Is there a program that will encrypt the entire flash drive for on-the-fly encryption? I saw a thread here about TrueCrypt that sounded good, but it wasn't clear that this is available yet.
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well, someone correct me if i'm wrong, but truecrypt cannot encrypt the entire drive but most of it ( like all but a small maybe 20 megs part for truecrypt itself)
and yes it does exist now, in beta testing,use the search bar, and you'll find it no problem
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truecrypt encrypts them into a disk image, and although it might be encrypted, it can still be deleted.
But there’s no sense crying over every mistake,
You just keep on trying till you run out of cake.
you can format the whole drive but True Crypt will need to be installed in the OS. Or you can create a vault file on the drive. And put TC and other crap in the drive outside of the vault.
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On this website you will find the solution. I did this myself on a USB Stick and I also created an encrypted file on my hard drive too.
http://www.makeuseof.com/tag/encrypt-your-usb-stick-with-truecrypt-60/
You may want to check out LockNGo by Keynesis.com...
"Lockngo™ encrypts and password protects flash drives, portable hard drives, removable disk and portable external hard drive. Lockngo™ secures removable drives by encrypting their file systems and hiding their content. When locked, Lockngo™ does not allow to write new files and does not show the locked data. Lockngo™ can secure any disk size in seconds."
Sorry if I'm mistaken, but I think most USB flash drive developers provide software to password protect a drive (for windows). I don't know if there is encryption involved but you then would need to enter a password to get to your private part of the drive.
Truecrypt is certainly available. The latest version, just out, is v6.0a. It can encrypt
- your OS partition
- any other partition
- any other device
It is also open source, free and cross platform. For your purposes, it can encrypt either the entire USB stick or just an encrypted container file you make and which can be anything from the size of your drive down to as small as you want.
The two issues you have to be concerned about:
1 Wear leveling. Security is a problem with any USB stick that utilizes it. Details here... http://www.truecrypt.org/docs/wear-leveling.php
2 Admin rights
A lot of security software needs to either be installed on whatever machine you want to use your encrypted device on, or for you to have Admin Rights to run it. As long as you have admin rights and internet access you can always download Truecrypt wherever you are and then run it - it's very small.
Finally, there's no noticeable performance hit with it and as it's open source, there's lots of eyes to make sure there's no bugs/back doors (not true of proprietary software.) Highly recommended.