minimalistic approach to auth when you need just auth and no other hassles with it...
Upload the plugin to your wp-content plugins directory.
Activate the plugin through 'Plugins WordPress.
Edit the php file and fill the in the configurations...
Why not some form Admin and save in the database..
Auth is matter, if fails, can lock your site and force you to debug live site to discover what happened with your passwords and users..
Considering that auth is configured once in installation, HTML forms and database querys are unnecessary overheads and hassles...
Browse the code, check out SVN repository, or subscribe to the development log by RSS...
Put the proper required WP in readme 1.0.3.
more complete README with FAQ and Changelog 1.0.2.
Read more