encrypting DVDs

I have some sensitive financial files I wish to mail out and I need them to be encrypted. Now i know there are many programs out there that can cause you to encrypt files on a hard disk. Is there anyway to actually encrypt the whole DVD as a standalone device that can be opened (decrypted) by a passward? The DVD should be standalone so it can be inserted into any dvd drive on any computer without the need of the software to decrypt it.Is this possible (except for the password)?
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PawloAAsked:
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torimarConnect With a Mentor Commented:
This should work (with a bit of fiddling from your side):

-- download and install Truecrypt: www.truecrypt.org
-- create an encrypted file container somewhere on your hard drive, say e.g.: c:\container\mycontainer.tc
-- make that container large enough to hold all the files you need to distribute, say 3 - 4 GB
-- once created, mount the container in truecrypt and then use a filemanager to copy the files to it you wish to encrypt
-- inside the Truecrypt program, choose: Tools > Traveler disk setup
-- create the traveler disk in root "c:\container"
-- make it automount the file "mycontainer.tc"
-- check "Mount volume as readonly"
-- create the traveler disk
-- burn the contents of c:\mycontainer to a DVD

If all goes well, on insertion of the DVD into any DVD drive on any (Windows) computer from XP SP2 onward, you should be asked for the password and mount settings, then the volume should become accessible.
(With some more fiddling, you should be able to incorporate executables for MAC and Linux into the traveler disk as well).

For more info, consult the Truecrypt manual on portable truecrypt and traveler disks:
http://www.truecrypt.org/docs/?s=truecrypt-portable
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torimarCommented:
ps:

The autorun feature needs to be enabled on the target computer for the automount feature to work. If it was disabled by the user, you will have to start the Truecrypt executable on the DVD manually, then manually mount the file container.
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