181 lines
4.5 KiB
HTML
181 lines
4.5 KiB
HTML
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<HTML><HEAD><TITLE>Man page of PASSWD</TITLE>
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</HEAD><BODY>
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<H1>PASSWD</H1>
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Section: OpenSSL (1SSL)<BR>Updated: 2021-03-22<BR><A HREF="#index">Index</A>
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<A HREF="/cgi-bin/man/man2html">Return to Main Contents</A><HR>
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<A NAME="lbAB"> </A>
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<H2>NAME</H2>
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openssl-passwd, passwd - compute password hashes
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<A NAME="lbAC"> </A>
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<H2>SYNOPSIS</H2>
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<B>openssl passwd</B>
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[<B>-help</B>]
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[<B>-crypt</B>]
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[<B>-1</B>]
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[<B>-apr1</B>]
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[<B>-aixmd5</B>]
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[<B>-5</B>]
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[<B>-6</B>]
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[<B>-salt</B> <I>string</I>]
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[<B>-in</B> <I>file</I>]
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[<B>-stdin</B>]
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[<B>-noverify</B>]
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[<B>-quiet</B>]
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[<B>-table</B>]
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[<B>-rand file...</B>]
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[<B>-writerand file</B>]
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{<I>password</I>}
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<A NAME="lbAD"> </A>
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<H2>DESCRIPTION</H2>
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The <B>passwd</B> 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 <B>-in file</B>, from stdin for
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option <B>-stdin</B>, or from the command line, or from the terminal otherwise.
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The Unix standard algorithm <B>crypt</B> and the MD5-based <FONT SIZE="-1">BSD</FONT> password
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algorithm <B>1</B>, its Apache variant <B>apr1</B>, and its <FONT SIZE="-1">AIX</FONT> variant are available.
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<A NAME="lbAE"> </A>
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<H2>OPTIONS</H2>
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<DL COMPACT>
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<DT id="1"><B>-help</B><DD>
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Print out a usage message.
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<DT id="2"><B>-crypt</B><DD>
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Use the <B>crypt</B> algorithm (default).
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<DT id="3"><B>-1</B><DD>
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Use the <FONT SIZE="-1">MD5</FONT> based <FONT SIZE="-1">BSD</FONT> password algorithm <B>1</B>.
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<DT id="4"><B>-apr1</B><DD>
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Use the <B>apr1</B> algorithm (Apache variant of the <FONT SIZE="-1">BSD</FONT> algorithm).
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<DT id="5"><B>-aixmd5</B><DD>
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Use the <B></B><FONT SIZE="-1"><B>AIX MD5</B></FONT><B></B> algorithm (<FONT SIZE="-1">AIX</FONT> variant of the <FONT SIZE="-1">BSD</FONT> algorithm).
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<DT id="6"><B>-5</B><DD>
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<DT id="7"><B>-6</B><DD>
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Use the <B></B><FONT SIZE="-1"><B>SHA256</B></FONT><B></B> / <B></B><FONT SIZE="-1"><B>SHA512</B></FONT><B></B> 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>>.
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<DT id="8"><B>-salt</B> <I>string</I><DD>
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Use the specified salt.
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When reading a password from the terminal, this implies <B>-noverify</B>.
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<DT id="9"><B>-in</B> <I>file</I><DD>
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Read passwords from <I>file</I>.
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<DT id="10"><B>-stdin</B><DD>
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Read passwords from <B>stdin</B>.
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<DT id="11"><B>-noverify</B><DD>
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Don't verify when reading a password from the terminal.
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<DT id="12"><B>-quiet</B><DD>
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Don't output warnings when passwords given at the command line are truncated.
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<DT id="13"><B>-table</B><DD>
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In the output list, prepend the cleartext password and a <FONT SIZE="-1">TAB</FONT> character
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to each password hash.
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<DT id="14"><B>-rand file...</B><DD>
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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 <B>;</B> for MS-Windows, <B>,</B> for OpenVMS, and <B>:</B> for
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all others.
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<DT id="15">[<B>-writerand file</B>]<DD>
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Writes random data to the specified <I>file</I> upon exit.
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This can be used with a subsequent <B>-rand</B> flag.
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</DL>
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<A NAME="lbAF"> </A>
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<H2>EXAMPLES</H2>
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<PRE>
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% openssl passwd -crypt -salt xx password
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xxj31ZMTZzkVA
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% openssl passwd -1 -salt xxxxxxxx password
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$1$xxxxxxxx$UYCIxa628.9qXjpQCjM4a.
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% openssl passwd -apr1 -salt xxxxxxxx password
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$apr1$xxxxxxxx$dxHfLAsjHkDRmG83UXe8K0
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% openssl passwd -aixmd5 -salt xxxxxxxx password
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xxxxxxxx$8Oaipk/GPKhC64w/YVeFD/
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</PRE>
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<A NAME="lbAG"> </A>
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<H2>COPYRIGHT</H2>
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Copyright 2000-2018 The OpenSSL Project Authors. All Rights Reserved.
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<P>
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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 <FONT SIZE="-1">LICENSE</FONT> 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>>.
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<P>
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<HR>
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<A NAME="index"> </A><H2>Index</H2>
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<DL>
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<DT id="16"><A HREF="#lbAB">NAME</A><DD>
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<DT id="17"><A HREF="#lbAC">SYNOPSIS</A><DD>
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<DT id="18"><A HREF="#lbAD">DESCRIPTION</A><DD>
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<DT id="19"><A HREF="#lbAE">OPTIONS</A><DD>
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<DT id="20"><A HREF="#lbAF">EXAMPLES</A><DD>
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<DT id="21"><A HREF="#lbAG">COPYRIGHT</A><DD>
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</DL>
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<HR>
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This document was created by
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<A HREF="/cgi-bin/man/man2html">man2html</A>,
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using the manual pages.<BR>
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Time: 00:05:21 GMT, March 31, 2021
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</BODY>
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</HTML>
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