name : openssl-passwd.1 .\" Automatically generated by Pod::Man 4.11 (Pod::Simple 3.35) .\" .\" Standard preamble: .\" ======================================================================== .de Sp \" Vertical space (when we can't use .PP) .if t .sp .5v .if n .sp .. .de Vb \" Begin verbatim text .ft CW .nf .ne \\$1 .. .de Ve \" End verbatim text .ft R .fi .. .\" Set up some character translations and predefined strings. \*(-- will .\" give an unbreakable dash, \*(PI will give pi, \*(L" will give a left .\" double quote, and \*(R" will give a right double quote. \*(C+ will .\" give a nicer C++. Capital omega is used to do unbreakable dashes and .\" therefore won't be available. \*(C` and \*(C' expand to `' in nroff, .\" nothing in troff, for use with C<>. .tr \(*W- .ds C+ C\v'-.1v'\h'-1p'\s-2+\h'-1p'+\s0\v'.1v'\h'-1p' .ie n \{\ . ds -- \(*W- . ds PI pi . if (\n(.H=4u)&(1m=24u) .ds -- \(*W\h'-12u'\(*W\h'-12u'-\" diablo 10 pitch . if (\n(.H=4u)&(1m=20u) .ds -- \(*W\h'-12u'\(*W\h'-8u'-\" diablo 12 pitch . ds L" "" . ds R" "" . ds C` "" . ds C' "" 'br\} .el\{\ . ds -- \|\(em\| . ds PI \(*p . ds L" `` . ds R" '' . ds C` . ds C' 'br\} .\" .\" Escape single quotes in literal strings from groff's Unicode transform. .ie \n(.g .ds Aq \(aq .el .ds Aq ' .\" .\" If the F register is >0, we'll generate index entries on stderr for .\" titles (.TH), headers (.SH), subsections (.SS), items (.Ip), and index .\" entries marked with X<> in POD. Of course, you'll have to process the .\" output yourself in some meaningful fashion. .\" .\" Avoid warning from groff about undefined register 'F'. .de IX .. .nr rF 0 .if \n(.g .if rF .nr rF 1 .if (\n(rF:(\n(.g==0)) \{\ . if \nF \{\ . de IX . tm Index:\\$1\t\\n%\t"\\$2" .. . if !\nF==2 \{\ . nr % 0 . nr F 2 . \} . \} .\} .rr rF .\" .\" Accent mark definitions (@(#)ms.acc 1.5 88/02/08 SMI; from UCB 4.2). .\" Fear. Run. Save yourself. No user-serviceable parts. . \" fudge factors for nroff and troff .if n \{\ . ds #H 0 . ds #V .8m . ds #F .3m . ds #[ \f1 . ds #] \fP .\} .if t \{\ . ds #H ((1u-(\\\\n(.fu%2u))*.13m) . ds #V .6m . ds #F 0 . ds #[ \& . ds #] \& .\} . \" simple accents for nroff and troff .if n \{\ . ds ' \& . ds ` \& . ds ^ \& . ds , \& . ds ~ ~ . ds / .\} .if t \{\ . ds ' \\k:\h'-(\\n(.wu*8/10-\*(#H)'\'\h"|\\n:u" . ds ` \\k:\h'-(\\n(.wu*8/10-\*(#H)'\`\h'|\\n:u' . ds ^ \\k:\h'-(\\n(.wu*10/11-\*(#H)'^\h'|\\n:u' . ds , \\k:\h'-(\\n(.wu*8/10)',\h'|\\n:u' . ds ~ \\k:\h'-(\\n(.wu-\*(#H-.1m)'~\h'|\\n:u' . ds / \\k:\h'-(\\n(.wu*8/10-\*(#H)'\z\(sl\h'|\\n:u' .\} . \" troff and (daisy-wheel) nroff accents .ds : \\k:\h'-(\\n(.wu*8/10-\*(#H+.1m+\*(#F)'\v'-\*(#V'\z.\h'.2m+\*(#F'.\h'|\\n:u'\v'\*(#V' .ds 8 \h'\*(#H'\(*b\h'-\*(#H' .ds o \\k:\h'-(\\n(.wu+\w'\(de'u-\*(#H)/2u'\v'-.3n'\*(#[\z\(de\v'.3n'\h'|\\n:u'\*(#] .ds d- \h'\*(#H'\(pd\h'-\w'~'u'\v'-.25m'\f2\(hy\fP\v'.25m'\h'-\*(#H' .ds D- D\\k:\h'-\w'D'u'\v'-.11m'\z\(hy\v'.11m'\h'|\\n:u' .ds th \*(#[\v'.3m'\s+1I\s-1\v'-.3m'\h'-(\w'I'u*2/3)'\s-1o\s+1\*(#] .ds Th \*(#[\s+2I\s-2\h'-\w'I'u*3/5'\v'-.3m'o\v'.3m'\*(#] .ds ae a\h'-(\w'a'u*4/10)'e .ds Ae A\h'-(\w'A'u*4/10)'E . \" corrections for vroff .if v .ds ~ \\k:\h'-(\\n(.wu*9/10-\*(#H)'\s-2\u~\d\s+2\h'|\\n:u' .if v .ds ^ \\k:\h'-(\\n(.wu*10/11-\*(#H)'\v'-.4m'^\v'.4m'\h'|\\n:u' . \" for low resolution devices (crt and lpr) .if \n(.H>23 .if \n(.V>19 \ \{\ . ds : e . ds 8 ss . ds o a . ds d- d\h'-1'\(ga . ds D- D\h'-1'\(hy . ds th \o'bp' . ds Th \o'LP' . ds ae ae . ds Ae AE .\} .rm #[ #] #H #V #F C .\" ======================================================================== .\" .IX Title "PASSWD 1" .TH PASSWD 1 "2023-09-11" "1.1.1w" "OpenSSL" .\" For nroff, turn off justification. Always turn off hyphenation; it makes .\" way too many mistakes in technical documents. .if n .ad l .nh .SH "NAME" openssl\-passwd, passwd \- compute password hashes .SH "SYNOPSIS" .IX Header "SYNOPSIS" \&\fBopenssl passwd\fR [\fB\-help\fR] [\fB\-crypt\fR] [\fB\-1\fR] [\fB\-apr1\fR] [\fB\-aixmd5\fR] [\fB\-5\fR] [\fB\-6\fR] [\fB\-salt\fR \fIstring\fR] [\fB\-in\fR \fIfile\fR] [\fB\-stdin\fR] [\fB\-noverify\fR] [\fB\-quiet\fR] [\fB\-table\fR] [\fB\-rand file...\fR] [\fB\-writerand file\fR] {\fIpassword\fR} .SH "DESCRIPTION" .IX Header "DESCRIPTION" The \fBpasswd\fR 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 \fB\-in file\fR, from stdin for option \fB\-stdin\fR, or from the command line, or from the terminal otherwise. .SH "OPTIONS" .IX Header "OPTIONS" .IP "\fB\-help\fR" 4 .IX Item "-help" Print out a usage message. .IP "\fB\-crypt\fR" 4 .IX Item "-crypt" Use the \fBcrypt\fR algorithm (default). .IP "\fB\-1\fR" 4 .IX Item "-1" Use the \s-1MD5\s0 based \s-1BSD\s0 password algorithm \fB1\fR. .IP "\fB\-apr1\fR" 4 .IX Item "-apr1" Use the \fBapr1\fR algorithm (Apache variant of the \s-1BSD\s0 algorithm). .IP "\fB\-aixmd5\fR" 4 .IX Item "-aixmd5" Use the \fB\s-1AIX MD5\s0\fR algorithm (\s-1AIX\s0 variant of the \s-1BSD\s0 algorithm). .IP "\fB\-5\fR" 4 .IX Item "-5" .PD 0 .IP "\fB\-6\fR" 4 .IX Item "-6" .PD Use the \fB\s-1SHA256\s0\fR / \fB\s-1SHA512\s0\fR based algorithms defined by Ulrich Drepper. See <https://www.akkadia.org/drepper/SHA\-crypt.txt>. .IP "\fB\-salt\fR \fIstring\fR" 4 .IX Item "-salt string" Use the specified salt. When reading a password from the terminal, this implies \fB\-noverify\fR. .IP "\fB\-in\fR \fIfile\fR" 4 .IX Item "-in file" Read passwords from \fIfile\fR. .IP "\fB\-stdin\fR" 4 .IX Item "-stdin" Read passwords from \fBstdin\fR. .IP "\fB\-noverify\fR" 4 .IX Item "-noverify" Don't verify when reading a password from the terminal. .IP "\fB\-quiet\fR" 4 .IX Item "-quiet" Don't output warnings when passwords given at the command line are truncated. .IP "\fB\-table\fR" 4 .IX Item "-table" In the output list, prepend the cleartext password and a \s-1TAB\s0 character to each password hash. .IP "\fB\-rand file...\fR" 4 .IX Item "-rand file..." 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 \fB;\fR for MS-Windows, \fB,\fR for OpenVMS, and \fB:\fR for all others. .IP "[\fB\-writerand file\fR]" 4 .IX Item "[-writerand file]" Writes random data to the specified \fIfile\fR upon exit. This can be used with a subsequent \fB\-rand\fR flag. .SH "EXAMPLES" .IX Header "EXAMPLES" .Vb 2 \& % 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/ .Ve .SH "COPYRIGHT" .IX Header "COPYRIGHT" Copyright 2000\-2021 The OpenSSL Project Authors. All Rights Reserved. .PP Licensed under the OpenSSL license (the \*(L"License\*(R"). You may not use this file except in compliance with the License. You can obtain a copy in the file \s-1LICENSE\s0 in the source distribution or at <https://www.openssl.org/source/license.html>.