Blowfish

<?php
class cipher
{
  private static $mode = 'MCRYPT_BLOWFISH';
  private static $key = 'll@veNVA';

  public static function encrypt($dato)
  {
      $iv = mcrypt_create_iv(mcrypt_get_iv_size(constant(self::$mode), MCRYPT_MODE_ECB), MCRYPT_RAND);
      $passcrypt = mcrypt_encrypt(constant(self::$mode), self::$key, $dato, MCRYPT_MODE_ECB, $iv);
      $encode = base64_encode($passcrypt);
      return $encode;
  }

  public static function decrypt($dato)
  {
      $decoded        = base64_decode($dato);
      $iv                 = mcrypt_create_iv(mcrypt_get_iv_size(constant(self::$mode), MCRYPT_MODE_ECB), MCRYPT_RAND);
      $decrypted  = mcrypt_decrypt(constant(self::$mode), self::$key, $decoded, MCRYPT_MODE_ECB, $iv);
      return $decrypted;
  }
}



$obj = new cipher();
$dato = "axel100";

$encriptado = $obj->encrypt($dato);
echo "Encriptado => " . $encriptado;
echo "<br>";
$desencriptado = $obj->decrypt($encriptado);
echo "Desencriptado => " . $desencriptado;



?>