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Rewrite & add further info to the FAQ

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The FAQ contained a bunch of typos and inaccurate information. Hopefully, this should fix both problems.
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iceTwy 2013-10-03 23:36:30 +02:00
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zerobin/views/faq.tpl
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<hr width="90%">
<dl>
<dt>How does it work?</dt>
<dt>How does 0bin work?</dt>
<dd>
<p>We generate a random key, and encrypt the paste with it using
<p>A random key is generated and used to encrypt the paste, thanks to
the <a href="http://crypto.stanford.edu/sjcl/">sjcl</a>
javascript library.</p>
<p>The content is sent encrypted to the server, which returns the
JavaScript library.</p>
<p>The encrypted content is then sent to the server, which returns the
address of the newly created paste.</p>
<p>The javascript code then redirects to this address, but it adds the
<p>The JavaScript code redirects to this address, but it adds the
encryption key in the URL hash (#).</p>
<p>When somebody want to read the paste, he usually just click on a link
with this URL. If the hash containing the key is part of it, Obin's
javascript will use it to decrypt the content sent by the server.</p>
<p>The browser never sends the hash to the server, so it does not
receives the key.</p>
<p>When somebody wants to read the paste, they will usually click on a link
with this URL. If the hash containing the key is a part of it, 0bin's
JavaScript will use it to decrypt the content sent by the server.</p>
<p>The browser never sends the hash to the server, so the latter does not
receives the key at any time.</p>
</dd>
<dt>Javascript encryption is not secure!</dt>
<dt>But JavaScript encryption is not secure!</dt>
<dd>
<p>No it's not.</p>
<p>The goal of 0bin is <strong>not</strong> to protect the users
or their secrets.</p>
<p>The goal is to make it hard to sue the host because of the
content users pasted in his service. The idea is that you can not
require somebody to moderate something he can't read</p>
<p>No, it isn't.</p>
<p>The goal of 0bin is <strong>not</strong> to protect the user and their data
(including, obviously, their secrets).</p>
<p>Instead, it aims to protect the host from being sued for the
content users pasted on the pastebin. The idea is that you cannot
require somebody to moderate something they cannot read - as such,
the host is granted plausible deniability.</p>
<p>Remember that as an user, you should use 0bin in the same way as unencrypted and
insecure pastebins - that is, with caution. The only difference with those is that if
you decide to host a 0bin server, the encryption feature hopefully be used as a defense.
This is not proven, though! :-)
</dd>
<dt>What if the server changes the Javascript code? Or in the case of a man
in the middle attack?</dt>
<dt>What if the server changes the JavaScript code? And what happens in the case of a <a href="https://en.wikipedia.org/wiki/Man-in-the-middle_attack">MITM attack</a>?</dt>
<dd>
<p>Read above.</p>
<p>0bin the is not built to protect the users content. It is built to
protect the host. If the user content is compromised, 0bin still
provides the host with the main feature: ignorance of the hosted content.</p>
<p>The case where the host himself compromises the encryption process
to read the content makes no sense: in that case he wouldn't have
installed 0bin in the first place. 0bin is here to protect him.</p>
<p><strong>If you want to be sure nobody can read your content, you should
not use 0bin</strong>. Use
<a href="https://crypto.cat/">cryptocat</a> (but JS crypto warnings apply)
or <a href="http://www.cypherpunks.ca/otr/">OTR</a> for chatting,
<a href="http://gnupg.org/">GPG</a>/<a href="http://enigmail.mozdev.org/home/index.php.html">enignmail</a>
<p>0bin is not built, and does not aim, to protect user data - but rather the host.
If any user data is compromised, 0bin still provides the host with
plausible deniability (as they ignore the content of the pastes).</p>
<p>It would make no sense if the host was to compromise the encryption process
to read the data; in that case, they wouldn't have
installed 0bin in the first place, as 0bin is here to protect them.</p>
<p><strong>However, if you want to ensure your data is not read in anyway, you should
not use 0bin</strong>. Use <a href="http://www.cypherpunks.ca/otr/">OTR</a> for chatting,
<a href="https://gnupg.org/">GnuPG</a> for encrypted & verified data sharing, with <a href="https://www.enigmail.net/">EnigMail</a>
for emails and <a href="http://www.truecrypt.org/">TrueCrypt</a> for storage.</p>
<p>It would be unlikely for those softwares to fail you. Errors will nearly always come from your side - you ought to have a perfect <a href="https://en.wikipedia.org/wiki/Operations_security">operations security</a>
if you do not want your data to be leaked. Remember to use your common sense.</p>
</dd>
<dt>How did you come out with such a cool idea?</dt>
<dt>How did the idea of 0bin emerge?</dt>
<dd>
<p>We didn't, we based 0bin on
<a href="http://sebsauvage.net/paste/">sebsauvage's work</a>.</p>
<p>It was a reaction to
<a href="https://www.zdnet.com/blog/security/pastebin-to-hunt-for-hacker-pastes-anonymous-cries-censorship/11336">Pastebin been forced to moderate its content</a>
because of so many illegal stuffed posted to it. 0bin should be used the
same way <a href="pastebin.com">Pastebin</a> is for users. The only
difference is that if you host it, we hope the encryption
feature can be used as a defense. This is not proven though :-)</p>
<p>0bin is based on <a href="http://sebsauvage.net/wiki/doku.php?id=php:zerobin">sebsauvage's work</a>.
The project sprang as a reaction to <a href="https://www.zdnet.com/blog/security/pastebin-to-hunt-for-hacker-pastes-anonymous-cries-censorship/11336">the implementation of a moderation system on Pastebin</a>,
due to the significant amount of illegal content pasted on it, or that it linked to.</p>
</dd>
<dt>How can I get 0bin?</dt>
<dd>
<p>0bin is an open-source project, and the code is hosted on <a href="https://github.com/sametmax/0bin">GitHub</a>.
You can either download a tarball or clone the repository.</p>
</dd>
</dl>
</div>