If you wanna make sure your passwords don't get cracked opr anything, use $md5. It can't be decrypted, but that's not needed. Just storew the $md5 encrypted version, and when someone sends a password, compare $md5(what-he-sent) to the stored encrypted version.

DALnet #Helpdesk
I hear and I forget. I see and I remember. I do and I understand. -Confucius