Perl Requires Chilkat v9.5.0.97+

PKCS11 Sign PDF with Smart Card with 2 PINs

See more PKCS11 Examples

Shows how to sign a PDF using a smart card that has one pin for USER, and a 2nd PIN for signing. Chilkat2 Perl

use strict;
use warnings;
use Chilkat2;

# This example requires the Chilkat API to have been previously unlocked.
# See Global Unlock Sample for sample code.

# Note: Chilkat's PKCS11 implementation runs on Windows, Linux, Mac OS X, and other supported operating systems.

my $pkcs11 = Chilkat2::Pkcs11->new;

$pkcs11->SharedLibPath('C:/Program Files (x86)/Gemalto/IDGo 800 PKCS#11/IDPrimePKCS1164.dll');

# --------------------------
# Provide the user PIN here.
# --------------------------
my $user_pin = '0000';
my $userType = 1;

# Establish a PKCS11 logged-on session using the driver (.so, .dylib, or .dll) as specified in the SharedLibPath above.
my $success = $pkcs11->QuickSession($userType, $user_pin);
if (!$success) {
    print $pkcs11->LastErrorText, "\n";
    exit;
}

# -----------------------------------------------------------
# Also indicate the context-specific PIN required for signing.
# -----------------------------------------------------------
$pkcs11->SigContextPin('1234');

# Get the certificate (on the smart card) that has a private key.
# There are other ways to locate a certificate on the HSM.
# This example assumes there is a single certificate w/ private key.
my $cert = Chilkat2::Cert->new;
$success = $pkcs11->FindCert('privateKey', '', $cert);
if ($success) {
    print 'Cert with private key: ', $cert->SubjectCN, "\n";
} else {
    print "No certificates having a private key were found.\n";
    $success = $pkcs11->CloseSession();
    exit;
}

# --------------------------------------------------------------------------
# At this point, we have the cert to be used for signing.
# Our PDF signing code is the same as for a cert obtained from any other source..

my $pdf = Chilkat2::Pdf->new;

# Load a PDF to be signed.
$success = $pdf->LoadFile('qa_data/pdf/hello.pdf');
if (!$success) {
    print $pdf->LastErrorText, "\n";
    $success = $pkcs11->CloseSession();
    exit;
}

my $json = Chilkat2::JsonObject->new;

$json->UpdateInt('page', 1);
$json->UpdateString('appearance.y', 'top');
$json->UpdateString('appearance.x', 'left');
$json->UpdateString('appearance.fontScale', '10.0');
$json->UpdateString('signingAlgorithm', 'pss');
$json->UpdateString('hashAlgorithm', 'sha256');

my $i = 0;
$json->I($i);
$json->UpdateString('appearance.text[i]', 'Digitaly signed by: Xyz Widgets, Inc.');
$i = $i + 1;
$json->I($i);
$json->UpdateString('appearance.text[i]', 'current_dt');
$i = $i + 1;
$json->I($i);
$json->UpdateString('appearance.text[i]', 'blah blah blah');

# The certificate is internally linked to the Pkcs11 object, which is currently in an authenticated session.
$success = $pdf->SetSigningCert($cert);

$success = $pdf->SignPdf($json, 'qa_output/out.pdf');
if (!$success) {
    print $pdf->LastErrorText, "\n";
    $success = $pkcs11->CloseSession();
    exit;
}

# --------------------------------------------------------------------------

# Revert to an unauthenticated session by calling Logout.
$success = $pkcs11->Logout();
if (!$success) {
    print $pkcs11->LastErrorText, "\n";
    $success = $pkcs11->CloseSession();
    exit;
}

# When finished, close the session.
# It is important to close the session (memory leaks will occur if the session is not properly closed).
$success = $pkcs11->CloseSession();
if (!$success) {
    print $pkcs11->LastErrorText, "\n";
    exit;
}

print "Success.\n";