public static function AES::make_iv in AES encryption 8.2

Generate an IV - initialization vector - and store it in configuration.

Parameters

bool $ignore_implementation:

3 calls to AES::make_iv()

AES::encrypt in src/AES.php

Encrypts a string.

AesAdminForm::submitForm in src/Form/AesAdminForm.php

Form submission handler.

aes_install in ./aes.install

Implements hook_install().

File

src/AES.php, line 119

Class

AES

Namespace

Drupal\aes

Code

public static function make_iv($ignore_implementation = FALSE) {
  $config = FileStorageFactory::getActive()
    ->read('aes.settings');

  // Bail out if using phpseclib
  if ($config['implementation'] == 'phpseclib' && $ignore_implementation == FALSE) {
    \Drupal::logger('aes')
      ->warning("Called make_iv when using phpseclib. This is harmless, but shouldn't happen.");
    return;
  }
  $randgen = strtoupper(substr(PHP_OS, 0, 3)) === 'WIN' ? MCRYPT_RAND : MCRYPT_DEV_URANDOM;
  $cryptor = mcrypt_module_open($config['cipher'], '', MCRYPT_MODE_CBC, '');
  if (!$cryptor) {
    \Drupal::logger('aes')
      ->warning(t('Problem while calling mcrypt_module_open for cipher %cipher.'), array(
      '%cipher' => $config['cipher'],
    ));
    return;
  }
  $iv = mcrypt_create_iv(mcrypt_enc_get_iv_size($cryptor), $randgen);
  mcrypt_module_close($cryptor);
  $config['mcrypt_iv'] = base64_encode($iv);
  FileStorageFactory::getActive()
    ->write('aes.settings', $config);
}