PHP Requires Chilkat v11.0.0+

PKCS11 Import an Existing RSA Public Key onto the HSM

See more PKCS11 Examples

Demonstrates how to import an existing RSA Public Key onto a smart card or token.

Note: This example requires Chilkat v9.5.0.96 or later.

Chilkat2 PHP

<?php

use Chilkat2\JsonObject;
use Chilkat2\Pkcs11;
use Chilkat2\PrivateKey;
use Chilkat2\PublicKey;
use Chilkat2\Rsa;
use Chilkat2\Xml;

// 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.
$pin = '0000';
$userType = 1;
try {
    $pkcs11->QuickSession($userType, $pin);

    // Generate a new 2048-bit RSA key.
    $rsa = new Rsa();
    $privKey = new PrivateKey();
    $rsa->GenKey(2048, $privKey);
} catch (\Chilkat2\Exception $e) {
    echo $e->getMessage(), "\n";
    exit;
}

// Get the public key information as XML, so we can access the modulus and exponent.
$xml = new Xml();
$pubKey = new PublicKey();
$privKey->ToPublicKey($pubKey);
$xml->LoadXml($pubKey->GetXml());

$attrs = new JsonObject();
// Specify the type of object, and the type of key.
$attrs->UpdateString('class', 'CKO_PUBLIC_KEY');
$attrs->UpdateString('key_type', 'CKK_RSA');
// Add an optional label if desired.
$attrs->UpdateString('label', 'RSA Public Key 1');
// Allow the key to be use for verify, wrapping, and encryption operations.
$attrs->UpdateBool('verify', true);
$attrs->UpdateBool('wrap', true);
$attrs->UpdateBool('encrypt', true);

// Make this a session-only public key.
// To store the public key on the token so that it persists after the PKCS11 session, set token = true.
$attrs->UpdateBool('token', false);

// Provide the RSA public key material
$attrs->UpdateString('modulus', $xml->GetChildContent('Modulus'));
$attrs->UpdateString('public_exponent', $xml->GetChildContent('Exponent'));

// Create the RSA public key.
// Returns the PKCS11 object handle of the created key.
$objHandle = $pkcs11->CreatePkcs11Object($attrs);
if ($objHandle == 0) {
    echo $pkcs11->LastErrorText, "\n";
    echo "Failed.\n";
} else {
    echo 'PKCS11 object handle = ', $objHandle, "\n";
    echo "Successfully imported an RSA key..\n";
}

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