/usr/share/perl5/GnuPG/Tie/Decrypt.pm is in libgnupg-perl 0.19-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# GnuPG/Tie/Decrypt.pm - Tied file handle interface to the decryption
# functionality of GnuPG.
#
# This file is part of GnuPG.pm.
#
# Author: Francis J. Lacoste <francis.lacoste@Contre.COM>
#
# Copyright (C) 1999, 2000 iNsu Innovations Inc.
# Copyright (C) 2001 Francis J. Lacoste
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
package GnuPG::Tie::Decrypt;
use GnuPG;
use GnuPG::Tie;
use vars qw( @ISA );
BEGIN {
@ISA = qw( GnuPG::Tie );
};
sub run_gnupg {
my $self = shift;
$self->{last_sig} = undef;
$self->{args} = [ @_ ];
$self->{gnupg}->decrypt( @_ );
};
sub postread_hook {
my $self = shift;
$self->{gnupg}->decrypt_postread( @{$self->{args}} );
}
sub postwrite_hook {
my $self = shift;
$self->{last_sig} = $self->{gnupg}->decrypt_postwrite( @{$self->{args}} );
}
sub signature {
my $self = shift;
return $self->{last_sig};
}
1;
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