From e91bc017579a01106a858cb532f6bed0799d7bd6 Mon Sep 17 00:00:00 2001 From: Adam Leibson Date: Wed, 19 Aug 2015 14:05:54 -0400 Subject: [PATCH] commit --- en/index.html | 39 ++++++++++++++++----------------------- en/next_steps.html | 13 +++++++++++++ 2 files changed, 29 insertions(+), 23 deletions(-) diff --git a/en/index.html b/en/index.html index c4331897..390b079d 100644 --- a/en/index.html +++ b/en/index.html @@ -92,7 +92,7 @@

View & share our infographic → - 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 scrambed to make sure a surveillance agent or thief intercepting your email can't read it. All you need is a computer with an Internet connection, an email account, and about half an hour.

+ 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 scrambed to make sure a surveillance agent or thief intercepting your email can't read it. All you need is a computer with an Internet connection, an email account, about forty minutes and five dice (optional, but recommended).

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.

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Step 1.a Setup your email program with your email account

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Open your email program and follow the wizard (step-by-step walkthrough) that sets it up with your email account. Look for the letters SSL, TLS, or STARTTLS to the right of the servers when you're setting up your account. If you don't see them, you will still be able to use encryption, but this means that the people running your email system are running behind the industry standard in protecting your security and privacy. We recommend that you send them a friendly email asking them to enable SSL, TLS, or STARTTLS for your email server.

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Open your email program and follow the wizard (step-by-step walkthrough) that sets it up with your email account. Look for the letters SSL, TLS, or STARTTLS to the right of the servers when you're setting up your account. If you don't see them, you will still be able to use encryption, but this means that the people running your email system are running behind the industry standard in protecting your security and privacy. We recommend that you send them a friendly email asking them to enable SSL, TLS, or STARTTLS for your email server. They will know what you're talking about, so it's worth making the request even if you aren't an expert on these security systems.

Troubleshooting

The wizard doesn't launch
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You can launch the wizard yourself, but the menu option for doing so is named differently in each email programs. The button to launch it will be in the program's main menu, under "New" or something similar, titled something like "Add account" or "New/Existing email account."
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You can launch the wizard yourself, but the menu option for doing so is named differently in each email program. The button to launch it will be in the program's main menu, under "New" or something similar, titled something like "Add account" or "New/Existing email account."
The wizard can't find my account or isn't downloading my mail
Before searching the Web, we recommend you start by asking other people who use your email system, to figure out the correct settings.
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Step 1.c Gather dice

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In the next step, you will need to come up with a secure password. To do that, we recommend that you use dice. The process will be easier for you if you have five dice, but one die will also work.

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#2 Make your keys

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.

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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.

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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 a phonebook; people who want to send you encrypted email can look up your public key.

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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 descramble encrypted emails other people send to you. In addition to encryption and decryption, you can also use these keys to sign messages and check the authenticity of other people's signatures. This process helps stop impersonators. We'll discuss this more on the next section.

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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 descramble encrypted emails other people send to you.

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In addition to encryption and decryption, you can also use these keys to sign messages and check the authenticity of other people's signatures. This process helps stop impersonators. We'll discuss this more in the next section.

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Step 2.a Make a keypair

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The Enigmail Setup wizard may start automatically. If it doesn't, select Enigmail → Setup Wizard from your email program's menu. 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. Click Next with the default options selected, except in these instances:

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The Enigmail Setup wizard may start automatically. If it doesn't, select Enigmail → Setup Wizard from your email program's menu. 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. Click Next with the default options selected, except in these instances, which are listed in the order they appear:

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.

When the "Key Generation Completed" 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). This step is essential for your email self-defense, as you'll learn more about in Section 5.

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Command line key generation
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If you prefer using the command line for a higher degree of control, you can follow the documentation from The GNU Privacy Handbook. Make sure you stick with "RSA and RSA" (the default), because it's newer and more secure than the algorithms recommended documentation. Also make sure your key is at least 2048 bits, or 4096 if you really want to be secure.
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If you prefer using the command line for a higher degree of control, you can follow the documentation from The GNU Privacy Handbook. Make sure you stick with "RSA and RSA" (the default), because it's newer and more secure than the algorithms the documentation recommendeds. Also make sure your key is at least 2048 bits, or 4096 if you really want to be secure.
Advanced key pairs
When GnuPG creates a new keypair, it compartmentalizes the encryption function from the signing function through subkeys. If you use subkeys carefully, you can keep your GnuPG identity much more secure and recover from a compromised key much more quickly. Alex Cabal and the Debian wiki provide good guides for setting up a secure subkey configuration.
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Troubleshooting

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The progress bar never finishes.
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The progress bar never finishes
Close the upload popup, make sure you are connected to the Internet, and try again. If that doesn't work, try again, selecting a different keyserver.
My key doesnt appear in the list
Try checking "Display All Keys by Default."
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Advanced

Uploading a key from the command line
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You can also upload your keys to a keyserver through the command line. This webpage maintains a list highly interconnected keyservers. You can also directly export your key as a file on your computer.
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You can also upload your keys to a keyserver through the command line. The sks Web site maintains a list highly interconnected keyservers. You can also directly export your key as a file on your computer.
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Step 3.b Send a test encrypted email

Write a new email in your email program, addressed to edward-en@fsf.org. Make the subject "Encryption test" or something similar and write something in the body.

The key in the bottom right of the window should be yellow, meaning encryption is on. This will be your default from now on.

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Next to the key, you'll notice an icon of a pencil. Clicking this tells Enigmail to add a special, unique 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.

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Next to the key, you'll notice an icon of a pencil. We'll get to this in a moment.

Click Send. Enigmail will pop up a window that says "Recipients not valid, not trusted or not found."

To encrypt an email to Edward, you need his public key, 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 C), then select ok. Select ok in the next pop-up.

Now you are back at the "Recipients not valid, not trusted or not found" screen. Check the box in front of Edward's key and click Send.

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Since you encrypted this email with Edward's public key, Edward's private key is required to decrypt it. Edward is the only one with his private key, so no one except him — not even you — can decrypt it.

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Since you encrypted this email with Edward's public key, Edward's private key is required to decrypt it. Edward is the only one with his private key, so no one except him can decrypt it. Even you can't decrypt it, but your email program will automatically save a copy encrypted with your public key instead of Edwards, which you'll be able to view from the Sent folder like a normal email.

Troubleshooting

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Step 3.d Send a test signed email to a friend

GnuPG includes a way for you to sign messages and files, verifying that they came from you and that they weren't tampered with along the way. These signatures are stronger than their pen-and-paper cousins -- they're impossible to forge, because they're impossible to create without your private key (another reason to keep your private key safe).

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You can sign messages to anyone (including people who haven't created their own keypair!) so it's a great way to promote GnuPG. To sign an email to a friend, click the pencil icon next to the lock icon so that it turns gold.If you sign a message, Enigmail will ask you for your password before it sends the message off. I will do this every time it needs to use your private key.

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You can sign messages to anyone (including people who haven't created their own keypair!) so it's a great way to promote GnuPG. To sign an email to a friend, click the pencil icon next to the lock icon so that it turns gold. If you sign a message, Enigmail will ask you for your password before it sends the message off. It will do this every time it needs to use your private key.

When the pencil is gold but the lock is grey, the email will be signed but not encrypted. When the pencil is grey and the lock is gold, the email will be encrypted but not signed. When they're both gold, the email will be signed and encrypted.

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Identifying keys: Fingerprints and IDs

People's public keys are usually identified by their key fingerprint, which is a string of digits like F357AA1A5B1FA42CFD9FE52A9FF2194CC09A61E8 (for Edward's key). You can see the fingerprint for your public key, and other public keys saved on your computer, by going to Enigmail → Key Management in your email program's menu, then right clicking on the key and choosing Key Properties. It's good practice to share your fingerprint wherever you share your email address, so that people can double-check that they have the correct public key when they download yours from a keyserver.

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You may also see public keys referred to by their key ID, which is simply the last 8 digits of the fingerprint, like C09A61E8 for Edward. The key ID is visible directly from the Key Management window. This key ID is like a person's first name (it is a useful shorthand but may not be unique to a given key), whereas the fingerprint actually identifies the key uniquely without the possibility of confusion. If you only have the key ID, you can still look up the key (as well as its fingerprint), like you did in Step 3, but if multiple options appear, you'll need the fingerprint of the person to whom you are trying to communicate to verify which one to use.

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You may also see public keys referred to by their key ID, which is simply the last eight digits of the fingerprint, like C09A61E8 for Edward. The key ID is visible directly from the Key Management window. This key ID is like a person's first name (it is a useful shorthand but may not be unique to a given key), whereas the fingerprint actually identifies the key uniquely without the possibility of confusion. If you only have the key ID, you can still look up the key (as well as its fingerprint), like you did in Step 3, but if multiple options appear, you'll need the fingerprint of the person to whom you are trying to communicate to verify which one to use.

diff --git a/en/next_steps.html b/en/next_steps.html index 0f524be1..b84a7f47 100644 --- a/en/next_steps.html +++ b/en/next_steps.html @@ -27,6 +27,19 @@
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Optional: Protect Your Privacy with Tor

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The Onion Router (Tor) network wraps Internet communication in multiple layers of encryption and bounces it around the world several times. When used properly, Tor confuses surveillance field agents and the global surveillance apparatus alike. To have your email program send and receive email over Tor, install the Torbirdy plugin the same way you installed Enigmail, by searching for it through Add-ons.

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Before beginning to check your email over Tor, make sure you understand the security tradeoffs involved. This infographic demonstrates how Tor keeps you secure. +

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#6 Next steps

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