function uc_encryption_class::checkRange in Ubercart 6.2

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

2 calls to uc_encryption_class::checkRange()

uc_encryption_class::decrypt in uc_store/uc_store.module

Decrypts cyphertext.

uc_encryption_class::encrypt in uc_store/uc_store.module

Encrypts plaintext.

File

uc_store/uc_store.module, line 2037

Contains global Ubercart functions and store administration functionality.

Class

uc_encryption_class

Handle encryption of credit-card information.

Code

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