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Detailed Truecrypt questions >>> for a Truecrypt expert

1. Can TC encrypt an existing folder with data i.e. if I have a folder with 20gb of stuff, can I avoid having to move that whole folder into the 20gb container (I'm running low on disk space so I am hoping I dont need a total of 40gb to do this).

2. Is it possibly to incrementally increase the size of a TC container once it has been created and is in use?

3. When syncing a container with a cloud storage site like Livedrive, does the full container incrementally sync or would the whole 20gb container need to be transferred again because I added a few files?  What is the best way of syncing an incremental change in a container?

Thanks.
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abdb469
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abdb469
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
1. No, you cannot encrypt a folder, you can move the folder into a truecrypt container. (which is mounted and encrypted)

2. Currently, there is no support to increase the size of the encrypted container.

3. The whole 20GB container would need to be synced again, as it's checksum and signature has changed. Because the data has changed which is encrypted inside the container, block changes cannot be tracked.
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abdb469Author Commented:
What would you recommend as the best way to sync incremental files to an online cloud storage provider like Livedrive, using secure encryption products like TC?  I read somewhere on someone's Yourtube video that the are doing incremental backup of TC containers...I'll try and post the link when I get home.
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
make sure the TC volume is mounted, LiveDrive or Wuala can then sync the files.
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abdb469Author Commented:
Could you please explain in a little more detail.  If I am backing up the TC container to Livedrive (and not using the Briefcase option) how is this then done?  I cant mount the container on the other side.
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
make sute the tc container is mounted as a driver letter
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abdb469Author Commented:
Your suggestion will not work if using BACKUP rather than BRIEFCASE right?
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
I think you will find Briefcase option of Livedrive, because it maps to a drive letter on fixed local disk, is not compatible with tc containers, which need to be mounted.

Unless the tc container is in your briefcase, but Livedrive will not be able to determine which files have changed in the encrypted container, so it will always backup the entire container.
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abdb469Author Commented:
Sorry I didnt understand your last msg.  Are you saying that I have to use Briefcase because the TC has to be mounted as a drive letter and only then will it work?
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
what are you wanting to do?

Backup only the changed files in the truecrypt container to Livedrive?
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abdb469Author Commented:
Basically, I am trying to achieve one of two things.

I would like the ability to easily open a TC file on L:\ for instance on my mac after entering a password to access the data.  At some point I will want that sync'd with Livedrive within a secure container environment so that if anyone accessed my Livedrive, they cannot simply just access all my files (lets disregard not putting important stuff on the cloud or using zip etc).  

The other option is to do a proper backup rather than a sync, for permanent storage but I dont want to be transferring 1 gig TC files just because I added a 10k MS Word or excel file.
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
no sync program is going to be able just to complete the sync of 10k files youve added to encrypted comtainer.

any sync program will just detect a change in the 1 gig tc file.
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abdb469Author Commented:
10k is the the one single file size.  Not 10,000 individual files.
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
yes, 10k in size.
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