Hash key (in core.php):

/**
 * A random string used in security hashing methods.
 */
	Configure::write('Security.salt', 'j584934jmtu034ß0msd08496mdfög');
	
Using this key, you get the following password (the hashed text) for the default user:

Clear text: glueck
Key: j584934jmtu034ß0msd08496mdfög
Hashed text: 5f6fd3b27872e2e1e76603ec872d0d5ee3f1b6a0