function uc_encryption_class::_convertKey in Ubercart 5

2 calls to uc_encryption_class::_convertKey()

uc_encryption_class::decrypt in uc_store/uc_store.module

uc_encryption_class::encrypt in uc_store/uc_store.module

File

uc_store/uc_store.module, line 2816

Contains global Ubercart functions and store administration functionality.

Class

uc_encryption_class

Trimmed down version of GPL class by Tony Marston. Details available at http://www.tonymarston.co.uk/php-mysql/encryption.html

Code

function _convertKey($key) {
  if (empty($key)) {

    // Commented out to prevent errors getting logged for use cases that may
    // have variable encryption/decryption requirements. -RS
    // $this->errors[] = 'No value has been supplied for the encryption key';
    return;
  }
  $array[] = strlen($key);
  $tot = 0;
  for ($i = 0; $i < strlen($key); $i++) {
    $char = substr($key, $i, 1);
    $num = strpos($this->scramble1, $char);
    if ($num === false) {
      $this->errors[] = "Key contains an invalid character ({$char})";
      return;
    }
    $array[] = $num;
    $tot = $tot + $num;
  }
  $array[] = $tot;
  return $array;
}