=head1 NAME
Crypt::OpenSSL::DSA::Signature - Digital Signature Object
=head1 SYNOPSIS
use Crypt::OpenSSL::DSA;
my $dsa_priv = Crypt::OpenSSL::DSA->read_priv_key( $filename );
my $sig_obj = $dsa_priv->do_sign($message);
my $dsa_pub = Crypt::OpenSSL::DSA->read_pub_key( $filename );
my $valid = $dsa_pub->do_verify($message, $sig_obj);
my $r = $sig_obj->get_r;
my $s = $sig_obj->get_s;
my $sig_obj2 = Crypt::OpenSSL::DSA::Signature->new();
$sig_obj2->set_r($r);
$sig_obj2->set_s($s);
my $valid = $dsa_pub->do_verify($message, $sig_obj2);
=head1 CLASS METHODS
=item $sig_obj = Crypt::OpenSSL::DSA::Signature->new();
Create a new DSA Signature Object. You will need to
call set_r and set_s after you create this.
=head1 OBJECT METHODS
=item $r = $sig_obj->get_r;
Gets first member of signature pair.
=item $s = $sig_obj->get_s;
Gets second member of signature pair.
=item $r = $sig_obj->set_r;
Sets first member of signature pair.
=item $s = $sig_obj->set_s;
Sets second member of signature pair.
=head1 AUTHOR
T.J. Mather, E<lt>tjmather@maxmind.comE<gt>
=head1 SEE ALSO
L<Crypt::OpenSSL::DSA>
=cut