Cloudbackup strategy for a large Truecrypt volume.

techguy

Hi,

So i'm starting to backup my data to Amazon S3 using DragonDisk.

It works great for regular files that don't require encryption. My problem is with a Truecrypt container that has some files in it.

Currently if any files in the volume change DragonDisk will need to re-upload the entire archive, which is not practical.

One solution i've just thought up is to write a script to mount the Truecrypt (TC)volume locally then synchronize the contents with S3. For this i'd probably have to use the DragonDisk crypto. Another concern is that the TC volume password would be stored in plaintext. Not very secure.

Also, as a side question. Are files encrypted with specific software portable. For example I use software A to encrypt a file using AES, can I decrypt using software B if I know it was AES (or can it detect algorithm) and I supply a password.

Any advice greatly appreciated.

_AVALANCHE_

http://www.makeuseof.com/tag/5-ways-to-securely-encrypt-your-files-in-the-cloud/

techguy

_AVALANCHE_ wrote: »

http://www.makeuseof.com/tag/5-ways-to-securely-encrypt-your-files-in-the-cloud/

I like the encFS approach there, i'll keep it in mind for my linux box but currently seeking a Windows solution.

I've just done some reading and it turns out I should be using block level synchronization for large files.

I'm going to give GoodSync a go and see how I get on.

Thanks