(PHP ActiveX) 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.

Chilkat ActiveX Downloads ActiveX for 32-bit and 64-bit Windows Note: The php_com_dotnet.dll may need to be enabled inside of php.ini.

<?php

// 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.

// For versions of Chilkat < 10.0.0, use new COM('Chilkat_9_5_0.Chilkat.Pkcs11')
$pkcs11 = new COM("Chilkat.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;
$success = $pkcs11->QuickSession($userType,$pin);
if ($success == 0) {
    print $pkcs11->LastErrorText . "\n";
    exit;
}

// Generate a new 2048-bit RSA key.
// For versions of Chilkat < 10.0.0, use new COM('Chilkat_9_5_0.Chilkat.Rsa')
$rsa = new COM("Chilkat.Rsa");
$success = $rsa->GenerateKey(2048);
if ($success == 0) {
    print $rsa->LastErrorText . "\n";
    exit;
}

// Get the public key information as XML, so we can access the modulus and exponent.
// For versions of Chilkat < 10.0.0, use new COM('Chilkat_9_5_0.Chilkat.Xml')
$xml = new COM("Chilkat.Xml");
$xml->LoadXml($rsa->exportPublicKey());

// For versions of Chilkat < 10.0.0, use new COM('Chilkat_9_5_0.Chilkat.JsonObject')
$attrs = new COM("Chilkat.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',1);
$attrs->UpdateBool('wrap',1);
$attrs->UpdateBool('encrypt',1);

// 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 = 1.
$attrs->UpdateBool('token',0);

// 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) {
    print $pkcs11->LastErrorText . "\n";
    print 'Failed.' . "\n";
}
else {
    print 'PKCS11 object handle = ' . $objHandle . "\n";
    print 'Successfully imported an RSA key..' . "\n";
}

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

?>