Security Basics mailing list archives

Re: Encryption Solution


From: Shreyas Zare <shreyas () technitium com>
Date: Wed, 21 Jan 2009 22:48:32 +0530

Hi,

You can take multiple backup copies of blue ray then. Once data is
corrupt on dvd then you are bound to lose the encrypted data. If you
got multiple copies, then in case of corruption, a simple code to
compare the data bitwise on all copies can be made to retrieve back
the original bits. If you got 3 copies then this method would give
better result as same bit getting corrupt on 2 copies can be assumed
rare case, so a comparison with 3 copies can get the correct bit.

Regards,

On Wed, Jan 21, 2009 at 10:38 PM, Sebastian Anding <kb () cccmz de> wrote:
Hi,

the 25 GB will be burned to an Blu Ray Disc. That is why a RAID is not useable here.
Do you recommend an 25 GB Truecrypt Container? I can test if it survives Bitflipping.

Sebastian

On Wed, Jan 21, 2009 at 10:04:52PM +0530, Shreyas Zare wrote:
Hi,

If you are looking for protection against data corruption then I would
suggest RAID or backup mechanisms with integrity check. For encryption
I would suggest TrueCrypt, check it out if you have not done yet.

Regards,





-- 
("Computers have a strange habit of doing what you say, not what you
mean." - SANS Top 25 Most Dangerous Programming Errors)

Shreyas Zare
Co-Founder, Technitium
eMail: shreyas () technitium com

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