Encrypting/Decrypting Data

Hello. How do you decrypt a data that's encrypted with crypt($data). Now, the php documents says crypt() is a one-way crypting function, so there is no decrypt() function. I was wondering if someone could shed some light on alternative ways to encrypt & decrypt data. I've looked at mcrypt_generic and mdecrypt_generic, but am confused by the 'resource td' parameter. Perhaps, someone can explain that as well. Any help is greatly apprciated. -john =P e p i e D e s i g n s= www.pepiedesigns.com Providing Solutions That Increase Productivity Web Developement. Database. Hosting. Multimedia.