Current File : /home/rs/perl/fml/lib/perl5/site_perl/5.8/Mail/DKIM/Algorithm/rsa_sha1.pm
package Mail::DKIM::Algorithm::rsa_sha1;
use strict;
use warnings;
our $VERSION = '1.20200907'; # VERSION
# ABSTRACT: rsa sha1 algorithm class
# Copyright 2005-2006 Messiah College. All rights reserved.
# Jason Long <jlong@messiah.edu>
# Copyright (c) 2004 Anthony D. Urso. All rights reserved.
# This program is free software; you can redistribute it and/or
# modify it under the same terms as Perl itself.
use base 'Mail::DKIM::Algorithm::Base';
use Carp;
use MIME::Base64;
use Digest::SHA;
sub init_digests {
my $self = shift;
# initialize a SHA-1 Digest
$self->{header_digest} = Digest::SHA->new(1);
$self->{body_digest} = Digest::SHA->new(1);
}
sub sign {
my $self = shift;
croak 'wrong number of arguments' unless ( @_ == 1 );
my ($private_key) = @_;
my $digest = $self->{header_digest}->digest;
my $signature = $private_key->sign_digest( 'SHA-1', $digest );
return encode_base64( $signature, '' );
}
sub verify {
my $self = shift;
croak 'wrong number of arguments' unless ( @_ == 0 );
my $base64 = $self->signature->data;
my $public_key = $self->signature->get_public_key;
my $sig = decode_base64($base64);
my $digest = $self->{header_digest}->digest;
return unless $public_key->verify_digest( 'SHA-1', $digest, $sig );
return $self->check_body_hash;
}
sub wants_pre_signature_headers {
return 1;
}
1;
__END__
=pod
=encoding UTF-8
=head1 NAME
Mail::DKIM::Algorithm::rsa_sha1 - rsa sha1 algorithm class
=head1 VERSION
version 1.20200907
=head1 AUTHORS
=over 4
=item *
Jason Long <jason@long.name>
=item *
Marc Bradshaw <marc@marcbradshaw.net>
=item *
Bron Gondwana <brong@fastmailteam.com> (ARC)
=back
=head1 THANKS
Work on ensuring that this module passes the ARC test suite was
generously sponsored by Valimail (https://www.valimail.com/)
=head1 COPYRIGHT AND LICENSE
=over 4
=item *
Copyright (C) 2013 by Messiah College
=item *
Copyright (C) 2010 by Jason Long
=item *
Copyright (C) 2017 by Standcore LLC
=item *
Copyright (C) 2020 by FastMail Pty Ltd
=back
This library is free software; you can redistribute it and/or modify
it under the same terms as Perl itself, either Perl version 5.8.6 or,
at your option, any later version of Perl 5 you may have available.
=cut
Mini Shell