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175 lines
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<title>What is Plausible Deniability ? Why is it Important ?</title>
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<a href="../index.html">Previous Page</a></br></br><p><img src="../../assets/img/user.png" width="50px" height="50px"> <ba>nihilist@mainpc - 2024-05-01</ba></p>
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<h1>What is Plausible Deniability ? Why is it Important ? </h1>
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<h2><b>Encryption Provides Privacy </b></h2>
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<p>Let's take our previous analogy to explain what Privacy is:</p>
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<pre><code class="nim">
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Bob wants to talk to Alice, He wants the conversation to remain private, so he closes the door
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Jack can't spy on bob and alice's conversation, because the door is closed,
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The door is closed, the conversation remains between Alice and Bob, their conversation is Private.
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</code></pre>
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<img src="1.png" class="imgRz">
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<p>For Alice and Bob to protect their conversation from being spied on by Jack, they encrypt their conversation for example by using <a href="../pgp/index.html">PGP</a>.</p>
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<img src="2.png" class="imgRz">
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<p>Here the most common usecase for encryption is for people to encrypt their system disk on their computers, because if someone (like jack) were to steal their computer, they don't want to read all of their data.</p>
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<img src="3.png" class="imgRz">
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<p>All in all, encryption is used to provide privacy. As long as the encrypted volumes are closed when Jack is trying to open them, Jack cannot read the contents of the volumes.</p>
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<h2><b>What happens when Bob is forced to give out his password ?</b></h2> </br> </br>
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<p>Encryption however, cannot protect against everything.</p>
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<img src="4.png" class="imgRz">
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<p>In this case, Bob is legally, although questionably morally, forced to decrypt his encrypted system disk by the judge. Keep in mind that this is not a far fetched scenario, this has happened previously.</p>
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<ol>
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<li><p>in January 2012 (<a href="https://www.wired.com/2012/01/judge-orders-laptop-decryption/">source</a>)</p></li>
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<li><p>in Febuary 2009 (<a href="https://www.cnet.com/tech/tech-industry/judge-orders-defendant-to-decrypt-pgp-protected-laptop/">source</a>)</p></li>
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</ol>
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<p>When that is the case, simply encrypting the disk is not enough, as <b>all that is required is for the adversary to know of the existance of the encrypted drive, to be able to force Bob to open it</b></p>
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<img src="6.png" class="imgRz">
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<p>As far as key encryption laws, the trend is that most developed countries are forcing their citizens to incriminate themselves and to surrender the encryption keys to authorities, when asked. In short,<b>If the encrypted volume is proven to exist, you can be forced to surrender the decryption key/password to open it.</b></p>
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<h2><b>Why is Plausible Deniability is Vital?</b></h2> </br> </br>
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<p>From a legal standpoint, the only way to be protected against that scenario where you're forced to decrypt your harddrive <b>is to be able to deny the existence of said encrypted volume (Plausible Deniability)</b> . If the encrypted volume does not exist, there is no password to be given for it.</p>
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<p>So here we need a technology that can provide us Plausible Deniability. <b>That is what Veracrypt can do for us</b>.</p>
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<img src="5.png" class="imgRz">
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<p>In short, Veracrypt allows you to encrypt volumes, just like LUKS encryption does. <b>However it gives you the choice to hide another encrypted volume inside the same volume</b>, that is exactly what you can deny the existence of.</p>
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<p>So you can hide some random meaningless data inside the decoy volume, while the real data that needs protection sits inside the hidden volume.</p>
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<p>This means, when Jack forces Bob to open the vercrypt volume, Bob types Password A to open the decoy volume, Then, when asked by Jack, <b>Bob declares that there is no Hidden volume, and Jack has no way to prove the existence the Hidden Volume</b>.</p>
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<p>To see how to implement Plausible Deniability protection with Veracrypt, check out this <a href="../veracrypt/index.html">tutorial</a>.</p>
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<h4>Nihilism</h4>
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Until there is Nothing left.
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<h4>My Links</h4>
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<a target="_blank" rel="noopener noreferrer" href="http://blog.nowhere.moe/rss/feed.xml">RSS Feed</a><br/><a target="_blank" rel="noopener noreferrer" href="https://matrix.to/#/#nowheremoe:nowhere.moe">Matrix Chat</a><br/>
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<h4>About nihilist</h4>
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<p style="word-wrap: break-word;"><u>Donate XMR:</u> 8AUYjhQeG3D5aodJDtqG499N5jXXM71gYKD8LgSsFB9BUV1o7muLv3DXHoydRTK4SZaaUBq4EAUqpZHLrX2VZLH71Jrd9k8</p></br><p><u>Contact:</u> nihilist@nowhere.moe (<a href="https://nowhere.moe/nihilist.pubkey">PGP</a>)</p>
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