On Feb 4, 2009, at 11:05 AM, Jonathan W. wrote:

> Sorry for jumping in at the last minute, but to encrypt something in  
> RAM, wouldn't you need an external hardware-based encryption  
> algorithm to run the data through when inputting/outputting?  
> Otherwise, when a program loads data from the RAM and it gets  
> decrypted, it would show up in the RAM that decrypts it, right?
>

It would have to, but hardware is not required.  Remember ram doubler  
from (quarterdeck?) or any number of other products that did the same  
thing (can't recall names off the top of my head at the moment) but it  
was generally decided that the ram savings wasn't worth the compress/ 
decompress time.  I'd wager with todays faster cpus, and faster ram  
access, a project like that could work just fine.
Only thing is, with memory also not really being at a premium (or at  
least that's the general pov) I doubt such a product would do well  
these days, though it certainly would hide details such are currently  
being discussed (I'd think)


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