82 lines
1.6 KiB
Text
82 lines
1.6 KiB
Text
=pod
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=head1 NAME
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passwd - compute password hashes
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=head1 SYNOPSIS
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B<openssl passwd>
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[B<-crypt>]
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[B<-1>]
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[B<-apr1>]
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[B<-salt> I<string>]
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[B<-in> I<file>]
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[B<-stdin>]
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[B<-noverify>]
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[B<-quiet>]
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[B<-table>]
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{I<password>}
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=head1 DESCRIPTION
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The B<passwd> 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>, from stdin for
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option B<-stdin>, or from the command line, or from the terminal otherwise.
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The Unix standard algorithm B<crypt> and the MD5-based BSD password
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algorithm B<1> and its Apache variant B<apr1> are available.
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=head1 OPTIONS
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=over 4
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=item B<-crypt>
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Use the B<crypt> algorithm (default).
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=item B<-1>
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Use the MD5 based BSD password algorithm B<1>.
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=item B<-apr1>
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Use the B<apr1> algorithm (Apache variant of the BSD algorithm).
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=item B<-salt> I<string>
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Use the specified salt.
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When reading a password from the terminal, this implies B<-noverify>.
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=item B<-in> I<file>
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Read passwords from I<file>.
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=item B<-stdin>
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Read passwords from B<stdin>.
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=item B<-noverify>
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Don't verify when reading a password from the terminal.
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=item B<-quiet>
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Don't output warnings when passwords given at the command line are truncated.
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=item B<-table>
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In the output list, prepend the cleartext password and a TAB character
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to each password hash.
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=back
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=head1 EXAMPLES
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B<openssl passwd -crypt -salt xx password> prints B<xxj31ZMTZzkVA>.
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B<openssl passwd -1 -salt xxxxxxxx password> prints B<$1$xxxxxxxx$8XJIcl6ZXqBMCK0qFevqT1>.
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B<openssl passwd -apr1 -salt xxxxxxxx password> prints B<$apr1$xxxxxxxx$dxHfLAsjHkDRmG83UXe8K0>.
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=cut
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