Crypt::OpenSSL::DSA::Signature

Section: User Contributed Perl Documentation (3)
Updated: 2002-09-24
Index Return to Main Contents
 

NAME

  Crypt::OpenSSL::DSA::Signature - Digital Signature Object

 

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);

 

CLASS METHODS

$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.
 

OBJECT METHODS

$r = $sig_obj->get_r;
Gets first member of signature pair.
$s = $sig_obj->get_s;
Gets second member of signature pair.
$r = $sig_obj->set_r;
Sets first member of signature pair.
$s = $sig_obj->set_s;
Sets second member of signature pair.
 

AUTHOR

T.J. Mather, <tjmather@maxmind.com>  

SEE ALSO

Crypt::OpenSSL::DSA  

POD ERRORS

Hey! The above document had some coding errors, which are explained below:
Around line 23:
'=item' outside of any '=over'
Around line 28:
You forgot a '=back' before '=head1'
Around line 30:
'=item' outside of any '=over'
Around line 46:
You forgot a '=back' before '=head1'