<?php
include('File/X509.php');
include('Crypt/RSA.php');

// create private key / x.509 cert for stunnel / website
$privKey = new Crypt_RSA();
extract($privKey->createKey());
$privKey->loadKey($privatekey);

$pubKey = new Crypt_RSA();
$pubKey->loadKey($publickey);
$pubKey->setPublicKey();

$subject = new File_X509();
$subject->setDNProp('id-at-organizationName', 'phpseclib demo cert');
$subject->setPublicKey($pubKey);

$issuer = new File_X509();
$issuer->setPrivateKey($privKey);
$issuer->setDN($subject->getDN());

$x509 = new File_X509();
//$x509->setStartDate('-1 month'); // default: now
//$x509->setEndDate('+1 year'); // default: +1 year

$result = $x509->sign($issuer, $subject);
$cert = $x509->saveX509($result, 1);
$asn1 = new File_ASN1();
$decoded = $asn1->decodeBER($cert);

$subject = substr($cert, $decoded[0]['content'][0]['start'], $decoded[0]['content'][0]['length']);
$result['tbsCertificate'] = new File_ASN1_Element($subject . 'zzzzz');

echo "the stunnel.pem contents are as follows:\r\n\r\n";
echo $privKey->getPrivateKey();
echo "\r\n";
echo $x509->saveX509($result);