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.\" ========================================================================
.\"
.IX Title "PASSWD 1"
.TH PASSWD 1 "2010-12-02" "0.9.8q" "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"
passwd \- compute password hashes
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
\&\fBopenssl passwd\fR
[\fB\-crypt\fR]
[\fB\-1\fR]
[\fB\-apr1\fR]
[\fB\-salt\fR \fIstring\fR]
[\fB\-in\fR \fIfile\fR]
[\fB\-stdin\fR]
[\fB\-noverify\fR]
[\fB\-quiet\fR]
[\fB\-table\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.
The Unix standard algorithm \fBcrypt\fR and the MD5\-based \s-1BSD\s0 password
algorithm \fB1\fR and its Apache variant \fBapr1\fR are available.
.SH "OPTIONS"
.IX Header "OPTIONS"
.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\-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.
.SH "EXAMPLES"
.IX Header "EXAMPLES"
\&\fBopenssl passwd \-crypt \-salt xx password\fR prints \fBxxj31ZMTZzkVA\fR.
.PP
\&\fBopenssl passwd \-1 \-salt xxxxxxxx password\fR prints \fB\f(CB$1\fB$xxxxxxxx$UYCIxa628.9qXjpQCjM4a.\fR.
.PP
\&\fBopenssl passwd \-apr1 \-salt xxxxxxxx password\fR prints \fB\f(CB$apr1\fB$xxxxxxxx$dxHfLAsjHkDRmG83UXe8K0\fR.
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