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16&lt;meta charset="utf-8" /&gt;
17
18&lt;title&gt;Email Self-Defense - a guide to fighting surveillance with GnuPG encryption&lt;/title&gt;
19
20&lt;meta name="keywords" content="GnuPG, GPG, openpgp, surveillance, privacy, email, Enigmail" /&gt;
21&lt;meta name="description" content="Email surveillance violates our fundamental rights and makes
22free speech risky. This guide will teach you email self-defense in 30 minutes with GnuPG." /&gt;
23&lt;meta name="viewport" content="width=device-width, initial-scale=1" /&gt;
24&lt;link rel="stylesheet" href="//static.fsf.org/nosvn/enc-dev0/css/main.css" /&gt;
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26&lt;/head&gt;
27
28&lt;body&gt;
29&lt;!-- &lt;nav class="nav"&gt;
30&lt;div&gt;
31&lt;ul class="lang"&gt;
32&lt;li class="help"&gt;&lt;a href="http://libreplanet.org/wiki/GPG_guide"&gt;Translate this
33guide!&lt;/a&gt;&lt;/li&gt;
34&lt;/ul&gt;
35
36&lt;/div&gt;
37&lt;/nav&gt;
38--&gt;
39
40&lt;!-- ~~~~~~~~~ GnuPG Header and introduction text ~~~~~~~~~ --&gt;
41&lt;header class="row" id="header"&gt;&lt;div&gt;
42
43&lt;h1&gt;Email Self-Defense&lt;/h1&gt;
44
45&lt;!-- Language list for browsers that do not have JS enabled --&gt;
46&lt;ul id="languages" class="os"&gt;
47&lt;li&gt;&lt;a class="current" href="/en"&gt;english&lt;/a&gt;&lt;/li&gt;
48&lt;li&gt;&lt;a href="/es"&gt;español&lt;/a&gt;&lt;/li&gt;
49&lt;li&gt;&lt;a href="/fr"&gt;français&lt;/a&gt;&lt;/li&gt;
50&lt;li&gt;&lt;a href="/de"&gt;deutsch&lt;/a&gt;&lt;/li&gt;
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53&lt;li&gt;&lt;a href="/tr"&gt;türkçe&lt;/a&gt;&lt;/li&gt;
54&lt;li&gt;&lt;a href="/ro"&gt;română&lt;/a&gt;&lt;/li&gt;
55&lt;li&gt;&lt;a href="/ru"&gt;русский&lt;/a&gt;&lt;/li&gt;
56&lt;!--&lt;li&gt;&lt;a href="/ml"&gt;മലയാളം&lt;/a&gt;&lt;/li&gt;--&gt;
57&lt;!--&lt;li&gt;&lt;a href="/ko"&gt;한국어&lt;/a&gt;&lt;/li&gt;--&gt;
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60&lt;!--&lt;li&gt;&lt;a href="/ar"&gt;العربية&lt;/a&gt;&lt;/li&gt;--&gt;
61&lt;/ul&gt;
62
63&lt;ul id="menu" class="os"&gt;
64&lt;li class="spacer"&gt; &lt;a href="index.html"&gt;GNU/Linux&lt;/a&gt; &lt;/li&gt;
65&lt;li&gt; &lt;a href="mac.html" class="current"&gt;Mac OS&lt;/a&gt; &lt;/li&gt;
66&lt;li&gt; &lt;a href="windows.html"&gt;Windows&lt;/a&gt; &lt;/li&gt;
67&lt;li class="spacer"&gt; &lt;a href="https://fsf.org/share?u=https://u.fsf.org/zb&amp;t=Email
68encryption for everyone via %40fsf"&gt; Share&nbsp; &lt;img
69src="//static.fsf.org/nosvn/enc-dev0/img/gnu-social.png" class="share-logo"
70alt="[GNU Social]"&gt;&nbsp; &lt;img src="//static.fsf.org/nosvn/enc-dev0/img/pump.io.png"
71class="share-logo"
72alt="[Pump.io]"&gt;&nbsp; &lt;img src="//static.fsf.org/nosvn/enc-dev0/img/reddit-alien.png"
73class="share-logo"
74alt="[Reddit]"&gt;&nbsp; &lt;img src="//static.fsf.org/nosvn/enc-dev0/img/hacker-news.png"
75class="share-logo"
76alt="[Hacker News]"&gt;
77&lt;/a&gt; &lt;/li&gt;
78&lt;/ul&gt;
79
80&lt;!-- ~~~~~~~~~ FSF Introduction ~~~~~~~~~ --&gt;
81&lt;div id="fsf-intro"&gt;
82
83&lt;h3&gt;&lt;a href="http://u.fsf.org/ys"&gt;&lt;img
84alt="Free Software Foundation" src="//static.fsf.org/nosvn/enc-dev0/img/fsf-logo.png"
85/&gt;&lt;/a&gt;&lt;/h3&gt;
86
87&lt;span style="font-size:125%"&gt;
88
89&lt;p&gt;We fight for computer users' rights, and promote the development of free (as in freedom)
90software. Resisting bulk surveillance is very important to us.&lt;/p&gt;
91
92&lt;p&gt;&lt;strong&gt;We want to translate this guide into more languages, and make a version for
93encryption on mobile devices. Please donate, and help people around the world take the
94first step towards protecting their privacy with free software.&lt;/strong&gt;&lt;/p&gt;
95
96&lt;/span&gt;
97
98&lt;p&gt;&lt;a
99href="https://crm.fsf.org/civicrm/contribute/transact?reset=1&amp;id=14&amp;pk_campaign=email_self_defense&amp;pk_kwd=guide_donate"&gt;&lt;img
100alt="Donate" src="//static.fsf.org/nosvn/enc-dev0/img/en/donate.png" /&gt;&lt;/a&gt; &lt;/p&gt;
101
102&lt;/div&gt;&lt;!-- End #fsf-intro --&gt;
103
104&lt;!-- ~~~~~~~~~ Guide Introduction ~~~~~~~~~ --&gt;
105&lt;div class="intro"&gt;
106
107&lt;p&gt; &lt;a id="infographic" href="infographic.html"&gt;&lt;img
108src="//static.fsf.org/nosvn/enc-dev0/img/en/infographic-button.png"
109alt="View &amp; share our infographic &rarr;" /&gt;&lt;/a&gt; Bulk surveillance violates
110our fundamental rights and makes free speech risky. This guide will teach you a basic
111surveillance self-defense skill: email encryption. Once you've finished, you'll be able to
112send and receive emails that are coded to make sure a surveillance agent or thief intercepting
113your email can't read it. All you need is a computer with an Internet connection, an email
114account, and about half an hour.&lt;/p&gt;
115
116&lt;p&gt;Even if you have nothing to hide, using encryption helps protect the privacy of people
117you communicate with, and makes life difficult for bulk surveillance systems. If you do
118have something important to hide, you're in good company; these are the same tools that
119Edward Snowden used to share his famous secrets about the NSA.&lt;/p&gt;
120
121&lt;p&gt;In addition to using encryption, standing up to surveillance requires fighting politically
122for a &lt;a href="http://gnu.org/philosophy/surveillance-vs-democracy.html"&gt;reduction in the
123amount of data collected on us&lt;/a&gt;, but the essential first step is to protect yourself
124and make surveillance of your communication as difficult as possible. Let's get started!&lt;/p&gt;
125
126&lt;/div&gt;&lt;!-- End .intro --&gt;
127&lt;/div&gt;&lt;/header&gt;&lt;!-- End #header --&gt;
128
129&lt;!-- ~~~~~~~~~ Section 1: Get the pieces ~~~~~~~~~ --&gt;
130&lt;section class="row" id="section1"&gt;&lt;div&gt;
131
132&lt;!-- ~~~~~~~~~ section introduction: interspersed text ~~~~~~~~~ --&gt;
133&lt;div class="section-intro"&gt;
134
135&lt;h2&gt;&lt;em&gt;#1&lt;/em&gt; Get the pieces&lt;/h2&gt;
136
137&lt;p class="notes"&gt;This guide relies on software which is freely licensed; it's
138completely transparent and anyone can copy it or make their own version. This makes
139it safer from surveillance than proprietary software (like Mac OS). To defend your
140freedom as well as protect yourself from surveillance, we recommend you switch to a
141free software operating system like GNU/Linux. Learn more about free software at &lt;a
142href="https://u.fsf.org/ys"&gt;fsf.org&lt;/a&gt;.&lt;/p&gt;
143
144&lt;p&gt;To get started, you'll need a desktop email program installed on your computer. This guide
145works with free software versions of the Thunderbird email program, and with Thunderbird
146itself. Email programs are another way to access the same email accounts you can access
147in a browser (like Gmail), but provide extra features.&lt;/p&gt;
148
149&lt;p&gt;If you already have <span class="removed"><del><strong>one of these,</strong></del></span> <span class="inserted"><ins><em>an email program,</em></ins></span> you can skip to &lt;a href="#step-1b"&gt;Step 1.b&lt;/a&gt;.&lt;/p&gt;
150
151&lt;/div&gt;&lt;!-- End .section-intro --&gt;
152
153&lt;!-- ~~~~~~~~~ a div for each step ~~~~~~~~~ --&gt;
154&lt;div id="step-1a" class="step"&gt;
155&lt;div class="sidebar"&gt;
156
157&lt;p&gt;&lt;img src="//static.fsf.org/nosvn/enc-dev0/img/en/screenshots/step1a-install-wizard.png"
158alt="Step 1.A: Install Wizard" /&gt;&lt;/p&gt;
159
160&lt;/div&gt;&lt;!-- /.sidebar --&gt;
161&lt;div class="main"&gt;
162
163&lt;h3&gt;&lt;em&gt;Step 1.a&lt;/em&gt; Setup your email program with your email <span class="removed"><del><strong>account (if it isn't
164already)&lt;/h3&gt;</strong></del></span> <span class="inserted"><ins><em>account&lt;/h3&gt;</em></ins></span>
165
166&lt;p&gt;Open your email program and follow the wizard <span class="inserted"><ins><em>(step-by-step walkthrough)</em></ins></span> that sets it
167up with your email account.&lt;/p&gt;
168
169&lt;!-- ~~~~~~~~~ Troubleshooting ~~~~~~~~~ --&gt;
170&lt;div class="troubleshooting"&gt;
171
172&lt;h4&gt;Troubleshooting&lt;/h4&gt;
173
174&lt;dl&gt;
175<span class="removed"><del><strong>&lt;dt&gt;What's a wizard?&lt;/dt&gt;
176
177&lt;dd&gt;A</strong></del></span>
178<span class="inserted"><ins><em>&lt;dt&gt;The</em></ins></span> wizard <span class="inserted"><ins><em>doesn't launch&lt;/dt&gt;
179
180&lt;dd&gt;You can launch the wizard yourself, but the menu option for doing so</em></ins></span> is <span class="removed"><del><strong>a series of windows that pop up</strong></del></span> <span class="inserted"><ins><em>named differently
181in each email programs. The button</em></ins></span> to <span class="removed"><del><strong>make</strong></del></span> <span class="inserted"><ins><em>launch</em></ins></span> it <span class="removed"><del><strong>easy to get</strong></del></span> <span class="inserted"><ins><em>will be in the program's main menu, under
182"New" or something similar, titled</em></ins></span> something <span class="removed"><del><strong>done on
183a computer,</strong></del></span> like <span class="removed"><del><strong>installing a program. You click through it, selecting options as you go.&lt;/dd&gt;
184
185&lt;dt&gt;My</strong></del></span> <span class="inserted"><ins><em>"Add account" or "New/Existing</em></ins></span> email <span class="removed"><del><strong>program</strong></del></span>
186<span class="inserted"><ins><em>account."&lt;/dd&gt;
187
188&lt;dt&gt;The wizard</em></ins></span> can't find my account or isn't downloading my mail&lt;/dt&gt;
189
190&lt;dd&gt;Before searching the Web, we recommend you start by asking other people who use your
191email system, to figure out the correct settings.&lt;/dd&gt;
192
193&lt;dt class="feedback"&gt;Don't see a solution to your problem?&lt;/dt&gt;
194
195&lt;dd class="feedback"&gt;Please let us know on the &lt;a
196href="https://libreplanet.org/wiki/GPG_guide/Public_Review"&gt;feedback page&lt;/a&gt;.&lt;/dd&gt;
197&lt;/dl&gt;
198
199&lt;/div&gt;&lt;!-- /.troubleshooting --&gt;
200&lt;/div&gt;&lt;!-- End .main --&gt;
201&lt;/div&gt;&lt;!-- End #step1-a .step --&gt;
202
203&lt;!-- ~~~~~~~~~ a div for each step ~~~~~~~~~ --&gt;
204&lt;div id="step-1b" class="step"&gt;
205&lt;div class="main"&gt;
206
207&lt;h3&gt;&lt;em&gt;Step 1.b&lt;/em&gt; Get GnuPG by downloading GPGTools&lt;/h3&gt;
208
209&lt;p&gt;GPGTools is a software package that includes GnuPG. &lt;a
2f741db8 210href="https://gpgtools.org/#gpgsuite"&gt;Download&lt;/a&gt; and
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211install it, choosing default options whenever asked. After it's installed, you can close
212any windows that it creates.&lt;/p&gt;
213
214&lt;/div&gt;&lt;!-- End .main --&gt;
215&lt;/div&gt;&lt;!-- End #step1-b .step --&gt;
216
217&lt;!-- ~~~~~~~~~ a div for each step ~~~~~~~~~ --&gt;
218&lt;div id="step-1c" class="step"&gt;
219&lt;div class="sidebar"&gt;
220&lt;ul class="images"&gt;
221&lt;li&gt;&lt;img src="//static.fsf.org/nosvn/enc-dev0/img/en/screenshots/step1b-01-tools-addons.png"
222alt="Step 1.C: Tools -&gt; Add-ons" /&gt;&lt;/li&gt;
223&lt;li&gt;&lt;img src="//static.fsf.org/nosvn/enc-dev0/img/en/screenshots/step1b-02-search.png"
224alt="Step 1.C: Search Add-ons" /&gt;&lt;/li&gt;
225&lt;li&gt;&lt;img src="//static.fsf.org/nosvn/enc-dev0/img/en/screenshots/step1b-03-install.png"
226alt="Step 1.C: Install Add-ons" /&gt;&lt;/li&gt;
227&lt;/ul&gt;
228
229&lt;/div&gt;&lt;!-- /.sidebar --&gt;
230&lt;div class="main"&gt;
231
232&lt;h3&gt;&lt;em&gt;Step 1.c&lt;/em&gt; Install the Enigmail plugin for your email program&lt;/h3&gt;
233
234&lt;p&gt;In your email program's menu, select Add-ons (it may be in the Tools section). Make
235sure Extensions is selected on the left. Do you see Enigmail? if so, skip this step.&lt;/p&gt;
236
237&lt;p&gt;If not, search "Enigmail" with the search bar in the upper right. You can take it from
238here. Restart your email program when you're done.&lt;/p&gt;
239
240&lt;!-- ~~~~~~~~~ Troubleshooting ~~~~~~~~~ --&gt;
241&lt;div class="troubleshooting"&gt;
242
243&lt;h4&gt;Troubleshooting&lt;/h4&gt;
244
245&lt;dl&gt;
246&lt;dt&gt;I can't find the menu.&lt;/dt&gt;
247
248&lt;dd&gt;In many new email programs, the main menu is represented by an image of three stacked
249horizontal bars.&lt;/dd&gt;
250
251&lt;dt class="feedback"&gt;Don't see a solution to your problem?&lt;/dt&gt;
252
253&lt;dd class="feedback"&gt;Please let us know on the &lt;a
254href="https://libreplanet.org/wiki/GPG_guide/Public_Review"&gt;feedback page&lt;/a&gt;.&lt;/dd&gt;
255&lt;/dl&gt;
256
257&lt;/div&gt;&lt;!-- /.troubleshooting --&gt;
258&lt;/div&gt;&lt;!-- End .main --&gt;
259&lt;/div&gt;&lt;!-- End #step-1c .step --&gt;
260&lt;/div&gt;&lt;/section&gt;&lt;!-- End #section1 --&gt;
261
262&lt;!-- ~~~~~~~~~ Section 2: Make your keys ~~~~~~~~~ --&gt;
263&lt;section class="row" id="section2"&gt;&lt;div&gt;
264
265&lt;!-- ~~~~~~~~~ section introduction: interspersed text ~~~~~~~~~ --&gt;
266&lt;div class="section-intro"&gt;
267
268&lt;h2&gt;&lt;em&gt;#2&lt;/em&gt; Make your keys&lt;/h2&gt;
269
270&lt;p&gt;To use the GnuPG system, you'll need a public key and a private key (known together as a
271keypair). Each is a long string of randomly generated numbers and letters that are unique to
272you. Your public and private keys are linked together by a special mathematical function.&lt;/p&gt;
273
274&lt;p&gt;Your public key isn't like a physical key, because it's stored in the open in an online
275directory called a keyserver. People download it and use it, along with GnuPG, to encrypt
276emails they send to you. You can think of the keyserver as phonebook, where people who
277want to send you an encrypted email look up your public key.&lt;/p&gt;
278
279&lt;p&gt;Your private key is more like a physical key, because you keep it to yourself (on your
280computer). You use GnuPG and your private key to decode encrypted emails other people send
281to you.&lt;/p&gt;
282
283&lt;/div&gt;&lt;!-- End .section-intro --&gt;
284
285&lt;!-- ~~~~~~~~~ a div for each step ~~~~~~~~~ --&gt;
286&lt;div id="step-2a" class="step"&gt;
287&lt;div class="sidebar"&gt;
288
289&lt;p&gt;&lt;img src="//static.fsf.org/nosvn/enc-dev0/img/en/screenshots/step2a-01-make-keypair.png"
290alt="Step 2.A: Make a Keypair" /&gt;&lt;/p&gt;
291
292&lt;/div&gt;&lt;!-- /.sidebar --&gt;
293&lt;div class="main"&gt;
294
295&lt;h3&gt;&lt;em&gt;Step 2.a&lt;/em&gt; Make a keypair&lt;/h3&gt;
296
297<span class="removed"><del><strong>&lt;p&gt;In your email program's menu,</strong></del></span>
298
299<span class="inserted"><ins><em>&lt;p&gt;The Enigmail Setup wizard may start automatically. If it doesn't,</em></ins></span> select <span class="removed"><del><strong>OpenPGP</strong></del></span> <span class="inserted"><ins><em>Enigmail</em></ins></span> &rarr;
300Setup <span class="removed"><del><strong>Wizard.</strong></del></span> <span class="inserted"><ins><em>Wizard from your email program's menu.</em></ins></span> You don't need to read the text in the window
301that pops up unless you'd like to, but it's good to read the text on the later screens of
302the <span class="removed"><del><strong>wizard.&lt;/p&gt;
303
304&lt;p&gt;On</strong></del></span> <span class="inserted"><ins><em>wizard. Click Next with the default options selected, except in these instances:&lt;/p&gt;
305
306&lt;ul&gt;
307&lt;li&gt;On</em></ins></span> the second screen, titled <span class="inserted"><ins><em>"Encryption," select "Encrypt all of my messages by default,
308because privacy is critical to me."&lt;/li&gt;
309&lt;li&gt;On the third screen, titled</em></ins></span> "Signing," select <span class="removed"><del><strong>"No, I</strong></del></span> <span class="inserted"><ins><em>"Don't sign my messages by default."&lt;/li&gt;
310&lt;li&gt;On the fourth screen, titled "Key Selection," select "I</em></ins></span> want to create <span class="removed"><del><strong>per-recipient
311rules</strong></del></span> <span class="inserted"><ins><em>a new key pair</em></ins></span>
312for <span class="removed"><del><strong>emails that need to be signed."&lt;/p&gt;
313
314&lt;p&gt;Use the default options until you reach the screen titled "Create Key".&lt;/p&gt;
315
316&lt;p&gt;On</strong></del></span> <span class="inserted"><ins><em>signing and encryption my email."&lt;/li&gt;
317&lt;li&gt;On</em></ins></span> the screen titled "Create Key," pick a strong password! Your password should be at
318least 12 characters and include at least one lower case and upper case letter and at least one
319number or punctuation symbol. Don't forget the password, or all this work will be <span class="removed"><del><strong>wasted!&lt;/p&gt;</strong></del></span> <span class="inserted"><ins><em>wasted!&lt;/li&gt;
320&lt;/ul&gt;</em></ins></span>
321
322&lt;p class="notes"&gt;The program will take a little while to finish the next step, the "Key
323Creation" screen. While you wait, do something else with your computer, like watching a
324movie or browsing the Web. The more you use the computer at this point, the faster the
325key creation will go.&lt;/p&gt;
326
327&lt;p&gt;When the <span class="removed"><del><strong>OpenPGP Confirm</strong></del></span> <span class="inserted"><ins><em>"Key Generation Completed"</em></ins></span> screen pops up, select Generate Certificate and
328choose to save it in a safe place on your computer (we recommend making a folder called
329"Revocation Certificate" in your home folder and keeping it there). You'll learn more
330about the revocation certificate in &lt;a href="#section5"&gt;Section <span class="removed"><del><strong>5&lt;/a&gt;. The setup wizard will ask
331you to move it onto an external device, but that isn't necessary at this moment.&lt;/p&gt;</strong></del></span> <span class="inserted"><ins><em>5&lt;/a&gt;.&lt;/p&gt;</em></ins></span>
332
333&lt;!-- ~~~~~~~~~ Troubleshooting ~~~~~~~~~ --&gt;
334&lt;div class="troubleshooting"&gt;
335
336&lt;h4&gt;Troubleshooting&lt;/h4&gt;
337
338&lt;dl&gt;
339&lt;dt&gt;I can't find the <span class="removed"><del><strong>OpenPGP</strong></del></span> <span class="inserted"><ins><em>Enigmail</em></ins></span> menu.&lt;/dt&gt;
340
341&lt;dd&gt;In many new email programs, the main menu is represented by an image of three stacked
342horizontal bars. <span class="removed"><del><strong>OpenPGP</strong></del></span> <span class="inserted"><ins><em>Enigmail</em></ins></span> may be inside a section called Tools.&lt;/dd&gt;
343
344&lt;dt class="feedback"&gt;Don't see a solution to your problem?&lt;/dt&gt;
345
346&lt;dd class="feedback"&gt;Please let us know on the &lt;a
347href="https://libreplanet.org/wiki/GPG_guide/Public_Review"&gt;feedback page&lt;/a&gt;.&lt;/dd&gt;
348&lt;/dl&gt;
349
350&lt;/div&gt;&lt;!-- /.troubleshooting --&gt;
351&lt;/div&gt;&lt;!-- End .main --&gt;
352&lt;/div&gt;&lt;!-- End #step-2a .step --&gt;
353
354&lt;!-- ~~~~~~~~~ a div for each step ~~~~~~~~~ --&gt;
355&lt;div id="step-2b" class="step"&gt;
356&lt;div class="main"&gt;
357
358&lt;h3&gt;&lt;em&gt;Step 2.b&lt;/em&gt; Upload your public key to a keyserver&lt;/h3&gt;
359
360&lt;p&gt;In your email program's menu, select <span class="removed"><del><strong>OpenPGP</strong></del></span> <span class="inserted"><ins><em>Enigmail</em></ins></span> &rarr; Key Management.&lt;/p&gt;
361
362&lt;p&gt;Right click on your key and select Upload Public Keys to Keyserver. Use the default
363keyserver in the popup.&lt;/p&gt;
364
365&lt;p class="notes"&gt;Now someone who wants to send you an encrypted message can download your
366public key from the Internet. There are multiple keyservers that you can select from the
367menu when you upload, but they are all copies of each other, so it doesn't matter which
368one you use. However, it sometimes takes a few hours for them to match each other when a
369new key is uploaded.&lt;/p&gt;
370
371&lt;!-- ~~~~~~~~~ Troubleshooting ~~~~~~~~~ --&gt;
372&lt;div class="troubleshooting"&gt;
373
374&lt;h4&gt;Troubleshooting&lt;/h4&gt;
375
376&lt;dl&gt;
377&lt;dt&gt;The progress bar never <span class="removed"><del><strong>finishes.hes&lt;/dt&gt;</strong></del></span> <span class="inserted"><ins><em>finishes.&lt;/dt&gt;</em></ins></span>
378
379&lt;dd&gt;Close the upload popup, make sure you are connected to the Internet, and try again. If
380that doesn't work, try again, selecting a different keyserver.&lt;/dd&gt;
381
382&lt;dt&gt;My key doesnt appear in the list&lt;/dt&gt;
383
384&lt;dd&gt;Try checking <span class="removed"><del><strong>Show Default Keys.&lt;/dd&gt;</strong></del></span> <span class="inserted"><ins><em>"Display All Keys by Default."&lt;/dd&gt;</em></ins></span>
385
386&lt;dt class="feedback"&gt;Don't see a solution to your problem?&lt;/dt&gt;
387
388&lt;dd class="feedback"&gt;Please let us know on the &lt;a
389href="https://libreplanet.org/wiki/GPG_guide/Public_Review"&gt;feedback page&lt;/a&gt;.&lt;/dd&gt;
390&lt;/dl&gt;
391
392&lt;/div&gt;&lt;!-- /.troubleshooting --&gt;
393&lt;/div&gt;&lt;!-- End .main --&gt;
394&lt;/div&gt;&lt;!-- End #step-2b .step --&gt;
395
396&lt;!-- ~~~~~~~~~ a div for each step ~~~~~~~~~ --&gt;
397&lt;div id="terminology" class="step"&gt;
398&lt;div class="main"&gt;
399
400&lt;h3&gt;GnuPG, OpenPGP, what?&lt;/h3&gt;
401
402<span class="removed"><del><strong>&lt;p&gt;You're using a program called GnuPG, but the menu in your email program is called
403OpenPGP. Confusing, right? In</strong></del></span>
404
405<span class="inserted"><ins><em>&lt;p&gt;In</em></ins></span> general, the terms GnuPG, GPG, GNU Privacy Guard, OpenPGP and PGP are used <span class="removed"><del><strong>interchangeably, though they all have slightly different meanings.&lt;/p&gt;</strong></del></span>
406<span class="inserted"><ins><em>interchangeably. Technically, OpenPGP (Pretty Good Privacy) is the encryption standard,
407and GNU Privacy Guard (often shortened to GPG or GnuPG) is the program that implements the
408standard. Enigmail is a plug-in program for your email program that provides an interface
409for GnuPG.&lt;/p&gt;</em></ins></span>
410
411&lt;/div&gt;&lt;!-- End .main --&gt;
412&lt;/div&gt;&lt;!-- End #terminology.step--&gt;
413&lt;/div&gt;&lt;/section&gt;&lt;!-- End #section2 --&gt;
414
415&lt;!-- ~~~~~~~~~ Section 3: Try it out ~~~~~~~~~ --&gt;
416&lt;section class="row" id="section3"&gt;&lt;div&gt;
417
418&lt;!-- ~~~~~~~~~ section introduction: interspersed text ~~~~~~~~~ --&gt;
419&lt;div class="section-intro"&gt;
420
421&lt;h2&gt;&lt;em&gt;#3&lt;/em&gt; Try it out!&lt;/h2&gt;
422
423&lt;p&gt;Now you'll try a test correspondence with a computer program named Edward, which knows
424how to use encryption. Except where noted, these are the same steps you'd follow when
425corresponding with a real, live person.&lt;/p&gt;
426
427&lt;/div&gt;&lt;!-- End .section-intro --&gt;
428
429&lt;!-- ~~~~~~~~~ a div for each step ~~~~~~~~~ --&gt;
430&lt;div id="step-3a" class="step"&gt;
431&lt;div class="sidebar"&gt;
432
433&lt;p&gt;&lt;img src="//static.fsf.org/nosvn/enc-dev0/img/en/screenshots/section3-try-it-out.png"
434alt="Try it out." /&gt;&lt;/p&gt;
435
436&lt;/div&gt;&lt;!-- /.sidebar --&gt;
437&lt;div class="main"&gt;
438
439&lt;h3&gt;&lt;em&gt;Step 3.a&lt;/em&gt; Send Edward your public key&lt;/h3&gt;
440
441&lt;p&gt;This is a special step that you won't have to do when corresponding with real people. In
442your email program's menu, go to <span class="removed"><del><strong>OpenPGP</strong></del></span> <span class="inserted"><ins><em>Enigmail</em></ins></span> &rarr; Key Management. You should see your key in
443the list that pops up. Right click on your key and select Send Public Keys by Email. This
444will create a new draft message, as if you had just hit the Write button.&lt;/p&gt;
445
446&lt;p&gt;Address the message to edward-en@fsf.org. Put at least one word (whatever you want)
447in the subject and body of the <span class="removed"><del><strong>email, then</strong></del></span> <span class="inserted"><ins><em>email. Then</em></ins></span> hit send.&lt;/p&gt;
448
449<span class="inserted"><ins><em>&lt;p&gt;There should be an icon of a yellow key in the bottom right of the composition
450window. This means that encryption is on, however, we want this first special message to
451Edward to be unencrypted. Click the key icon once to turn encryption off. The key should
452become grey, with a blue dot on it (to alert you that the setting has been changed from
453the default). Once encryption is off, hit Send.&lt;/p&gt;</em></ins></span>
454
455&lt;p class="notes"&gt;It may take two or three minutes for Edward to respond. In the meantime,
456you might want to skip ahead and check out the &lt;a href="#section5"&gt;Use it Well&lt;/a&gt; section
457of this guide. Once he's responded, head to the next step. From here on, you'll be doing
458just the same thing as when corresponding with a real person.&lt;/p&gt;
459
460<span class="inserted"><ins><em>&lt;p&gt;When you open Edward's reply, Enigmail may prompt you for your password before using
461your private key to decrypt it.&lt;/p&gt;</em></ins></span>
462
463&lt;/div&gt;&lt;!-- End .main --&gt;
464&lt;/div&gt;&lt;!-- End #step-3a .step --&gt;
465
466&lt;!-- ~~~~~~~~~ a div for each step ~~~~~~~~~ --&gt;
467&lt;div id="step-3b" class="step"&gt;
468&lt;div class="main"&gt;
469
470&lt;h3&gt;&lt;em&gt;Step 3.b&lt;/em&gt; Send a test encrypted email&lt;/h3&gt;
471
472&lt;p&gt;Write a new email in your email program, addressed to edward-en@fsf.org. Make the subject
473"Encryption test" or something similar and write something in the <span class="removed"><del><strong>body. Don't send it yet.&lt;/p&gt;
474
475&lt;p&gt;Click the icon of the</strong></del></span> <span class="inserted"><ins><em>body.&lt;/p&gt;
476
477&lt;p&gt;They</em></ins></span> key in the bottom right of the <span class="removed"><del><strong>composition</strong></del></span> window <span class="removed"><del><strong>(it</strong></del></span> should <span class="removed"><del><strong>turn
478yellow).</strong></del></span> <span class="inserted"><ins><em>be yellow, meaning encryption is
479on.</em></ins></span> This <span class="removed"><del><strong>tells Enigmail to encrypt the email.&lt;/p&gt;</strong></del></span> <span class="inserted"><ins><em>will be your default from now on.&lt;/p&gt;</em></ins></span>
480
481&lt;p class="notes"&gt;Next to the key, you'll notice an icon of a pencil. Clicking this tells
482Enigmail to add a special, unique signature to your message, generated using your private
483key. This is a separate feature from encryption, and you don't have to use it for this
484guide.&lt;/p&gt;
485
486&lt;p&gt;Click Send. Enigmail will pop up a window that says "Recipients not valid, not trusted
487or not found."&lt;/p&gt;
488
489&lt;p&gt;To encrypt an email to Edward, you need his public key, so now you'll have Enigmail
490download it from a keyserver. Click Download Missing Keys and use the default in the
491pop-up that asks you to choose a keyserver. Once it finds keys, check the first one (Key
492ID starting with C), then select ok. Select ok in the next pop-up.&lt;/p&gt;
493
494&lt;p&gt;Now you are back at the "Recipients not valid, not trusted or not found" screen. <span class="removed"><del><strong>Select</strong></del></span> <span class="inserted"><ins><em>Check
495the box in front of</em></ins></span> Edward's key <span class="removed"><del><strong>from the list</strong></del></span> and click <span class="removed"><del><strong>Ok. If</strong></del></span> <span class="inserted"><ins><em>Send.&lt;/p&gt;
496
497&lt;p class="notes"&gt;Since you encrypted this email with Edward's public key, Edward's private
498key is required to decrypt it. Edward is</em></ins></span> the <span class="removed"><del><strong>message doesn't send automatically,</strong></del></span> <span class="inserted"><ins><em>only one with his private key, so no one
499except him &mdash; not even</em></ins></span> you <span class="inserted"><ins><em>&mdash;</em></ins></span> can <span class="removed"><del><strong>hit send now.&lt;/p&gt;</strong></del></span> <span class="inserted"><ins><em>decrypt it.&lt;/p&gt;</em></ins></span>
500
501&lt;!-- ~~~~~~~~~ Troubleshooting ~~~~~~~~~ --&gt;
502&lt;div class="troubleshooting"&gt;
503
504&lt;h4&gt;Troubleshooting&lt;/h4&gt;
505
506&lt;dl&gt;
507&lt;dt&gt;Enigmail can't find Edward's key&lt;/dt&gt;
508
509&lt;dd&gt;Close the pop-ups that have appeared since you <span class="removed"><del><strong>clicked.</strong></del></span> <span class="inserted"><ins><em>clicked Send.</em></ins></span> Make sure you are connected
510to the Internet and try again. If that doesn't work, repeat the process, choosing a
511different keyserver when it asks you to pick one.&lt;/dd&gt;
512
513&lt;dt class="feedback"&gt;Don't see a solution to your problem?&lt;/dt&gt;
514
515&lt;dd class="feedback"&gt;Please let us know on the &lt;a
516href="https://libreplanet.org/wiki/GPG_guide/Public_Review"&gt;feedback page&lt;/a&gt;.&lt;/dd&gt;
517&lt;/dl&gt;
518
519&lt;/div&gt;&lt;!-- /.troubleshooting --&gt;
520&lt;/div&gt;&lt;!-- End .main --&gt;
521&lt;/div&gt;&lt;!-- End #step-3b .step --&gt;
522
523&lt;!-- ~~~~~~~~~ a div for each step ~~~~~~~~~ --&gt;
524&lt;div id="step-headers_unencrypted" class="step"&gt;
525&lt;div class="main"&gt;
526
527&lt;h3&gt;&lt;em&gt;Important:&lt;/em&gt; Security tips&lt;/h3&gt;
528
529&lt;p&gt;Even if you encrypted your email, the subject line is not encrypted, so don't put
530private information there. The sending and receiving addresses aren't encrypted either,
531so they could be read by a surveillance system. When you send attachments, Enigmail will
532give you an option of whether you want to encrypt them.&lt;/p&gt;
533
534<span class="removed"><del><strong>&lt;p&gt;It's also good practice to click the key icon in your email composition window
535&lt;strong&gt;before&lt;/strong&gt; you start to write. Otherwise, your email client could save an
536unencrypted draft on the mail server, potentially exposing it to snooping.&lt;/p&gt;</strong></del></span>
537
538&lt;/div&gt;&lt;!-- End .main --&gt;
539&lt;/div&gt;&lt;!-- End #step-headers_unencrypted .step--&gt;
540
541&lt;!-- ~~~~~~~~~ a div for each step ~~~~~~~~~ --&gt;
542&lt;div id="step-3c" class="step"&gt;
543&lt;div class="main"&gt;
544
545&lt;h3&gt;&lt;em&gt;Step 3.c&lt;/em&gt; Receive a response&lt;/h3&gt;
546
547&lt;p&gt;When Edward receives your email, he will use his private key to decrypt it, then <span class="removed"><del><strong>fetch</strong></del></span> <span class="inserted"><ins><em>use</em></ins></span>
548your public key <span class="removed"><del><strong>from a keyserver and use it</strong></del></span> <span class="inserted"><ins><em>(which you sent him in &lt;a href="#step-3a"&gt;Step 3.A&lt;/a&gt;)</em></ins></span> to encrypt <span class="removed"><del><strong>a response</strong></del></span> <span class="inserted"><ins><em>his
549reply</em></ins></span> to you.&lt;/p&gt;
550
551&lt;p <span class="removed"><del><strong>class="notes"&gt;Since you encrypted this email with Edward's public key, Edward's private
552key is required to decrypt it. Edward is the only one with his private key, so no one
553except him &mdash; not even you &mdash; can decrypt it.&lt;/p&gt;
554
555&lt;p</strong></del></span> class="notes"&gt;It may take two or three minutes for Edward to respond. In the meantime,
556you might want to skip ahead and check out the &lt;a href="#section5"&gt;Use it Well&lt;/a&gt; section
557of this guide.&lt;/p&gt;
558
559&lt;p&gt;When you receive Edward's email and open it, Enigmail will automatically detect that
560it is encrypted with your public key, and then it will use your private key to decrypt it.&lt;/p&gt;
561
562&lt;p&gt;Notice the bar that Enigmail shows you above the message, with information about the
563status of Edward's key.&lt;/p&gt;
564
565&lt;/div&gt;&lt;!-- End .main --&gt;
566&lt;/div&gt;&lt;!-- End #step-3c .step --&gt;
567
568&lt;!-- STEP 3D IS COMMENTED OUT UNTIL WE FIND A WAY TO VALIDATE SIGNATURES &lt;div id="step-3d"
569class="step"&gt;
570&lt;div class="main"&gt;
571
572&lt;h3&gt;&lt;em&gt;Step 3.d&lt;/em&gt; Send a test signed email to a friend&lt;/h3&gt;
573
574&lt;p&gt;Write a new email in your email program, addressed to a friend. If you want, tell them
575about this guide!&lt;/p&gt;
576
577&lt;p&gt;Before sending the email, click the icon of the pencil in the bottom right of the
578composition window (it should turn yellow). This tells Enigmail to sign the email with
579you private key.&lt;/p&gt;
580
581&lt;p&gt;After you click send, Enigmail will ask you for your password. It will do this any time
582it needs to use your public key.&lt;/p&gt;
583
584&lt;/div&gt;
585&lt;/div&gt;--&gt;
586&lt;/div&gt;&lt;/section&gt;&lt;!-- End #section3 --&gt;
587
588&lt;!-- ~~~~~~~~~ Section 4: Learn the Web of Trust ~~~~~~~~~ --&gt;
589&lt;section class="row" id="section4"&gt;&lt;div&gt;
590
591&lt;!-- ~~~~~~~~~ section introduction: interspersed text ~~~~~~~~~ --&gt;
592&lt;div class="section-intro"&gt;
593
594&lt;h2&gt;&lt;em&gt;#4&lt;/em&gt; Learn the Web of Trust&lt;/h2&gt;
595
596&lt;p&gt;Email encryption is a powerful technology, but it has a weakness; it requires a way to
597verify that a person's public key is actually theirs. Otherwise, there would be no way to
598stop an attacker from making an email address with your friend's name, creating keys to
599go with it and impersonating your friend. That's why the free software programmers that
600developed email encryption created keysigning and the Web of Trust.&lt;/p&gt;
601
602&lt;p&gt;When you sign someone's key, you are publicly saying that you trust that it does belong
603to them and not an impostor. People who use your public key can see the number of signatures
604it has. Once you've used GnuPG for a long time, you may have hundreds of signatures. The
605Web of Trust is the constellation of all GnuPG users, connected to each other by chains of
606trust expressed through signatures, forming a giant network. The more signatures a key has,
607and the more signatures its signers' keys have, the more trustworthy that key is.&lt;/p&gt;
608
609&lt;p&gt;People's public keys are usually identified by their key fingerprint, which is a string
610of digits like F357AA1A5B1FA42CFD9FE52A9FF2194CC09A61E8 (for Edward's key). You can see the
611fingerprint for your public key, and other public keys saved on your computer, by going to <span class="removed"><del><strong>OpenPGP</strong></del></span>
612<span class="inserted"><ins><em>Enigmail</em></ins></span> &rarr; Key Management in your email program's menu, then right clicking on the
613key and choosing Key Properties. It's good practice to share your fingerprint wherever
614you share your email address, so that people can double-check that they have the correct
615public key when they download yours from a keyserver.&lt;/p&gt;
616
617&lt;p class="notes"&gt;You may also see public keys referred to by their key ID, which is simply
618the last 8 digits of the fingerprint, like C09A61E8 for Edward. The key ID is visible
619directly from the Key Management <span class="removed"><del><strong>Window.</strong></del></span> <span class="inserted"><ins><em>window.</em></ins></span> This key ID is like a person's first name (it is
620a useful shorthand but may not be unique to a given key), whereas the fingerprint actually
621identifies the key uniquely without the possibility of confusion. If you only have the key
622ID, you can still look up the key (as well as its fingerprint), like you did in Step 3,
623but if multiple options appear, you'll need the fingerprint of the person to whom are
624trying to communicate to verify which one to use.&lt;/p&gt;
625
626&lt;/div&gt;&lt;!-- End .section-intro --&gt;
627
628&lt;!-- ~~~~~~~~~ a div for each step ~~~~~~~~~ --&gt;
629&lt;div id="step-4a" class="step"&gt;
630&lt;div class="sidebar"&gt;
631
632&lt;p&gt;&lt;img src="//static.fsf.org/nosvn/enc-dev0/img/en/screenshots/section4-web-of-trust.png"
633alt="Section 4: Web of Trust" /&gt;&lt;/p&gt;
634
635&lt;/div&gt;&lt;!-- /.sidebar --&gt;
636&lt;div class="main"&gt;
637
638&lt;h3&gt;&lt;em&gt;Step 4.a&lt;/em&gt; Sign a key&lt;/h3&gt;
639
640&lt;p&gt;In your email program's menu, go to <span class="removed"><del><strong>OpenPGP</strong></del></span> <span class="inserted"><ins><em>Enigmail</em></ins></span> &rarr; Key Management.&lt;/p&gt;
641
642&lt;p&gt;Right click on Edward's public key and select Sign Key from the context menu.&lt;/p&gt;
643
644&lt;p&gt;In the window that pops up, select "I will not answer" and click ok.&lt;/p&gt;
645
646<span class="removed"><del><strong>&lt;p&gt;In your email program's menu, go to OpenPGP &rarr;</strong></del></span>
647
648<span class="inserted"><ins><em>&lt;p&gt;Now you should be back at the</em></ins></span> Key Management <span class="removed"><del><strong>&rarr;</strong></del></span> <span class="inserted"><ins><em>menu. Select</em></ins></span> Keyserver &rarr; Upload Public
649Keys and hit ok.&lt;/p&gt;
650
651&lt;p class="notes"&gt;You've just effectively said "I trust that Edward's public key actually
652belongs to Edward." This doesn't mean much because Edward isn't a real person, but it's
653good practice.&lt;/p&gt;
654
655&lt;!--&lt;div id="pgp-pathfinder"&gt;
656
657&lt;form enctype="application/x-www-form-urlencoded" action="/mk_path.cgi" method="get"&gt;
658
659&lt;p&gt;&lt;strong&gt;From:&lt;/strong&gt;
660&lt;input type="text" placeholder="xD41A008" name="FROM"&gt;&lt;/p&gt;
661
662&lt;p&gt;&lt;strong&gt;To:&lt;/strong&gt;
663&lt;input type="text" placeholder="50BD01x4" name="TO"&gt;&lt;/p&gt;
664
665&lt;p class="buttons"&gt;&lt;input type="submit" value="trust paths" name="PATHS"&gt;
666&lt;input type="reset" value="reset" name=".reset"&gt;&lt;/p&gt;
667
668&lt;/form&gt;
669
670&lt;/div&gt;&lt;!-- End #pgp-pathfinder --&gt;
671&lt;/div&gt;&lt;!-- End .main --&gt;
672&lt;/div&gt;&lt;!-- End #step-4a .step --&gt;
673
674&lt;!-- ~~~~~~~~~ a div for each step ~~~~~~~~~ --&gt;
675&lt;div id="step-sign_real_keys" class="step"&gt;
676&lt;div class="main"&gt;
677
678&lt;h3&gt;&lt;em&gt;Important:&lt;/em&gt; check people's identification before signing their keys&lt;/h3&gt;
679
680&lt;p&gt;Before signing a real person's key, always make sure it actually belongs to them, and
681that they are who they say they are. Ask them to show you their ID (unless you trust them
682very highly) and their public key fingerprint -- not just the shorter public key ID, which
683could refer to another key as well. In Enigmail, answer honestly in the window that pops
684up and asks "How carefully have you verified that the key you are about to sign actually
685belongs to the person(s) named above?".&lt;/p&gt;
686
687&lt;/div&gt;&lt;!-- End .main --&gt;
688&lt;/div&gt;&lt;!-- End #step-sign_real_keys .step--&gt;
689&lt;/div&gt;&lt;/section&gt;&lt;!-- End #section4 --&gt;
690
691&lt;!-- ~~~~~~~~~ Section 5: Use it well ~~~~~~~~~ --&gt;
692&lt;section id="section5" class="row"&gt;&lt;div&gt;
693
694&lt;!-- ~~~~~~~~~ section introduction: interspersed text ~~~~~~~~~ --&gt;
695&lt;div class="section-intro"&gt;
696
697&lt;h2&gt;&lt;em&gt;#5&lt;/em&gt; Use it well&lt;/h2&gt;
698
699&lt;p&gt;Everyone uses GnuPG a little differently, but it's important to follow some basic
700practices to keep your email secure. Not following them, you risk the privacy of the people
701you communicate with, as well as your own, and damage the Web of Trust.&lt;/p&gt;
702
703&lt;/div&gt;&lt;!-- End .section-intro --&gt;
704
705&lt;!-- ~~~~~~~~~ a div for each step ~~~~~~~~~ --&gt;
706&lt;div id="step-5a" class="step"&gt;
707&lt;div class="sidebar"&gt;
708
709&lt;p&gt;&lt;img src="//static.fsf.org/nosvn/enc-dev0/img/en/screenshots/section5-01-use-it-well.png"
710alt="Section 5: Use it Well" /&gt;&lt;/p&gt;
711
712&lt;/div&gt;&lt;!-- /.sidebar --&gt;
713&lt;div class="main"&gt;
714
715&lt;h3&gt;When should I encrypt?&lt;/h3&gt;
716
717&lt;p&gt;The more you can encrypt your messages, the better. If you only encrypt emails
718occasionally, each encrypted message could raise a red flag for surveillance systems. If all
719or most of your email is encrypted, people doing surveillance won't know where to start.&lt;/p&gt;
720
721&lt;p&gt;That's not to say that only encrypting some of your email isn't helpful -- it's a great
722start and it makes bulk surveillance more difficult.&lt;/p&gt;
723
724&lt;/div&gt;&lt;!-- End .main --&gt;
725&lt;/div&gt;&lt;!-- End #step-5a .step --&gt;
726
727&lt;!-- ~~~~~~~~~ a div for each step ~~~~~~~~~ --&gt;
728&lt;div id="step-5b" class="step"&gt;
729&lt;div class="sidebar"&gt;
730
731&lt;p&gt;&lt;img src="//static.fsf.org/nosvn/enc-dev0/img/en/screenshots/section5-02-use-it-well.png"
732alt="Section 5: Use it Well" /&gt;&lt;/p&gt;
733
734&lt;/div&gt;&lt;!-- /.sidebar --&gt;
735&lt;div class="main"&gt;
736
737&lt;h3&gt;&lt;em&gt;Important:&lt;/em&gt; Be wary of invalid keys&lt;/h3&gt;
738
739&lt;p&gt;GnuPG makes email safer, but it's still important to watch out for invalid keys, which
740might have fallen into the wrong hands. Email encrypted with invalid keys might be readable
741by surveillance programs.&lt;/p&gt;
742
743&lt;p&gt;In your email program, go back to the second email that Edward sent you. Because Edward
744encrypted it with your public key, it will have a message from <span class="removed"><del><strong>OpenPGP</strong></del></span> <span class="inserted"><ins><em>Enigmail</em></ins></span> at the top, which
745most likely says <span class="removed"><del><strong>"OpenPGP:</strong></del></span> <span class="inserted"><ins><em>"Enigmail:</em></ins></span> Part of this message encrypted."&lt;/p&gt;
746
747&lt;p&gt;&lt;b&gt;When using GnuPG, make a habit of glancing at that bar. The program will warn you
748there if you get an email encrypted with a key that can't be trusted.&lt;/b&gt;&lt;/p&gt;
749
750&lt;/div&gt;&lt;!-- End .main --&gt;
751&lt;/div&gt;&lt;!-- End #step-5b .step --&gt;
752
753&lt;!-- ~~~~~~~~~ a div for each step ~~~~~~~~~ --&gt;
754&lt;div id="step-5c" class="step"&gt;
755&lt;div class="main"&gt;
756
757&lt;h3&gt;Copy your revocation certificate to somewhere safe&lt;/h3&gt;
758
759&lt;p&gt;Remember when you created your keys and saved the revocation certificate that GnuPG
760made? It's time to copy that certificate onto the safest digital storage that you have --
761the ideal thing is a flash drive, disk, or hard drive stored in a safe place in your home.&lt;/p&gt;
762
763&lt;p&gt;If your private key ever gets lost or stolen, you'll need this certificate file to let
764people know that you are no longer using that keypair.&lt;/p&gt;
765
766&lt;/div&gt;&lt;!-- End .main --&gt;
767&lt;/div&gt;&lt;!-- End #step-5c .step --&gt;
768
769&lt;!-- ~~~~~~~~~ a div for each step ~~~~~~~~~ --&gt;
770&lt;div id="step-lost_key" class="step"&gt;
771&lt;div class="main"&gt;
772
773&lt;h3&gt;&lt;em&gt;Important:&lt;/em&gt; act swiftly if someone gets your private key&lt;/h3&gt;
774
775&lt;p&gt;If you lose your private key or someone else gets ahold of it (say, by stealing or
776cracking your computer), it's important to revoke it immediately before someone else uses
777it to read your encrypted email. This guide doesn't cover how to revoke a key, but you
778can follow the &lt;a href="https://www.gnupg.org/gph/en/manual.html#AEN305"&gt;instructions on
779the GnuPG site&lt;/a&gt;. After you're done revoking, send an email to everyone with whom you
780usually use your key to make sure they know.&lt;/p&gt;
781
782&lt;/div&gt;&lt;!-- End .main --&gt;
783&lt;/div&gt;&lt;!-- End #step-lost_key .step--&gt;
784
785&lt;!-- ~~~~~~~~~ a div for each step ~~~~~~~~~
786&lt;div id="step-5d" class="step"&gt;
787&lt;div class="main"&gt;
788
789&lt;h3&gt;Make your public key part of your online identity&lt;/h3&gt;
790
791&lt;p&gt; First add your public key fingerprint to your email signature, then compose an email
792to at least five of your friends, telling them you just set up GnuPG and mentioning your
793public key fingerprint. Link to this guide and ask them to join you. Don't forget that
794there's also an awesome &lt;a href="infographic.html"&gt;infographic to share.&lt;/a&gt;&lt;/p&gt;
795
796&lt;p class="notes"&gt;Start writing your public key fingerprint anywhere someone would see
797your email address: your social media profiles, blog, Website, or business card. (At the
798Free Software Foundation, we put ours on our &lt;a href="https://fsf.org/about/staff"&gt;staff
799page&lt;/a&gt;.) We need to get our culture to the point that we feel like something is missing
800when we see an email address without a public key fingerprint.&lt;/p&gt;
801
802&lt;/div&gt;&lt;!-- End .main <span class="removed"><del><strong>&lt;/div&gt;&lt;!--</strong></del></span> <span class="inserted"><ins><em>&lt;/div&gt;</em></ins></span> End #step-5d .step--&gt;
803&lt;/div&gt;&lt;/section&gt;&lt;!-- End #section5 --&gt;
804
805&lt;!-- ~~~~~~~~~ Section 6: Next steps ~~~~~~~~~ --&gt;
806&lt;section class="row" id="section6"&gt;
807&lt;div id="step-click_here" class="step"&gt;
808&lt;div class="main"&gt;
809
810&lt;h2&gt;&lt;a href="next_steps.html"&gt;Great job! Check out the next steps.&lt;/a&gt;&lt;/h2&gt;
811
812&lt;/div&gt;&lt;!-- End .main --&gt;
813&lt;/div&gt;&lt;!-- End #step-click_here .step--&gt;
814&lt;/section&gt;&lt;!-- End #section6 --&gt;
815
816&lt;!-- ~~~~~~~~~ FAQ ~~~~~~~~~ --&gt;
817&lt;!-- When un-commenting this section go to main.css and search for /* Guide Sections
818Background */ then add #faq to the desired color
819&lt;section class="row" id="faq"&gt;&lt;div&gt;
820&lt;div class="sidebar"&gt;
821
822&lt;h2&gt;FAQ&lt;/h2&gt;
823
824&lt;/div&gt;
825&lt;div class="main"&gt;
826
827&lt;dl&gt;
828&lt;dt&gt;My key expired&lt;/dt&gt;
829
830&lt;dd&gt;Answer coming soon.&lt;/dd&gt;
831
832&lt;dt&gt;Who can read encrypted messages? Who can read signed ones?&lt;/dt&gt;
833
834&lt;dd&gt;Answer coming soon.&lt;/dd&gt;
835
836&lt;dt&gt;My email program is opening at times I don't want it to open/is now my default program
837and I don't want it to be.&lt;/dt&gt;
838
839&lt;dd&gt;Answer coming soon.&lt;/dd&gt;
840&lt;/dl&gt;
841
842&lt;/div&gt;
843&lt;/div&gt;
844&lt;/section&gt; --&gt;&lt;!-- End #faq --&gt;
845
846&lt;!-- ~~~~~~~~~ Footer ~~~~~~~~~ --&gt;
847&lt;footer class="row" id="footer"&gt;&lt;div&gt;
848&lt;div id="copyright"&gt;
849
850&lt;h4&gt;&lt;a href="https://u.fsf.org/ys"&gt;&lt;img
851alt="Free Software Foundation" src="//static.fsf.org/nosvn/enc-dev0/img/fsf-logo.png"
852/&gt;&lt;/a&gt;&lt;/h4&gt;
853
854&lt;p&gt;Copyright &copy; 2014 &lt;a href="https://u.fsf.org/ys"&gt;Free Software Foundation&lt;/a&gt;,
855Inc. &lt;a href="https://my.fsf.org/donate/privacypolicy.html"&gt;Privacy Policy&lt;/a&gt;. &lt;a
856href="https://u.fsf.org/yr"&gt;Join.&lt;/a&gt;&lt;/p&gt;
857
858&lt;p&gt;&lt;em&gt;Version <span class="removed"><del><strong>2.1.</strong></del></span> <span class="inserted"><ins><em>3.0.</em></ins></span> &lt;a
859href="http://agpl.fsf.org/emailselfdefense.fsf.org/edward/CURRENT/edward.tar.gz"&gt;Source
860code of Edward reply bot by Josh Drake &lt;zamnedix@gnu.org&gt; available under the GNU
861General Public License.&lt;/a&gt;&lt;/em&gt;&lt;/p&gt;
862
863&lt;p&gt;The images on this page are under a &lt;a
864href="https://creativecommons.org/licenses/by/4.0/"&gt;Creative Commons
865Attribution 4.0 license (or later version)&lt;/a&gt;, and the rest of it is under
866a &lt;a href="https://creativecommons.org/licenses/by-sa/4.0"&gt;Creative Commons
867Attribution-ShareAlike 4.0 license (or later version)&lt;/a&gt;. &mdash; &lt;a
868href="http://www.gnu.org/licenses/license-list.html#OtherLicenses"&gt;Why these licenses?&lt;/a&gt;&lt;/p&gt;
869
870&lt;p&gt;Download the source package for &lt;a href="emailselfdefense_source.zip"&gt;this
871guide&lt;/a&gt;. Fonts used in the guide &amp; infographic: &lt;a
872href="https://www.google.com/fonts/specimen/Dosis"&gt;Dosis&lt;/a&gt; by Pablo Impallari, &lt;a
873href="http://www.google.com/fonts/specimen/Signika"&gt;Signika&lt;/a&gt; by Anna Giedry&#347;, &lt;a
874href="http://www.google.com/fonts/specimen/Archivo+Narrow"&gt;Archivo Narrow&lt;/a&gt; by Omnibus-Type,
875&lt;a href="http://www.thegopherarchive.com/gopher-files-hacks-pxl2000-119351.htm"&gt;PXL-2000&lt;/a&gt;
876by Florian Cramer.&lt;/p&gt;
877
878&lt;p&gt; &lt;a href="//weblabels.fsf.org/emailselfdefense.fsf.org/" rel="jslicense"&gt; JavaScript
879license information &lt;/a&gt; &lt;/p&gt;
880
881&lt;/div&gt;&lt;!-- /#copyright --&gt;
882
883&lt;p class="credits"&gt; Infographic and guide design by &lt;a rel="external"
884href="http://jplusplus.org"&gt;&lt;strong&gt;Journalism++&lt;/strong&gt; &lt;img
885src="//static.fsf.org/nosvn/enc-dev0/img/jplusplus.png"
886alt="Journalism++" /&gt;&lt;/a&gt; &lt;/p&gt;&lt;!-- /.credits --&gt;
887
888&lt;/div&gt;&lt;/footer&gt;&lt;!-- End #footer --&gt;
889</pre></body></html>