This site isn't about pot, but I'm starting to wonder if the O'Reilly Network isn't.

Retrieves the salt and the hash of the password and salt from the database for the specified username. The user-entered password is concatenated with the retrieved salt and the hash is generated. If the hash matches the hash retrieved from the database, the user is authenticated.

What with all the hash and salt (pot & food)... At least they aren't poorly forced acronyms.