At 02:36 PM 2/10/2008, Fred Holmes wrote:
Can the data which is encrypted/hidden by truecrypt be backed up by
an "ordinary" backup program that catalogs the files on the source
and backup drives, and copies new/newer files to the backup
drive? Is there special backup software provided to accomplish backups?
My reading of the documentation is that if the Truecrypt device
driver is running, any normal program can access the file normally.
If the device driver is not running, than the file cannot be
identified by any other software. There are a couple of possible
problems with paging files, the registry, and a few other things, but
the Truecrypt documentation gives work arounds.
You can also run it from a USB memory drive, but check the drive's
specifications: some of these move the data around to keep from
wearing them out. Truecrypt docs explain the problem.
The program can be run from a server, or from a disk, and thus need
not be on the computer. All the data can also be on the server. If
you can set up a virtual private network (VPN), that makes it easy to
be safe. Otherwise, keep your backup on line on one of the online
backup servers (or your company's server), and keep Truecrypt on the
backup server, and download and install it as needed, and remove it when done.
Make sure you have some disk-wiping software to remove traces of the
program and data, or to explain why you don't have the data on your disk.
It's not something I think I need at present, though I know people
who do need it because they may travel with confidential data that is
commercially valuable, and may travel to one of the many countries
where it is reputed that the police or security services are support
the commercial interests of the country.
Fred Holmes
At 07:30 AM 2/10/2008, Wayne Dernoncourt wrote:
>David Chessler
>> At 09:49 PM 2/9/2008, Tony B wrote:
>>>I'm not sure I believe this. Once it's been determined
>>>you've used TC, wouldn't there then be an assumption
>>>the outer container was just anouter container?
>
>>>I mean, a "robber's purse" is not a new concept.
>
>> Check the documentation. The source code is on line.
>> Basically, random data on your computer, without
>> headers or other obvious ways of identifying it, is
>> a real problem to identify as such. There are ways
>> of identifying "steganography" because of the way
> <snip>
>
>Security Now had an analysis and review of TrueCrypt
>last year and didn't have anything negative to say
>about it, pretty much a glowing review.
>
>--
>Take care | This clown speaks for himself, his job doesn't
>Wayne D. | supply this, at least not directly
>Take my advice, I not using it!
>
>
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