genkeypairs.php

<?php
/**
 * @package    Joomla.Cli
 *
 * @copyright  Copyright (C) 2005 - 2018 Open Source Matters, Inc. All rights reserved.
 * @license    GNU General Public License version 2 or later; see LICENSE.txt
 */

/**
 * This is a CLI script to generate keypairs which should be called from the command-line, not the
 * web. For example something like:
 * /usr/bin/php /path/to/site/cli/genkeypairs.php
 */

// Initialize Joomla framework
const _JEXEC = 1;

// Load system defines
if (file_exists(dirname(__DIR__) . '/defines.php'))
{
	require_once dirname(__DIR__) . '/defines.php';
}

if (!defined('_JDEFINES'))
{
	define('JPATH_BASE', dirname(__DIR__));
	require_once JPATH_BASE . '/includes/defines.php';
}

// Get the framework.
require_once JPATH_LIBRARIES . '/import.legacy.php';

// Bootstrap the CMS libraries.
require_once JPATH_LIBRARIES . '/cms.php';

/**
 * CLI script to generate keypairs.
 *
 * @since  __DEPLOY_VERSION__
 */
class genkeys extends JApplicationCli
{
	/**
	 * Entry point for the script
	 *
	 * @return  void
	 *
	 * @since   __DEPLOY_VERSION__
	 */
	public function doExecute()
	{
		// Keypairs generation
		$alikon_kp = ParagonIE_Sodium_Compat::crypto_sign_keypair(); 
 		$alikon_sk = ParagonIE_Sodium_Compat::crypto_sign_secretkey($alikon_kp); 
		$alikon_pk = ParagonIE_Sodium_Compat::crypto_sign_publickey($alikon_kp); 
		// Show the keypairs
		$secret_key = ParagonIE_Sodium_Compat::bin2hex($alikon_sk);
		$public_key = ParagonIE_Sodium_Compat::bin2hex($alikon_pk);
	
		echo 'PublicKey:' . $public_key, PHP_EOL;
		echo '---', PHP_EOL;
		echo 'SecrectKey:' . $secret_key, PHP_EOL;		
	}
}

JApplicationCli::getInstance('genkeys')->execute();