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How to setup Truecrypt properly?

Posted on 2007-03-28
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Hi,

I do have a 2nd harddrive where I'd like to store sensitive data encrypted by TrueCrypt. Now I'd like to know what the "best" way to setup the new drive.

- It's a 500gb drive, are there any pro's/con's when using the whole 500gb as one container or would it be better to not use a container (select file), but the "select device" option for the whole drive.

- Is it possible to defrag the drive, or can this cause problems? Should the dive be defrag'd when mounted?

- I want to use "weak" password, but with a keyfile. As one without the other is useless, the "weak" password shouldn't be a problem? What do you think?

- Which hash algo. should be used?

Any further advices are greatly welcome.

Thanks,
su-n
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Question by:su-n
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Toni Uranjek earned 2000 total points
ID: 18806445
I dont believe that there is really best practice for using TrueCrypt it comes down to what you prefer. Regarding your questions I would suggest:
- if you use "Select file.." instead of "Select device..." file can be easily transfered to other disk.
- You can defrag contetnts of a drive when drive is mounted but I'm not sure it will significantly improve performance, I believe it's more important to have TrueCrypt file as contiguous file. You can use "contig" from sysinternals to achive that (http://www.microsoft.com/technet/sysinternals/fileanddiskutilities.mspx)
- I would never use weak passwords, even if you choose use keyfiles. Strong password is the best security, keyfiles get lost, corrupted or can be stolen!
- I believe that all three supported hash algorithms can be safely used. For encryption I would choose one of the available "cascade" options and that would depend on level of performance. You can benchmark your TrueCrypt volume to see differences.

HTH

Toni
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