forked from cory/tildefriends
Cory McWilliams
09ddfffa6b
git-svn-id: https://www.unprompted.com/svn/projects/tildefriends/trunk@4088 ed5197a5-7fde-0310-b194-c3ffbd925b24
249 lines
7.3 KiB
Groff
249 lines
7.3 KiB
Groff
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.\" ========================================================================
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.\"
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.IX Title "PASSWD 1"
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.TH PASSWD 1 "2020-04-21" "1.1.1g" "OpenSSL"
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.\" For nroff, turn off justification. Always turn off hyphenation; it makes
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.\" way too many mistakes in technical documents.
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.if n .ad l
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.nh
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.SH "NAME"
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openssl\-passwd, passwd \- compute password hashes
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.SH "SYNOPSIS"
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.IX Header "SYNOPSIS"
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\&\fBopenssl passwd\fR
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[\fB\-help\fR]
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[\fB\-crypt\fR]
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[\fB\-1\fR]
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[\fB\-apr1\fR]
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[\fB\-aixmd5\fR]
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[\fB\-5\fR]
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[\fB\-6\fR]
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[\fB\-salt\fR \fIstring\fR]
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[\fB\-in\fR \fIfile\fR]
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[\fB\-stdin\fR]
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[\fB\-noverify\fR]
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[\fB\-quiet\fR]
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[\fB\-table\fR]
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[\fB\-rand file...\fR]
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[\fB\-writerand file\fR]
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{\fIpassword\fR}
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.SH "DESCRIPTION"
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.IX Header "DESCRIPTION"
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The \fBpasswd\fR 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 \fB\-in file\fR, from stdin for
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option \fB\-stdin\fR, or from the command line, or from the terminal otherwise.
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The Unix standard algorithm \fBcrypt\fR and the MD5\-based \s-1BSD\s0 password
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algorithm \fB1\fR, its Apache variant \fBapr1\fR, and its \s-1AIX\s0 variant are available.
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.SH "OPTIONS"
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.IX Header "OPTIONS"
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.IP "\fB\-help\fR" 4
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.IX Item "-help"
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Print out a usage message.
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.IP "\fB\-crypt\fR" 4
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.IX Item "-crypt"
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Use the \fBcrypt\fR algorithm (default).
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.IP "\fB\-1\fR" 4
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.IX Item "-1"
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Use the \s-1MD5\s0 based \s-1BSD\s0 password algorithm \fB1\fR.
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.IP "\fB\-apr1\fR" 4
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.IX Item "-apr1"
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Use the \fBapr1\fR algorithm (Apache variant of the \s-1BSD\s0 algorithm).
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.IP "\fB\-aixmd5\fR" 4
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.IX Item "-aixmd5"
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Use the \fB\s-1AIX MD5\s0\fR algorithm (\s-1AIX\s0 variant of the \s-1BSD\s0 algorithm).
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.IP "\fB\-5\fR" 4
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.IX Item "-5"
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.PD 0
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.IP "\fB\-6\fR" 4
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.IX Item "-6"
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.PD
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Use the \fB\s-1SHA256\s0\fR / \fB\s-1SHA512\s0\fR based algorithms defined by Ulrich Drepper.
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See <https://www.akkadia.org/drepper/SHA\-crypt.txt>.
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.IP "\fB\-salt\fR \fIstring\fR" 4
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.IX Item "-salt string"
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Use the specified salt.
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When reading a password from the terminal, this implies \fB\-noverify\fR.
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.IP "\fB\-in\fR \fIfile\fR" 4
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.IX Item "-in file"
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Read passwords from \fIfile\fR.
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.IP "\fB\-stdin\fR" 4
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.IX Item "-stdin"
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Read passwords from \fBstdin\fR.
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.IP "\fB\-noverify\fR" 4
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.IX Item "-noverify"
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Don't verify when reading a password from the terminal.
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.IP "\fB\-quiet\fR" 4
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.IX Item "-quiet"
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Don't output warnings when passwords given at the command line are truncated.
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.IP "\fB\-table\fR" 4
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.IX Item "-table"
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In the output list, prepend the cleartext password and a \s-1TAB\s0 character
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to each password hash.
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.IP "\fB\-rand file...\fR" 4
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.IX Item "-rand file..."
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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 \fB;\fR for MS-Windows, \fB,\fR for OpenVMS, and \fB:\fR for
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all others.
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.IP "[\fB\-writerand file\fR]" 4
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.IX Item "[-writerand file]"
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Writes random data to the specified \fIfile\fR upon exit.
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This can be used with a subsequent \fB\-rand\fR flag.
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.SH "EXAMPLES"
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.IX Header "EXAMPLES"
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.Vb 2
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\& % openssl passwd \-crypt \-salt xx password
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\& xxj31ZMTZzkVA
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\&
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\& % openssl passwd \-1 \-salt xxxxxxxx password
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\& $1$xxxxxxxx$UYCIxa628.9qXjpQCjM4a.
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\&
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\& % openssl passwd \-apr1 \-salt xxxxxxxx password
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\& $apr1$xxxxxxxx$dxHfLAsjHkDRmG83UXe8K0
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\&
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\& % openssl passwd \-aixmd5 \-salt xxxxxxxx password
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\& xxxxxxxx$8Oaipk/GPKhC64w/YVeFD/
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.Ve
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.SH "COPYRIGHT"
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.IX Header "COPYRIGHT"
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Copyright 2000\-2018 The OpenSSL Project Authors. All Rights Reserved.
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.PP
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Licensed under the OpenSSL license (the \*(L"License\*(R"). 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 \s-1LICENSE\s0 in the source distribution or at
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<https://www.openssl.org/source/license.html>.
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