---
title: Crypto
slug: Web/API/Crypto
tags:
  - API
  - Interface
  - NeedsTranslation
  - Reference
  - TopicStub
  - Web Crypto API
translation_of: Web/API/Crypto
---
<p>{{APIRef("Web Crypto API")}}</p>

<p>The <code><strong>Crypto</strong></code> interface represents basic cryptography features available in the current context. It allows access to a cryptographically strong random number generator and to cryptographic primitives.</p>

<p>An object with this interface is available on Web context via the {{domxref("Window.crypto")}} property.</p>

<h2 id="Properties">Properties</h2>

<p><em>This interface implements properties defined on {{domxref("RandomSource")}}.</em></p>

<dl>
 <dt>{{domxref("Crypto.subtle")}} {{experimental_inline}}{{readOnlyInline}}</dt>
 <dd>Returns a {{domxref("SubtleCrypto")}} object providing access to common cryptographic primitives, like hashing, signing, encryption or decryption.</dd>
</dl>

<h2 id="Methods">Methods</h2>

<p><em>This interface implements methods defined on {{domxref("RandomSource")}}.</em></p>

<dl>
 <dt>{{domxref("Crypto.getRandomValues()")}}</dt>
 <dd>Fills the passed {{ jsxref("TypedArray") }} with cryptographically sound random values.</dd>
</dl>

<h2 id="Specifications">Specifications</h2>

<table class="standard-table">
 <thead>
  <tr>
   <th scope="col">Specification</th>
   <th scope="col">Status</th>
   <th scope="col">Comment</th>
  </tr>
 </thead>
 <tbody>
  <tr>
   <td>{{SpecName("Web Crypto API", "#crypto-interface", "Crypto")}}</td>
   <td>{{Spec2("Web Crypto API")}}</td>
   <td>Initial definition</td>
  </tr>
 </tbody>
</table>

<h2 id="Browser_Compatibility">Browser Compatibility</h2>

<div>


<p>{{Compat("api.Crypto")}}</p>
</div>

<h2 id="See_Also">See Also</h2>

<ul>
 <li><a href="/en-US/docs/Components.utils.importGlobalProperties">Components.utils.importGlobalProperties</a></li>
</ul>