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<?xml version="1.0" ?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <title>passwd</title> <meta http-equiv="content-type" content="text/html; charset=utf-8" /> <link rev="made" href="mailto:root@localhost" /> </head> <body> <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> </body> </html>
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