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+<!DOCTYPE html>
+
+<!-- Inferencium - Documentation - Security Levels -->
+
+<!-- Copyright 2022 Jake Winters -->
+<!-- SPDX-License-Identifier: CC-BY-4.0 -->
+
+<!-- Version: 1.0.0.2 -->
+
+
+<html>
+		<head>
+				<title>Security Levels</title>
+		</head>
+
+		<body>
+				<h1>Security Levels</h1>
+						<h2>S0</h2>
+								<p>Intended access: Public</p>
+								<p>Encryption: None</p>
+								<p>Signing: Optional</p>
+						<h2>S1</h2>
+								<p>Intended access: Authorised users of S1 or lower security levels</p>
+								<p>Encryption: Enforced</p>
+								<p>Signing: Enforced</p>
+								<p>Permitted symmetrical encryption ciphers (order of preference):
+										<ol>
+												<li>AES</li>
+												<li>ChaCha20*</li>
+												<li>Twofish</li>
+										</ol></p>
+						<h2>S2</h2>
+								<p>Intended access: Authorised users of S2 or lower security levels</p>
+								<p>Encryption: Enforced</p>
+								<p>Signing: Enforced</p>
+								<p>Permitted symmetrical encryption ciphers (order of preference):
+										<ol>
+												<li>AES</li>
+												<li>ChaCha20*</li>
+												<li>Twofish</li>
+										</ol></p>
+						<h2>S3</h2>
+								<p>Intended access: Authorised users of s3 or lower security levels</p>
+								<p>Encryption: Enforced</p>
+								<p>Signing: Enforced</p>
+								<p>Permitted symmetrical encryption ciphers (order of preference):
+										<ol>
+												<li>AES</li>
+												<li>ChaCha20*</li>
+										</ol></p>
+						<h2>S4</h2>
+								<p>Intended access: Authorised users of s4 or lower security levels</p>
+								<p>Encryption: Enforced</p>
+								<p>Signing: Enforced</p>
+								<p>Permitted symmetrical encryption ciphers (order of preference):
+										<ol>
+												<li>AES</li>
+												<li>ChaCha20*</li>
+										</ol></p>
+						<p>*Preferred when hardware-accelerated AES is unavailable.</p>
+		</body>
+</html>
