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<?php

// We do not need this file any more
@unlink('privatekey.php');

$ltikey = __mod_lti_verify_private_key();
$enrol_lti = __mod_lti_verify_private_key();

echo '<kid>'.$ltikey['kid'].'</kid>';
echo '<privatekey>'.$ltikey['privatekey'].'</privatekey>';

echo '<enrol_lti_kid>'.$enrol_lti['kid'].'</enrol_lti_kid>';
echo '<enrol_lti_privatekey>'.$enrol_lti['privatekey'].'</enrol_lti_privatekey>';

function __mod_lti_verify_private_key() {
	global $error;
	
	if (!function_exists('openssl_random_pseudo_bytes')) {
		$error[] = "openssl must be loaded for openssl_random_pseudo_bytes to function";
		return null;
	}
	
	// Create the private key.
	