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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>Encoding for Robust Immutable Storage</title>
<link rel="stylesheet" href="style.css">
<script src="index.js"></script>
</head>
<body>
<h1>Encoding for Robust Immutable Storage (ERIS)</h1>
<div>
<div id="notes">
<p>This is a demo of ERIS - An Encoding for Robust Immutable Storage.</p>
<p>ERIS encodes any content into uniformly sized (4kB) encrypted blocks. The original content can only be decoded with the read capability (an URN which contains the encryption key). </p>
</div>
<main>
<div id="input">
<h2>Input</h2>
<p>Enter some text and click Encode to get the URN that uniquely identifies the text.</p>
<textarea id="input-textarea"></textarea>
<br> <br>
<details>
<summary>Sample Data</summary>
<br>
<button id="input-load-alice-in-wonderland">
Load Alice in Wonderland
</button>
<h3>RDF</h3>
<p>RDF data is normalized before it is encoded. This means that the same content always gets the same identifier (URN).</p><p>Load some sample RDF data, encode it and then decode it to see how the normalized form looks (it's not pretty).</p>
<button id="input-load-sample-vocabulary">
Load sample vocabulary
</button>
<button id="input-load-sample-actor">
Load sample ActivityPub Actor (JSON-LD)
</button>
</details>
</div>
<div id="controls">
<button id="controls-encode">Encode →</button>
<details>
<summary>input format</summary>
<select id="controls-input-type" name="input-type" selected="plain-text">
<option value="text/plain">plain text</option>
<option value="text/turtle">RDF Turtle</option>
<option value="application/ld+json">JSON-LD</option>
</select>
</details>
<br>
<button id="controls-decode">← Decode</button>
<br>
<br>
<button id="controls-verify">Verify</button>
<br>
<pre id="controls-error"></pre>
<pre id="controls-success"></pre>
</div>
<div id="encoded">
<h2>Encoded</h2>
<h3>Read capability</h3>
<p>The read capability allows content to be read</p>
<input id="encoded-eris-read-cap" type="url"></input>
<h3>Verification capability</h3>
<p>The verification capability allows all blocks to be verified for integrity, but does not allow the content to be read</p>
<input id="encoded-eris-verification-cap" type="url"></input>
<div id="blocks">
<h3>Blocks</h3>
<div id="block-container">
</div>
</div>
</div>
<div class="break">
</div>
</main>
<h2>About</h2>
<p>For more information on how ERIS works see TODO.</p>
<p>There are two tricks used to encode RDF see TODO for more information.</p>
<p>This demo and the JavaScript (and Guile) implementations are free software. See the <a href="https://gitlab.com/openengiadina/js-eris">Git repository</a>.
<p>ERIS is developed as part of the <a href="https://openengiadina.net/">openEngiadina</a> project.</p>
</div>
</body>
</html>
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