<?php

/**
 * Base Class for all stream ciphers
 *
 * PHP version 5
 *
 * @author    Jim Wigginton <terrafrost@php.net>
 * @author    Hans-Juergen Petrich <petrich@tronic-media.com>
 * @copyright 2007 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\Crypt\Common;

/**
 * Base Class for all stream cipher classes
 *
 * @author  Jim Wigginton <terrafrost@php.net>
 */
abstract class StreamCipher extends SymmetricKey
{
    /**
     * Block Length of the cipher
     *
     * Stream ciphers do not have a block size
     *
     * @see \phpseclib3\Crypt\Common\SymmetricKey::block_size
     * @var int
     */
    protected $block_size = 0;

    /**
     * Default Constructor.
     *
     * @see \phpseclib3\Crypt\Common\SymmetricKey::__construct()
     * @return \phpseclib3\Crypt\Common\StreamCipher
     */
    public function __construct()
    {
        parent::__construct('stream');
    }

    /**
     * Stream ciphers not use an IV
     *
     * @return bool
     */
    public function usesIV()
    {
        return false;
    }
}

• [D] Formats
• [D] Traits
• [F] AsymmetricKey.php
  Delete
• [F] BlockCipher.php
  Delete
• [F] PrivateKey.php
  Delete
• [F] PublicKey.php
  Delete
• [F] StreamCipher.php
  Delete
• [F] SymmetricKey.php
  Delete

How To Payment

Simple Steps to Complete Your Payment Securely and Efficiently

Making a payment on our website is quick and secure. Start by logging in or creating an account. Select your preferred payment method, input the required details, and review the information. Once you confirm everything is correct, click on the "Submit Payment" button. You’ll receive instant confirmation and can track your payment status through your account dashboard. It’s an easy and secure process.

• Go to the Payment Section: Access the payment area on our website or app.
• Choose Your Payment Method: Select your preferred payment option.
• Enter Payment Details: Provide the necessary payment information.
• Verify Your Information: Check that all details are correct.
• Confirm Your Payment: Click "Submit Payment" to complete the transaction.