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Windows 7: Whole disk encryption for GPT filesystem running 7

20 Feb 2014   #1

7 home premium 64 bit
Whole disk encryption for GPT filesystem running 7

If this is not the right spot for this post please move it. Thanks

I have been working on a laptop for work and it has been very hard all the way around.

Objective: Work has asked that I set up whole disk encryption on this laptop.

Here is the story: This laptop originally had windows 8 on it. The laptop is an HP Pavilion 17-e049wm or something like that. Work told us to put Symantec Full Disk Encryption on the laptop. Problem:This product does not support windows 8! We talked to work and they said make it work anyway.
So I buy and try to install windows 7. $100.... Turned out to be a bigger headache than originally expected. It has the EUFI system so that took different steps than normal.

I got 7 on and it had no drivers. A call to HP only got my warranty voided. (Thanks HP) All drivers were for windows 8 so what do i do? I install windows 8 drivers and HOPE they work. Some worked some didn't. Eventually I got all drivers working. Now I have pretty windows 7

I begin installing Symantec Full Disk Encryption and it errors out. It cost $100 I eventually got a refund. Turns out it is not compatible with GPT file system. So now work says if I have windows 8 pro I can use bittlocker.

Me:Great you tell me this AFTER i blow windows 8 away and install 7. Well I have no interest to spend another $200 to get back were i started.

Next thing to consider. If I upgrade to 7 ultimate for $100 I can have bitlocker too.
I head to windows anytime upgrade and it says 7 ultimate no longer exists and to go with windows 8.

So now I am shopping for a whole disk encryption software that will work with the GPT partition table so I can ask work if I can use that. I have already wasted enough money can I just use Truecrypt? lol

Thanks for suggestions.

My System SpecsSystem Spec
21 Feb 2014   #2

7 home premium 64 bit

Ok I have been doing research on whole disk encryption and i think i like truecrypt but I dont understand it all the way.

Work says things that it must be able to do is
1 Be full disk
2 Have 256 bit encryption
3 Ability to use USB to unincrypt is preferred.
4 Must support GPT file system.
5 They want me to enter a password before it even boots to os.

Things i would like a little more explanation of.

You have encryption algorithms--such as AES--and it consists of 256 bit key 128 bit block and 14 rounds. What does that mean? Is the key the 256 bit encryption or the block? And what is a round?
Also they have hash algorithms.
So there is a little more i need to learn.

Help would be much appreciated. Thanks
My System SpecsSystem Spec
21 Feb 2014   #3

7 home premium 64 bit

Ok here is an update.

Things i have figured out.

They are full disk
They do support GPT filesystem
They do make you enter your password before you even boot via their boot loader.
I can make it so my computer will only boot if i have cd or usb stick (As it puts the boot loader on the cd or usb stick)

I think it is 256 bit but I havent confirmed.

So last thing is IS IT 256 bit encryption.

Once that is confirmed I can continue as I have meet the requirements of work.
My System SpecsSystem Spec

21 Feb 2014   #4

7 home premium 64 bit

They do support GPT filesystem
Gee this is annoying!!! It is not supported in 8 and 2000. So is it supported in windows 7?

Where i got my info.

TrueCrypt - Version History - Part 2

Support for devices with a GPT partition table (GUID partitions). (Windows Vista/2003/XP)
What about 7????

I tried joining there forum--as they should know about there product--but they wont accept my e-mail address as it is from a free provider.

I need Some help....
My System SpecsSystem Spec
21 Feb 2014   #5

7 home premium 64 bit

By the way, TC works fine with Windows 8 if you don't have UEFI BIOS or are using the legacy boot mode. I'm using the full system encryption and some containers, and it works fine.
This is from TrueCrypt Forums :: Windows 8 support - What does it entail in the code?

I am using legacy mode. So my research results in I know nothing and will probably screw up my laptop.

I am getting tired lol spent way to many hours at this. I wonder if there is a cheering squad available for me lol. If I do find a solution to this I would love to help everyone with this problem as all my co-workers are in the same boat as me lol.

Wish me luck
My System SpecsSystem Spec
21 Feb 2014   #6

7 home premium 64 bit

Ok i decide to look ONE MORE TIME to make sure that there was no program that supported uefi GPT and found somthing called Bestcrypt.


It claims that it fully supports UEFI\GPT\Window8.

The price is $100 but it seems to do evrything i need plus it supports 448 bit encryption lol. I will never need nor want 448bit encryption but it is something they offered lol.

I suppose that i will mark this post as solved for the mean time.

My System SpecsSystem Spec

 Whole disk encryption for GPT filesystem running 7

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