public function OpenSSL::getIv in DRD Agent 8.3

Same name and namespace in other branches

1. 4.0.x src/Crypt/Method/OpenSSL.php \Drupal\drd_agent\Crypt\Method\OpenSSL::getIv()

Get an initialiation vector.

Return value

string The IV.

Overrides BaseMethodInterface::getIv

1 call to OpenSSL::getIv()

OpenSSL::encrypt in src/Crypt/Method/OpenSSL.php

Encrypt and encode any list of arguments.

File

src/Crypt/Method/OpenSSL.php, line 81

Class

OpenSSL

Provides OpenSSL encryption functionality.

Namespace

Drupal\drd_agent\Crypt\Method

Code

public function getIv() : string {
  if (empty($this->iv)) {
    $nonceSize = openssl_cipher_iv_length($this->cipher);
    $strong = TRUE;

    /** @noinspection CryptographicallySecureRandomnessInspection */
    $this->iv = openssl_random_pseudo_bytes($nonceSize, $strong);
    if ($strong === FALSE || $this->iv === FALSE) {
      $this->logger
        ->warning('Your systm does not produce secure randomness.');
    }
  }
  return $this->iv;
}