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=pod
=head1 NAME
passwd - compute password hashes
=head1 SYNOPSIS
B<openssl passwd>
[B<-crypt>]
[B<-apr1>]
[B<-salt string>]
[B<-in file>]
[B<-stdin>]
[B<-quiet>]
[B<-table>]
{B<password>}
=head1 DESCRIPTION
The B<passwd> 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 B<-in file>, from stdin for
option B<-stdin>, and from the command line otherwise.
The Unix standard algorithm B<crypt> and the MD5-based B<apr1> algorithm
are available.
=head1 OPTIONS
=over 4
=item B<-crypt>
Use the B<crypt> algorithm (default).
=item B<-apr1>
Use the B<apr1> algorithm.
=item B<-salt string>
Use the specified salt.
=item B<-in file>
Read passwords from B<file>.
=item B<-stdin>
Read passwords from B<stdin>.
=item B<-quiet>
Don't output warnings when passwords given at the command line are truncated.
=item B<-table>
In the output list, prepend the cleartext password and a TAB character
to each password hash.
=back
=head1 EXAMPLE
B<openssl passwd -crypt -salt xx password> prints B<xxj31ZMTZzkVA>.
B<openssl passwd -apr1 -salt xx password> prints B<$apr1$xx$2eRrCdRwKOfJOth0w31wR.>.
=cut
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