Encrypt file while you are using it

[NoOp]

On 11/24/2008 07:49 AM, Bart Silverstrim wrote:
[snip]
> 
> There's no way I've ever seen to have a file encrypted AND used at the 
> same time by the user. This is the whole reason non-encrypted swapfiles, 
> state of memory, and temp files are a vulnerability in a protection 
> scheme. Encrypted files must be in an unencrypted state to be used.
> 

Along those lines, this might be of interest:
http://aronzak.wordpress.com/tag/ubuntu-intrepid/
[Proof of concept: Attacking eCrypt Private Directories  6 November, 2008]