function login_history_assemble_cookie in Login History 7

Assembles and signs a device ID cookie.

Parameters

string $device_id: The device id.

int $login_id: The login_history.login_id.

$salt: The salt, e.g. from drupal_get_hash_salt().

Return value

string A signed string to set in a cookie.

2 calls to login_history_assemble_cookie()

login_history_get_device_id_from_cookie in ./login_history.inc

Gets a device id from a login history cookie while validating authenticity.

login_history_user_login in ./login_history.module

Implements hook_user_login().

File

./login_history.inc, line 65

Helper functions for login_history that have no dependencies.

Code

function login_history_assemble_cookie($device_id, $login_id, $salt) {
  $message = $device_id . '-' . $login_id;
  return hash_hmac('sha256', $message, $salt) . '-' . $message;
}