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<title>passwd</title>
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<ul id="index">
<li><a href="#NAME">NAME</a></li>
<li><a href="#SYNOPSIS">SYNOPSIS</a></li>
<li><a href="#DESCRIPTION">DESCRIPTION</a></li>
<li><a href="#OPTIONS">OPTIONS</a></li>
<li><a href="#EXAMPLES">EXAMPLES</a></li>
<li><a href="#COPYRIGHT">COPYRIGHT</a></li>
</ul>
<h1 id="NAME">NAME</h1>
<p>openssl-passwd, passwd - compute password hashes</p>
<h1 id="SYNOPSIS">SYNOPSIS</h1>
<p><b>openssl passwd</b> [<b>-help</b>] [<b>-crypt</b>] [<b>-1</b>] [<b>-apr1</b>] [<b>-aixmd5</b>] [<b>-5</b>] [<b>-6</b>] [<b>-salt</b> <i>string</i>] [<b>-in</b> <i>file</i>] [<b>-stdin</b>] [<b>-noverify</b>] [<b>-quiet</b>] [<b>-table</b>] [<b>-rand file...</b>] [<b>-writerand file</b>] {<i>password</i>}</p>
<h1 id="DESCRIPTION">DESCRIPTION</h1>
<p>The <b>passwd</b> command computes the hash of a password typed at run-time or the hash of each password in a list. The password list is taken from the named file for option <b>-in file</b>, from stdin for option <b>-stdin</b>, or from the command line, or from the terminal otherwise.</p>
<h1 id="OPTIONS">OPTIONS</h1>
<dl>
<dt id="help"><b>-help</b></dt>
<dd>
<p>Print out a usage message.</p>
</dd>
<dt id="crypt"><b>-crypt</b></dt>
<dd>
<p>Use the <b>crypt</b> algorithm (default).</p>
</dd>
<dt id="pod-1"><b>-1</b></dt>
<dd>
<p>Use the MD5 based BSD password algorithm <b>1</b>.</p>
</dd>
<dt id="apr1"><b>-apr1</b></dt>
<dd>
<p>Use the <b>apr1</b> algorithm (Apache variant of the BSD algorithm).</p>
</dd>
<dt id="aixmd5"><b>-aixmd5</b></dt>
<dd>
<p>Use the <b>AIX MD5</b> algorithm (AIX variant of the BSD algorithm).</p>
</dd>
<dt id="pod-5"><b>-5</b></dt>
<dd>
</dd>
<dt id="pod-6"><b>-6</b></dt>
<dd>
<p>Use the <b>SHA256</b> / <b>SHA512</b> based algorithms defined by Ulrich Drepper. See <a href="https://www.akkadia.org/drepper/SHA-crypt.txt">https://www.akkadia.org/drepper/SHA-crypt.txt</a>.</p>
</dd>
<dt id="salt-string"><b>-salt</b> <i>string</i></dt>
<dd>
<p>Use the specified salt. When reading a password from the terminal, this implies <b>-noverify</b>.</p>
</dd>
<dt id="in-file"><b>-in</b> <i>file</i></dt>
<dd>
<p>Read passwords from <i>file</i>.</p>
</dd>
<dt id="stdin"><b>-stdin</b></dt>
<dd>
<p>Read passwords from <b>stdin</b>.</p>
</dd>
<dt id="noverify"><b>-noverify</b></dt>
<dd>
<p>Don't verify when reading a password from the terminal.</p>
</dd>
<dt id="quiet"><b>-quiet</b></dt>
<dd>
<p>Don't output warnings when passwords given at the command line are truncated.</p>
</dd>
<dt id="table"><b>-table</b></dt>
<dd>
<p>In the output list, prepend the cleartext password and a TAB character to each password hash.</p>
</dd>
<dt id="rand-file"><b>-rand file...</b></dt>
<dd>
<p>A file or files containing random data used to seed the random number generator. Multiple files can be specified separated by an OS-dependent character. The separator is <b>;</b> for MS-Windows, <b>,</b> for OpenVMS, and <b>:</b> for all others.</p>
</dd>
<dt id="writerand-file">[<b>-writerand file</b>]</dt>
<dd>
<p>Writes random data to the specified <i>file</i> upon exit. This can be used with a subsequent <b>-rand</b> flag.</p>
</dd>
</dl>
<h1 id="EXAMPLES">EXAMPLES</h1>
<pre><code> % openssl passwd -crypt -salt xx password
xxj31ZMTZzkVA
% openssl passwd -1 -salt xxxxxxxx password
$1$xxxxxxxx$UYCIxa628.9qXjpQCjM4a.
% openssl passwd -apr1 -salt xxxxxxxx password
$apr1$xxxxxxxx$dxHfLAsjHkDRmG83UXe8K0
% openssl passwd -aixmd5 -salt xxxxxxxx password
xxxxxxxx$8Oaipk/GPKhC64w/YVeFD/</code></pre>
<h1 id="COPYRIGHT">COPYRIGHT</h1>
<p>Copyright 2000-2021 The OpenSSL Project Authors. All Rights Reserved.</p>
<p>Licensed under the OpenSSL license (the "License"). You may not use this file except in compliance with the License. You can obtain a copy in the file LICENSE in the source distribution or at <a href="https://www.openssl.org/source/license.html">https://www.openssl.org/source/license.html</a>.</p>
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