parthtamu/rag-code-assistant
0
1<!DOCTYPE html>2 3<html lang="en" data-content_root="../">4 <head>5 <meta charset="utf-8" />6 <meta name="viewport" content="width=device-width, initial-scale=1.0" /><meta name="viewport" content="width=device-width, initial-scale=1" />7<meta property="og:title" content="crypt — Function to check Unix passwords" />8<meta property="og:type" content="website" />9<meta property="og:url" content="https://docs.python.org/3/library/crypt.html" />10<meta property="og:site_name" content="Python documentation" />11<meta property="og:description" content="This module is no longer part of the Python standard library. It was removed in Python 3.13 after being deprecated in Python 3.11. The removal was decided in PEP 594. Applications can use the hashl..." />12<meta property="og:image:width" content="1146" />13<meta property="og:image:height" content="600" />14<meta property="og:image" content="https://docs.python.org/3.15/_images/social_previews/summary_library_crypt_0ec8ce70.png" />15<meta property="og:image:alt" content="This module is no longer part of the Python standard library. It was removed in Python 3.13 after being deprecated in Python 3.11. The removal was decided in PEP 594. Applications can use the hashl..." />16<meta name="description" content="This module is no longer part of the Python standard library. It was removed in Python 3.13 after being deprecated in Python 3.11. The removal was decided in PEP 594. Applications can use the hashl..." />17<meta name="twitter:card" content="summary_large_image" />18<meta name="theme-color" content="#3776ab">19 20 <title>crypt — Function to check Unix passwords — Python 3.15.0a6 documentation</title><meta name="viewport" content="width=device-width, initial-scale=1.0">21 22 <link rel="stylesheet" type="text/css" href="../_static/pygments.css?v=b86133f3" />23 <link rel="stylesheet" type="text/css" href="../_static/classic.css?v=234b1a7c" />24 <link rel="stylesheet" type="text/css" href="../_static/pydoctheme.css?v=89a2f22a" />25 <link rel="stylesheet" type="text/css" href="../_static/profiling-sampling-visualization.css?v=0c2600ae" />26 <link id="pygments_dark_css" media="(prefers-color-scheme: dark)" rel="stylesheet" type="text/css" href="../_static/pygments_dark.css?v=5349f25f" />27 28 <script src="../_static/documentation_options.js?v=6b7c9ff5"></script>29 <script src="../_static/doctools.js?v=9bcbadda"></script>30 <script src="../_static/sphinx_highlight.js?v=dc90522c"></script>31 <script src="../_static/profiling-sampling-visualization.js?v=9811ed04"></script>32 33 <script src="../_static/sidebar.js"></script>34 35 <link rel="search" type="application/opensearchdescription+xml"36 title="Search within Python 3.15.0a6 documentation"37 href="../_static/opensearch.xml"/>38 <link rel="author" title="About these documents" href="../about.html" />39 <link rel="index" title="Index" href="../genindex.html" />40 <link rel="search" title="Search" href="../search.html" />41 <link rel="copyright" title="Copyright" href="../copyright.html" />42 <link rel="next" title="distutils — Building and installing Python modules" href="distutils.html" />43 <link rel="prev" title="chunk — Read IFF chunked data" href="chunk.html" />44 45 46 <script defer file-types="bz2,epub,zip" data-domain="docs.python.org" src="https://analytics.python.org/js/script.file-downloads.outbound-links.js"></script>47 48 <link rel="canonical" href="https://docs.python.org/3/library/crypt.html">49 50 51 52 53 <style>54 @media only screen {55 table.full-width-table {56 width: 100%;57 }58 }59 </style>60<link rel="stylesheet" href="../_static/pydoctheme_dark.css" media="(prefers-color-scheme: dark)" id="pydoctheme_dark_css">61 <link rel="shortcut icon" type="image/png" href="../_static/py.svg">62 <script type="text/javascript" src="../_static/copybutton.js"></script>63 <script type="text/javascript" src="../_static/menu.js"></script>64 <script type="text/javascript" src="../_static/search-focus.js"></script>65 <script type="text/javascript" src="../_static/themetoggle.js"></script> 66 <script type="text/javascript" src="../_static/rtd_switcher.js"></script>67 <meta name="readthedocs-addons-api-version" content="1">68 69 </head>70<body>71<div class="mobile-nav">72 <input type="checkbox" id="menuToggler" class="toggler__input" aria-controls="navigation"73 aria-pressed="false" aria-expanded="false" role="button" aria-label="Menu">74 <nav class="nav-content" role="navigation">75 <label for="menuToggler" class="toggler__label">76 <span></span>77 </label>78 <span class="nav-items-wrapper">79 <a href="https://www.python.org/" class="nav-logo">80 <img src="../_static/py.svg" alt="Python logo">81 </a>82 <span class="version_switcher_placeholder"></span>83 <form role="search" class="search" action="../search.html" method="get">84 <svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" class="search-icon">85 <path fill-rule="nonzero" fill="currentColor" d="M15.5 14h-.79l-.28-.27a6.5 6.5 0 001.48-5.34c-.47-2.78-2.79-5-5.59-5.34a6.505 6.505 0 00-7.27 7.27c.34 2.8 2.56 5.12 5.34 5.59a6.5 6.5 0 005.34-1.48l.27.28v.79l4.25 4.25c.41.41 1.08.41 1.49 0 .41-.41.41-1.08 0-1.49L15.5 14zm-6 0C7.01 14 5 11.99 5 9.5S7.01 5 9.5 5 14 7.01 14 9.5 11.99 14 9.5 14z"></path>86 </svg>87 <input placeholder="Quick search" aria-label="Quick search" type="search" name="q">88 <input type="submit" value="Go">89 </form>90 </span>91 </nav>92 <div class="menu-wrapper">93 <nav class="menu" role="navigation" aria-label="main navigation">94 <div class="language_switcher_placeholder"></div>95 96<label class="theme-selector-label">97 Theme98 <select class="theme-selector" oninput="activateTheme(this.value)">99 <option value="auto" selected>Auto</option>100 <option value="light">Light</option>101 <option value="dark">Dark</option>102 </select>103</label>104 <div>105 <h4>Previous topic</h4>106 <p class="topless"><a href="chunk.html"107 title="previous chapter"><code class="xref py py-mod docutils literal notranslate"><span class="pre">chunk</span></code> — Read IFF chunked data</a></p>108 </div>109 <div>110 <h4>Next topic</h4>111 <p class="topless"><a href="distutils.html"112 title="next chapter"><code class="xref py py-mod docutils literal notranslate"><span class="pre">distutils</span></code> — Building and installing Python modules</a></p>113 </div>114 <script>115 document.addEventListener('DOMContentLoaded', () => {116 const title = document.querySelector('meta[property="og:title"]').content;117 const elements = document.querySelectorAll('.improvepage');118 const pageurl = window.location.href.split('?')[0];119 elements.forEach(element => {120 const url = new URL(element.href.split('?')[0].replace("-nojs", ""));121 url.searchParams.set('pagetitle', title);122 url.searchParams.set('pageurl', pageurl);123 url.searchParams.set('pagesource', "library/crypt.rst");124 element.href = url.toString();125 });126 });127 </script>128 <div role="note" aria-label="source link">129 <h3>This page</h3>130 <ul class="this-page-menu">131 <li><a href="../bugs.html">Report a bug</a></li>132 <li><a class="improvepage" href="../improve-page-nojs.html">Improve this page</a></li>133 <li>134 <a href="https://github.com/python/cpython/blob/main/Doc/library/crypt.rst?plain=1"135 rel="nofollow">Show source136 </a>137 </li>138 139 </ul>140 </div>141 </nav>142 </div>143</div>144 145 146 <div class="related" role="navigation" aria-label="Related">147 <h3>Navigation</h3>148 <ul>149 <li class="right" style="margin-right: 10px">150 <a href="../genindex.html" title="General Index"151 accesskey="I">index</a></li>152 <li class="right" >153 <a href="../py-modindex.html" title="Python Module Index"154 >modules</a> |</li>155 <li class="right" >156 <a href="distutils.html" title="distutils — Building and installing Python modules"157 accesskey="N">next</a> |</li>158 <li class="right" >159 <a href="chunk.html" title="chunk — Read IFF chunked data"160 accesskey="P">previous</a> |</li>161 162 <li><img src="../_static/py.svg" alt="Python logo" style="vertical-align: middle; margin-top: -1px"></li>163 <li><a href="https://www.python.org/">Python</a> »</li>164 <li class="switchers">165 <div class="language_switcher_placeholder"></div>166 <div class="version_switcher_placeholder"></div>167 </li>168 <li>169 170 </li>171 <li id="cpython-language-and-version">172 <a href="../index.html">3.15.0a6 Documentation</a> »173 </li>174 175 <li class="nav-item nav-item-1"><a href="index.html" >The Python Standard Library</a> »</li>176 <li class="nav-item nav-item-2"><a href="removed.html" accesskey="U">Removed Modules</a> »</li>177 <li class="nav-item nav-item-this"><a href=""><code class="xref py py-mod docutils literal notranslate"><span class="pre">crypt</span></code> — Function to check Unix passwords</a></li>178 <li class="right">179 180 181 <div class="inline-search" role="search">182 <form class="inline-search" action="../search.html" method="get">183 <input placeholder="Quick search" aria-label="Quick search" type="search" name="q" id="search-box">184 <input type="submit" value="Go">185 </form>186 </div>187 |188 </li>189 <li class="right">190<label class="theme-selector-label">191 Theme192 <select class="theme-selector" oninput="activateTheme(this.value)">193 <option value="auto" selected>Auto</option>194 <option value="light">Light</option>195 <option value="dark">Dark</option>196 </select>197</label> |</li>198 199 </ul>200 </div> 201 202 <div class="document">203 <div class="documentwrapper">204 <div class="bodywrapper">205 <div class="body" role="main">206 207 <section id="module-crypt">208<span id="crypt-function-to-check-unix-passwords"></span><h1><code class="xref py py-mod docutils literal notranslate"><span class="pre">crypt</span></code> — Function to check Unix passwords<a class="headerlink" href="#module-crypt" title="Link to this heading">¶</a></h1>209<div class="deprecated-removed">210<p><span class="versionmodified removed">Deprecated since version 3.11, removed in version 3.13.</span></p>211</div>212<p>This module is no longer part of the Python standard library.213It was <a class="reference internal" href="../whatsnew/3.13.html#whatsnew313-pep594"><span class="std std-ref">removed in Python 3.13</span></a> after214being deprecated in Python 3.11. The removal was decided in <span class="target" id="index-0"></span><a class="pep reference external" href="https://peps.python.org/pep-0594/"><strong>PEP 594</strong></a>.</p>215<p>Applications can use the <a class="reference internal" href="hashlib.html#module-hashlib" title="hashlib: Secure hash and message digest algorithms."><code class="xref py py-mod docutils literal notranslate"><span class="pre">hashlib</span></code></a> module from the standard library.216Other possible replacements are third-party libraries from PyPI:217<a class="extlink-pypi reference external" href="https://pypi.org/project/legacycrypt/">legacycrypt</a>, <a class="extlink-pypi reference external" href="https://pypi.org/project/bcrypt/">bcrypt</a>, or <a class="extlink-pypi reference external" href="https://pypi.org/project/argon2-cffi/">argon2-cffi</a>.218These are not supported or maintained by the Python core team.</p>219<p>The last version of Python that provided the <code class="xref py py-mod docutils literal notranslate"><span class="pre">crypt</span></code> module was220<a class="reference external" href="https://docs.python.org/3.12/library/crypt.html">Python 3.12</a>.</p>221</section>222 223 224 <div class="clearer"></div>225 </div>226 </div>227 </div>228 <div class="sphinxsidebar" role="navigation" aria-label="Main">229 <div class="sphinxsidebarwrapper">230 <div>231 <h4>Previous topic</h4>232 <p class="topless"><a href="chunk.html"233 title="previous chapter"><code class="xref py py-mod docutils literal notranslate"><span class="pre">chunk</span></code> — Read IFF chunked data</a></p>234 </div>235 <div>236 <h4>Next topic</h4>237 <p class="topless"><a href="distutils.html"238 title="next chapter"><code class="xref py py-mod docutils literal notranslate"><span class="pre">distutils</span></code> — Building and installing Python modules</a></p>239 </div>240 <script>241 document.addEventListener('DOMContentLoaded', () => {242 const title = document.querySelector('meta[property="og:title"]').content;243 const elements = document.querySelectorAll('.improvepage');244 const pageurl = window.location.href.split('?')[0];245 elements.forEach(element => {246 const url = new URL(element.href.split('?')[0].replace("-nojs", ""));247 url.searchParams.set('pagetitle', title);248 url.searchParams.set('pageurl', pageurl);249 url.searchParams.set('pagesource', "library/crypt.rst");250 element.href = url.toString();251 });252 });253 </script>254 <div role="note" aria-label="source link">255 <h3>This page</h3>256 <ul class="this-page-menu">257 <li><a href="../bugs.html">Report a bug</a></li>258 <li><a class="improvepage" href="../improve-page-nojs.html">Improve this page</a></li>259 <li>260 <a href="https://github.com/python/cpython/blob/main/Doc/library/crypt.rst?plain=1"261 rel="nofollow">Show source262 </a>263 </li>264 265 </ul>266 </div>267 </div>268<div id="sidebarbutton" title="Collapse sidebar">269<span>«</span>270</div>271 272 </div>273 <div class="clearer"></div>274 </div> 275 <div class="related" role="navigation" aria-label="Related">276 <h3>Navigation</h3>277 <ul>278 <li class="right" style="margin-right: 10px">279 <a href="../genindex.html" title="General Index"280 >index</a></li>281 <li class="right" >282 <a href="../py-modindex.html" title="Python Module Index"283 >modules</a> |</li>284 <li class="right" >285 <a href="distutils.html" title="distutils — Building and installing Python modules"286 >next</a> |</li>287 <li class="right" >288 <a href="chunk.html" title="chunk — Read IFF chunked data"289 >previous</a> |</li>290 291 <li><img src="../_static/py.svg" alt="Python logo" style="vertical-align: middle; margin-top: -1px"></li>292 <li><a href="https://www.python.org/">Python</a> »</li>293 <li class="switchers">294 <div class="language_switcher_placeholder"></div>295 <div class="version_switcher_placeholder"></div>296 </li>297 <li>298 299 </li>300 <li id="cpython-language-and-version">301 <a href="../index.html">3.15.0a6 Documentation</a> »302 </li>303 304 <li class="nav-item nav-item-1"><a href="index.html" >The Python Standard Library</a> »</li>305 <li class="nav-item nav-item-2"><a href="removed.html" >Removed Modules</a> »</li>306 <li class="nav-item nav-item-this"><a href=""><code class="xref py py-mod docutils literal notranslate"><span class="pre">crypt</span></code> — Function to check Unix passwords</a></li>307 <li class="right">308 309 310 <div class="inline-search" role="search">311 <form class="inline-search" action="../search.html" method="get">312 <input placeholder="Quick search" aria-label="Quick search" type="search" name="q" id="search-box">313 <input type="submit" value="Go">314 </form>315 </div>316 |317 </li>318 <li class="right">319<label class="theme-selector-label">320 Theme321 <select class="theme-selector" oninput="activateTheme(this.value)">322 <option value="auto" selected>Auto</option>323 <option value="light">Light</option>324 <option value="dark">Dark</option>325 </select>326</label> |</li>327 328 </ul>329 </div> 330 <div class="footer">331 © <a href="../copyright.html">Copyright</a> 2001 Python Software Foundation.332 <br>333 This page is licensed under the Python Software Foundation License Version 2.334 <br>335 Examples, recipes, and other code in the documentation are additionally licensed under the Zero Clause BSD License.336 <br>337 338 See <a href="/license.html">History and License</a> for more information.<br>339 340 341 <br>342 343 The Python Software Foundation is a non-profit corporation.344<a href="https://www.python.org/psf/donations/">Please donate.</a>345<br>346 <br>347 Last updated on Mar 10, 2026 (08:58 UTC).348 349 <a href="/bugs.html">Found a bug</a>?350 351 <br>352 353 Created using <a href="https://www.sphinx-doc.org/">Sphinx</a> 8.2.3.354 </div>355 356 </body>357</html>