function drupal_get_hash_salt

7.x bootstrap.inc drupal_get_hash_salt()

Gets a salt useful for hardening against SQL injection.

Return value

A salt based on information in settings.php, not in the database.

6 calls to drupal_get_hash_salt()
drupal_generate_test_ua in drupal-7.x/includes/bootstrap.inc
Generates a user agent string with a HMAC and timestamp for simpletest.
drupal_get_token in drupal-7.x/includes/common.inc
Generates a token based on $value, the user session, and the private key.
drupal_valid_test_ua in drupal-7.x/includes/bootstrap.inc
Returns the test prefix if this is an internal request from SimpleTest.
image_style_path_token in drupal-7.x/modules/image/image.module
Generates a token to protect an image style derivative.
user_pass_rehash in drupal-7.x/modules/user/user.module
Creates a unique hash value for use in time-dependent per-user URLs.

... See full list

File

drupal-7.x/includes/bootstrap.inc, line 2289
Functions that need to be loaded on every Drupal request.

Code

function drupal_get_hash_salt() {
  global $drupal_hash_salt, $databases;
  // If the $drupal_hash_salt variable is empty, a hash of the serialized
  // database credentials is used as a fallback salt.
  return empty($drupal_hash_salt) ? hash('sha256', serialize($databases)) : $drupal_hash_salt;
}