Perl Requires Chilkat v9.5.0.88+

PKCS11 Find All Certificates on Smart Card or USB Token

See more PKCS11 Examples

Sample code showing how to examine all the certificates on a smart card or USB token. 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;

# Set your shared lib path -- either a full path to the DLL, .so, or .dylib,
# or just the filename if the driver is in a location that can be automatically found. (Such as in C:\Windows\System32)
$pkcs11->SharedLibPath('aetpkss1.dll');

my $success = $pkcs11->Initialize();
if (!$success) {
    print $pkcs11->LastErrorText, "\n";
    exit;
}

# Pass -1 for the slotID to open a session on the first non-empty slot.
my $slotID = -1;

# Open a session.
my $readWrite = 1;
$success = $pkcs11->OpenSession($slotID, $readWrite);
if (!$success) {
    print $pkcs11->LastErrorText, "\n";
    exit;
}

# Make it an authenticated session by calling Login.
#
# If we don't authenticate, then we won't be able to see the private keys, and thus
# we won't know which certificates have an associated private key stored on the smart card.

# The smart card PIN is passed to the Login method.
# userType 1 indicates a "Normal User".
my $userType = 1;
my $pin = '0000';
$success = $pkcs11->Login($userType, $pin);
if (!$success) {
    print $pkcs11->LastErrorText, "\n";
    $success = $pkcs11->CloseSession();
    exit;
}

# Call FindAllCerts to find all certificates on the smart card or USB token.
$success = $pkcs11->FindAllCerts();
if (!$success) {
    print $pkcs11->LastErrorText, "\n";
    $success = $pkcs11->CloseSession();
    exit;
}

# The NumCerts property is set by FindAllCerts.
my $numCerts = $pkcs11->NumCerts;
print 'Number of certs: ', $numCerts, "\n";

my $privateKeyNote = '';
my $cert = Chilkat2::Cert->new;
my $i = 0;
while ($i < $numCerts) {
    $pkcs11->GetCert($i, $cert);
    $privateKeyNote = '';
    if ($cert->HasPrivateKey()) {
        $privateKeyNote = '(has private key)';
    }

    print $i, ': ', $privateKeyNote, ' ', $cert->SubjectDN, "\n";
    print $i, ': issuer: ', $cert->IssuerDN, "\n";
    print "----\n";
    $i = $i + 1;
}

# 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";