PHP ActiveX

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.

Note: This example requires Chilkat v9.5.0.88 or later.

PHP ActiveX

<?php

$success = 0;

// 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.

$pkcs11 = new COM("Chilkat.Pkcs11");

// 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';

$success = $pkcs11->Initialize();
if ($success == 0) {
    print $pkcs11->LastErrorText . "\n";
    exit;
}

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

// Open a session.
$readWrite = 1;
$success = $pkcs11->OpenSession($slotID,$readWrite);
if ($success == 0) {
    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".
$userType = 1;
$pin = '0000';
$success = $pkcs11->Login($userType,$pin);
if ($success == 0) {
    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 == 0) {
    print $pkcs11->LastErrorText . "\n";
    $success = $pkcs11->CloseSession();
    exit;
}

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

$cert = new COM("Chilkat.Cert");
$i = 0;
while ($i < $numCerts) {
    $pkcs11->GetCert($i,$cert);
    $privateKeyNote = '';
    if ($cert->HasPrivateKey() == 1) {
        $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 == 0) {
    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 == 0) {
    print $pkcs11->LastErrorText . "\n";
    exit;
}

print 'Success.' . "\n";

?>