encryption app for iPad

hi everyone, does anyone know of any apps that can encrypt files on jailbroken iPads? or a winzip-sorta app that does that with 256-bit encryption? thanks for your time people.

well, just in case anyone wanted to know, i found something similar-ish to my needs so here it is if anyone else needs it;

http://itunes.apple.com/app/ewallet-secure-password-manager/id284721352?mt=8#

i like how you can add some pictures as part of the attachment, password protect it and email it away or if you have iFile, up to dropbox it goes