protected function MarstonEncryption::checkRange in Ubercart 8.4

Checks that $num points to an entry in self::$scramble1.

2 calls to MarstonEncryption::checkRange()

MarstonEncryption::decrypt in uc_store/src/MarstonEncryption.php

Decrypts cyphertext.

MarstonEncryption::encrypt in uc_store/src/MarstonEncryption.php

Encrypts plaintext.

File

uc_store/src/MarstonEncryption.php, line 214

Class

MarstonEncryption

Deprecated. Handles encryption of credit-card information.

Namespace

Drupal\uc_store

Code

protected function checkRange($num) {
  $num = round($num);
  $limit = strlen(self::$scramble1);
  while ($num >= $limit) {
    $num = $num - $limit;
  }
  while ($num < 0) {
    $num = $num + $limit;
  }
  return $num;
}