202 lines
5.9 KiB
Groff
202 lines
5.9 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 "2015-07-09" "1.0.1p" "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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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\-crypt\fR]
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[\fB\-1\fR]
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[\fB\-apr1\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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{\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 and its Apache variant \fBapr1\fR are available.
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.SH "OPTIONS"
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.IX Header "OPTIONS"
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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\-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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.SH "EXAMPLES"
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.IX Header "EXAMPLES"
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\&\fBopenssl passwd \-crypt \-salt xx password\fR prints \fBxxj31ZMTZzkVA\fR.
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.PP
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\&\fBopenssl passwd \-1 \-salt xxxxxxxx password\fR prints \fB\f(CB$1\fB$xxxxxxxx$UYCIxa628.9qXjpQCjM4a.\fR.
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.PP
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\&\fBopenssl passwd \-apr1 \-salt xxxxxxxx password\fR prints \fB\f(CB$apr1\fB$xxxxxxxx$dxHfLAsjHkDRmG83UXe8K0\fR.
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