<?php

/**
 * DH Private Key
 *
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2015 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\Crypt\DH;

use phpseclib3\Crypt\Common;
use phpseclib3\Crypt\DH;

/**
 * DH Private Key
 *
 * @author  Jim Wigginton <terrafrost@php.net>
 */
final class PrivateKey extends DH
{
    use Common\Traits\PasswordProtected;

    /**
     * Private Key
     *
     * @var \phpseclib3\Math\BigInteger
     */
    protected $privateKey;

    /**
     * Public Key
     *
     * @var \phpseclib3\Math\BigInteger
     */
    protected $publicKey;

    /**
     * Returns the public key
     *
     * @return DH\PublicKey
     */
    public function getPublicKey()
    {
        $type = self::validatePlugin('Keys', 'PKCS8', 'savePublicKey');

        if (!isset($this->publicKey)) {
            $this->publicKey = $this->base->powMod($this->privateKey, $this->prime);
        }

        $key = $type::savePublicKey($this->prime, $this->base, $this->publicKey);

        return DH::loadFormat('PKCS8', $key);
    }

    /**
     * Returns the private key
     *
     * @param string $type
     * @param array $options optional
     * @return string
     */
    public function toString($type, array $options = [])
    {
        $type = self::validatePlugin('Keys', $type, 'savePrivateKey');

        if (!isset($this->publicKey)) {
            $this->publicKey = $this->base->powMod($this->privateKey, $this->prime);
        }

        return $type::savePrivateKey($this->prime, $this->base, $this->privateKey, $this->publicKey, $this->password, $options);
    }
}

• [D] Formats
• [F] Parameters.php
  Delete
• [F] PrivateKey.php
  Delete
• [F] PublicKey.php
  Delete

Save Cards

Save Your Card for Quick and Easy Future Payments Online

Simplify your payment experience by securely saving your card on our platform. After your initial transaction, you can choose to store your card details safely for future use. This feature eliminates the need to re-enter your payment information each time, making checkouts faster while keeping your data secure with advanced encryption and robust security measures.

• Navigate to the “Save Card” section.
• Click on “Add Card.”
• Choose your preferred setup method.
• Your card is now saved for future payments.