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=pod
{- OpenSSL::safe::output_do_not_edit_headers(); -}
=head1 NAME
openssl-passwd - compute password hashes
=head1 SYNOPSIS
B<openssl passwd>
[B<-help>]
[B<-1>]
[B<-apr1>]
[B<-aixmd5>]
[B<-5>]
[B<-6>]
[B<-salt> I<string>]
[B<-in> I<file>]
[B<-stdin>]
[B<-noverify>]
[B<-quiet>]
[B<-table>]
[B<-reverse>]
{- $OpenSSL::safe::opt_r_synopsis -}
{- $OpenSSL::safe::opt_provider_synopsis -}
[I<password>]
=head1 DESCRIPTION
This 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>, from stdin for
option B<-stdin>, or from the command line, or from the terminal otherwise.
=head1 OPTIONS
=over 4
=item B<-help>
Print out a usage message.
=item B<-1>
Use the MD5 based BSD password algorithm B<1> (default).
=item B<-apr1>
Use the B<apr1> algorithm (Apache variant of the BSD algorithm).
=item B<-aixmd5>
Use the B<AIX MD5> algorithm (AIX variant of the BSD algorithm).
=item B<-5>
=item B<-6>
Use the B<SHA256> / B<SHA512> based algorithms defined by Ulrich Drepper.
See L<https://www.akkadia.org/drepper/SHA-crypt.txt>.
=item B<-salt> I<string>
Use the specified salt.
When reading a password from the terminal, this implies B<-noverify>.
=item B<-in> I<file>
Read passwords from I<file>.
=item B<-stdin>
Read passwords from B<stdin>.
=item B<-noverify>
Don't verify when reading a password from the terminal.
=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.
=item B<-reverse>
When the B<-table> option is used, reverse the order of cleartext and hash.
{- $OpenSSL::safe::opt_r_item -}
{- $OpenSSL::safe::opt_provider_item -}
=back
=head1 EXAMPLES
% 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/
=head1 HISTORY
The B<-crypt> option was removed in OpenSSL 3.0.
=head1 COPYRIGHT
Copyright 2000-2021 The OpenSSL Project Authors. All Rights Reserved.
Licensed under the Apache License 2.0 (the "License"). You may not use
this file except in compliance with the License. You can obtain a copy
in the file LICENSE in the source distribution or at
L<https://www.openssl.org/source/license.html>.
=cut
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