183 lines
5.7 KiB
HTML
183 lines
5.7 KiB
HTML
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<?xml version="1.0" ?>
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml">
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<head>
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<title>passwd</title>
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<meta http-equiv="content-type" content="text/html; charset=utf-8" />
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<link rev="made" href="mailto:root@localhost" />
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</head>
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<body style="background-color: white">
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<!-- INDEX BEGIN -->
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<div name="index">
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<p><a name="__index__"></a></p>
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<ul>
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<li><a href="#name">NAME</a></li>
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<li><a href="#synopsis">SYNOPSIS</a></li>
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<li><a href="#description">DESCRIPTION</a></li>
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<li><a href="#options">OPTIONS</a></li>
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<li><a href="#examples">EXAMPLES</a></li>
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<li><a href="#copyright">COPYRIGHT</a></li>
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</ul>
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<hr name="index" />
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</div>
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<!-- INDEX END -->
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<p>
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</p>
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<hr />
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<h1><a name="name">NAME</a></h1>
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<p>openssl-passwd,
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passwd - compute password hashes</p>
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<p>
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</p>
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<hr />
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<h1><a name="synopsis">SYNOPSIS</a></h1>
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<p><strong>openssl passwd</strong>
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[<strong>-help</strong>]
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[<strong>-crypt</strong>]
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[<strong>-1</strong>]
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[<strong>-apr1</strong>]
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[<strong>-aixmd5</strong>]
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[<strong>-5</strong>]
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[<strong>-6</strong>]
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[<strong>-salt</strong> <em>string</em>]
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[<strong>-in</strong> <em>file</em>]
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[<strong>-stdin</strong>]
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[<strong>-noverify</strong>]
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[<strong>-quiet</strong>]
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[<strong>-table</strong>]
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[<strong>-rand file...</strong>]
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[<strong>-writerand file</strong>]
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{<em>password</em>}</p>
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<p>
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</p>
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<hr />
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<h1><a name="description">DESCRIPTION</a></h1>
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<p>The <strong>passwd</strong> command computes the hash of a password typed at
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run-time or the hash of each password in a list. The password list is
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taken from the named file for option <strong>-in file</strong>, from stdin for
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option <strong>-stdin</strong>, or from the command line, or from the terminal otherwise.
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The Unix standard algorithm <strong>crypt</strong> and the MD5-based BSD password
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algorithm <strong>1</strong>, its Apache variant <strong>apr1</strong>, and its AIX variant are available.</p>
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<p>
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</p>
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<hr />
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<h1><a name="options">OPTIONS</a></h1>
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<dl>
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<dt><strong><a name="help" class="item"><strong>-help</strong></a></strong></dt>
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<dd>
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<p>Print out a usage message.</p>
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</dd>
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<dt><strong><a name="crypt" class="item"><strong>-crypt</strong></a></strong></dt>
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<dd>
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<p>Use the <strong>crypt</strong> algorithm (default).</p>
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</dd>
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<dt><strong><a name="1" class="item"><strong>-1</strong></a></strong></dt>
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<dd>
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<p>Use the MD5 based BSD password algorithm <strong>1</strong>.</p>
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</dd>
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<dt><strong><a name="apr1" class="item"><strong>-apr1</strong></a></strong></dt>
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<dd>
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<p>Use the <strong>apr1</strong> algorithm (Apache variant of the BSD algorithm).</p>
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</dd>
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<dt><strong><a name="aixmd5" class="item"><strong>-aixmd5</strong></a></strong></dt>
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<dd>
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<p>Use the <strong>AIX MD5</strong> algorithm (AIX variant of the BSD algorithm).</p>
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</dd>
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<dt><strong><a name="5" class="item"><strong>-5</strong></a></strong></dt>
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<dt><strong><a name="6" class="item"><strong>-6</strong></a></strong></dt>
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<dd>
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<p>Use the <strong>SHA256</strong> / <strong>SHA512</strong> based algorithms defined by Ulrich Drepper.
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See <a href="https://www.akkadia.org/drepper/SHA-crypt.txt">https://www.akkadia.org/drepper/SHA-crypt.txt</a>.</p>
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</dd>
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<dt><strong><a name="salt_string" class="item"><strong>-salt</strong> <em>string</em></a></strong></dt>
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<dd>
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<p>Use the specified salt.
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When reading a password from the terminal, this implies <strong>-noverify</strong>.</p>
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</dd>
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<dt><strong><a name="in_file" class="item"><strong>-in</strong> <em>file</em></a></strong></dt>
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<dd>
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<p>Read passwords from <em>file</em>.</p>
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</dd>
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<dt><strong><a name="stdin" class="item"><strong>-stdin</strong></a></strong></dt>
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<dd>
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<p>Read passwords from <strong>stdin</strong>.</p>
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</dd>
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<dt><strong><a name="noverify" class="item"><strong>-noverify</strong></a></strong></dt>
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<dd>
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<p>Don't verify when reading a password from the terminal.</p>
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</dd>
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<dt><strong><a name="quiet" class="item"><strong>-quiet</strong></a></strong></dt>
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<dd>
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<p>Don't output warnings when passwords given at the command line are truncated.</p>
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</dd>
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<dt><strong><a name="table" class="item"><strong>-table</strong></a></strong></dt>
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<dd>
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<p>In the output list, prepend the cleartext password and a TAB character
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to each password hash.</p>
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</dd>
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<dt><strong><a name="rand_file" class="item"><strong>-rand file...</strong></a></strong></dt>
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<dd>
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<p>A file or files containing random data used to seed the random number
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generator.
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Multiple files can be specified separated by an OS-dependent character.
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The separator is <strong>;</strong> for MS-Windows, <strong>,</strong> for OpenVMS, and <strong>:</strong> for
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all others.</p>
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</dd>
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<dt><strong><a name="writerand_file" class="item">[<strong>-writerand file</strong>]</a></strong></dt>
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<dd>
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<p>Writes random data to the specified <em>file</em> upon exit.
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This can be used with a subsequent <strong>-rand</strong> flag.</p>
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</dd>
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</dl>
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<p>
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</p>
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<hr />
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<h1><a name="examples">EXAMPLES</a></h1>
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<pre>
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% openssl passwd -crypt -salt xx password
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xxj31ZMTZzkVA</pre>
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<pre>
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% openssl passwd -1 -salt xxxxxxxx password
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$1$xxxxxxxx$UYCIxa628.9qXjpQCjM4a.</pre>
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<pre>
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% openssl passwd -apr1 -salt xxxxxxxx password
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$apr1$xxxxxxxx$dxHfLAsjHkDRmG83UXe8K0</pre>
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<pre>
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% openssl passwd -aixmd5 -salt xxxxxxxx password
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xxxxxxxx$8Oaipk/GPKhC64w/YVeFD/</pre>
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<p>
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</p>
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<hr />
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<h1><a name="copyright">COPYRIGHT</a></h1>
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<p>Copyright 2000-2018 The OpenSSL Project Authors. All Rights Reserved.</p>
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<p>Licensed under the OpenSSL license (the "License"). You may not use
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this file except in compliance with the License. You can obtain a copy
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in the file LICENSE in the source distribution or at
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<a href="https://www.openssl.org/source/license.html">https://www.openssl.org/source/license.html</a>.</p>
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</body>
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</html>
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