eZ\Publish\Core\Repository\UserService::createPasswordHash PHP Method

    protected function createPasswordHash($login, $password, $site, $type)
    {
        switch ($type) {
            case User::PASSWORD_HASH_MD5_PASSWORD:
                return md5($password);
            case User::PASSWORD_HASH_MD5_USER:
                return md5("{$login}\n{$password}");
            case User::PASSWORD_HASH_MD5_SITE:
                return md5("{$login}\n{$password}\n{$site}");
            case User::PASSWORD_HASH_PLAINTEXT:
                return $password;
            default:
                return md5($password);
        }
    }