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+    <title>Introduction &#8212; PSA Crypto API 1.0.0 documentation</title>
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+  <div class="section" id="introduction">
+<h1>Introduction</h1>
+<p>Arm’s Platform Security Architecture (PSA) is a holistic set of threat models,
+security analyses, hardware and firmware architecture specifications, an
+open source firmware reference implementation, and an independent evaluation
+and certification scheme. PSA provides a recipe, based on
+industry best practice, that allows security to be consistently designed in, at
+both a hardware and firmware level.</p>
+<p>The PSA Cryptographic API (Crypto API) described in this document is an
+important PSA component that provides an interface to cryptographic operations
+on resource-constrained devices. The interface is user-friendly, while still
+providing access to the low-level primitives used in modern cryptography. It
+does not require that the user has access to the key material. Instead, it uses
+opaque key identifiers.</p>
+<p>This document is part of the PSA family of specifications. It defines an
+interface for cryptographic services, including cryptography primitives and a
+key storage functionality.</p>
+<p>This document includes:</p>
+<ul class="simple">
+<li>A <a class="reference internal" href="goals.html#design-goals"><span class="std std-ref">rationale</span></a> for the design.</li>
+<li>A <a class="reference internal" href="functionality.html#functionality-overview"><span class="std std-ref">high-level overview of the functionality</span></a>
+provided by the interface.</li>
+<li>A <a class="reference internal" href="sample-arch.html#architectures"><span class="std std-ref">description of typical architectures</span></a> of
+implementations for this specification.</li>
+<li>General considerations <a class="reference internal" href="implementation.html#implementation-considerations"><span class="std std-ref">for implementers</span></a>
+of this specification and <a class="reference internal" href="usage.html#usage-considerations"><span class="std std-ref">for applications</span></a> that
+use the interface defined in this specification.</li>
+<li>A <a class="reference internal" href="../api/library/index.html#api-reference"><span class="std std-ref">detailed definition</span></a> of the API.</li>
+</ul>
+<p>Companion documents will define <em>profiles</em> for this specification. A profile is
+a minimum mandatory subset of the interface that a compliant implementation must
+provide.</p>
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+<h3>Related Topics</h3>
+<ul>
+  <li><a href="../index.html">Documentation overview</a><ul>
+      <li>Previous: <a href="../index.html" title="previous chapter">PSA Cryptography API 1.0</a></li>
+      <li>Next: <a href="goals.html" title="next chapter">Design goals</a></li>
+  </ul></li>
+</ul>
+</div>
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