PHP Requires Chilkat v11.0.0+

PKCS11 Export Public Key from HSM

See more PKCS11 Examples

Demonstrates how to export a public key from a smartcard or token. Chilkat2 PHP

<?php

use Chilkat2\JsonObject;
use Chilkat2\Pkcs11;
use Chilkat2\PublicKey;

// 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 Pkcs11();

// Use the PKCS11 driver (.dll, .so, .dylib) for your particular HSM.
// (The format of the path will change with the operating system.  Obviously, "C:/" is not used on non-Windows systems.
$pkcs11->SharedLibPath = 'C:/Program Files (x86)/Gemalto/IDGo 800 PKCS#11/IDPrimePKCS1164.dll';

// Establish a logged-on session. (We can typically skip the login by passing an empty PIN if only working with public keys)
// Use your actual PIN here, or an empty string to skip login.
$pin = '0000';
$userType = 1;
try {
    $pkcs11->QuickSession($userType, $pin);
} catch (\Chilkat2\Exception $e) {
    echo $e->getMessage(), "\n";
    exit;
}

// Get the handle of the public key we wish to export.
// You can find public keys in many different ways.
// This example will search for a public key by label.

// Provide a template to find a PKCS11 object.
$jsonTemplate = new JsonObject();

// Find the public key with the label "Belgium eHealth".
$jsonTemplate->UpdateString('class', 'public_key');
$jsonTemplate->UpdateString('label', 'Belgium eHealth');

$pubKeyHandle = $pkcs11->FindObject($jsonTemplate);
if ($pubKeyHandle == 0) {
    echo $pkcs11->LastErrorText, "\n";
    exit;
}

// Export to a Chilkat public key object.
$pubKey = new PublicKey();
try {
    $pkcs11->ExportPublicKey($pubKeyHandle, $pubKey);
} catch (\Chilkat2\Exception $e) {
    echo $e->getMessage(), "\n";
    exit;
}

// Get the public key as PKCS8 PEM.
echo $pubKey->GetPem(false), "\n";

$pkcs11->Logout();
$pkcs11->CloseSession();