 <section class="row" id="section6">
426 <div id="step-click_here" class="step">
427 <div class="main">
b3c85967 428 <h2><a href="next_steps.html">Clique aqui quando terminar</a></h2>
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DT		 429
430 </div><!-- End .main -->
431 </div><!-- End #step-click_here .step-->
432
433 </section><!-- End #section6 -->
434
435<!-- ~~~~~~~~~ FAQ ~~~~~~~~~ -->
436<!-- When un-commenting this section go to main.css and search
437 for /* Guide Sections Background */ then add #faq to the desired color
438
439 <section class="row" id="faq">
440 <div>
441 <div class="sidebar">
442 <h2>FAQ</h2>
443 </div>
444
445 <div class="main">
446 <dl>
447 <dt>My key expired</dt>
448 <dd>Answer coming soon.</dd>
449
450 <dt>Who can read encrypted messages? Who can read signed ones?</dt>
451 <dd>Answer coming soon.</dd>
452
453 <dt>My email program is opening at times I don't want it to open/is now my default program and I don't want it to be.</dt>
454 <dd>Answer coming soon.</dd>
455 </dl>
456 </div>
457 </div>
458 </section> --><!-- End #faq -->
459
460<!-- ~~~~~~~~~ Footer ~~~~~~~~~ -->
461 <footer class="row" id="footer">
462 <div>
463 <div id="copyright">
464 <h4><a href="https://u.fsf.org/ys"><img alt="Free Software Foundation" src="//static.fsf.org/nosvn/enc-dev0/img/fsf-logo.png"></a></h4>
9c1cf076 465 <p>Copyright &copy; 2014 <a href="https://u.fsf.org/ys">Free Software Foundation</a>, Inc. <a href="https://my.fsf.org/donate/privacypolicy.html">Política de Privacidade</a>. <a href="https://u.fsf.org/yr">Junte-se a nós.</a></p>
466 <p><em>Versão 2.0, lançada em 6/18/2014. Tradução pra português do Brasil por Thiago Marinelli e <a href="mailto:cmi-rio@riseup.net">CMI-Rio</a></em></p>
7eae263c 467<p>As imagens dessa página estão sob a licença de uso <a href="https://creativecommons.org/licenses/by/4.0/deed.pt_BR">Creative Commons Atribuição 4.0 Internacional (ou uma versão mais nova)</a>, e o resto está sob <a href="https://creativecommons.org/licenses/by-sa/4.0/deed.pt_BR">Creative Commons Atribuição-CompartilhaIgual 4.0 Internacional (ou uma versão mais nova)</a>. &mdash; <a href="http://www.gnu.org/licenses/license-list.html#OtherLicenses">Por quê essas licenças?</a></p>
9c1cf076 468 <p>Baixe os pacotes com o código-fonte pra <a href="gnupg-guide.zip">esse guia</a> e pra <a href="gnupg-infographic.zip">o infográfico</a>. As fontes usadas no guia &amp; infográfico: <a href="https://www.google.com/fonts/specimen/Dosis">Dosis</a> por Pablo Impallari, <a href="http://www.google.com/fonts/specimen/Signika">Signika</a> por Anna Giedry&#347; <a href="http://www.google.com/fonts/specimen/Archivo+Narrow">Archivo Narrow</a> por Omnibus-Type, <a href="http://www.thegopherarchive.com/gopher-files-hacks-pxl2000-119351.htm">PXL-2000</a> por Florian Cramer.</p>
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DT		 469 <p>
470 <a href="//weblabels.fsf.org/emailselfdefense.fsf.org/"
471 rel="jslicense">
9c1cf076 472 Informações sobre a licença do Javascript
3ce4713e
DT		 473 </a>
474 </p>
475 </div><!-- /#copyright -->
476 <p class="credits">
9c1cf076 477 Design do guia e do infográfico por <a rel="external" href="http://jplusplus.org"><strong>Journalism++</strong> <img src="//static.fsf.org/nosvn/enc-dev0/img/jplusplus.png" alt="Journalism++" /></a>
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DT		 478 </p><!-- /.credits -->
479 </div>
480 </footer><!-- End #footer -->
481
482 <script src="//static.fsf.org/nosvn/enc-dev0/js/jquery-1.11.0.min.js"></script>
483 <script src="//static.fsf.org/nosvn/enc-dev0/js/scripts.js"></script>
484
485 <!-- Piwik -->
486 <script type="text/javascript">
487 /*
488 @licstart The following is the entire license notice for the
489 JavaScript code in this page.
490
491 Copyright 2014 Matthieu Aubry
492
493 This program is free software: you can redistribute it and/or modify
494 it under the terms of the GNU General Public License as published by
495 the Free Software Foundation, either version 3 of the License, or
496 (at your option) any later version.
497
498 This program is distributed in the hope that it will be useful,
499 but WITHOUT ANY WARRANTY; without even the implied warranty of
500 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
501 GNU General Public License for more details.
502
503 You should have received a copy of the GNU General Public License
504 along with this program. If not, see http://www.gnu.org/licenses/.
505
506 @licend The above is the entire license notice
507 for the JavaScript code in this page.
508 */
509 var _paq = _paq || [];
510 _paq.push(["setDocumentTitle", document.domain + "/" + document.title]);
511 _paq.push(["setCookieDomain", "*.www.fsf.org"]);
512 _paq.push(["setDomains", ["*.www.fsf.org","*.www.fsf.org"]]);
513 _paq.push(["trackPageView"]);
514 _paq.push(["enableLinkTracking"]);
515
516 (function() {
517 var u=(("https:" == document.location.protocol) ? "https" : "http") + "://piwik.fsf.org/";
518 _paq.push(["setTrackerUrl", u+"piwik.php"]);
519 _paq.push(["setSiteId", "5"]);
520 var d=document, g=d.createElement("script"), s=d.getElementsByTagName("script")[0]; g.type="text/javascript";
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526</html>