Re: Supporting Encryption in Postgresql

On R, 2004-09-10 at 00:03, Murat Kantarcioglu wrote:
> My questions are in order to support page level encryption(i,e encrypt 
> each page before writing back to disk and decrypt each page after we 
> read from disk.) which parts of the code should be changed?
> Our more simply, is /src/backend/storage/smgr/md.c the only code
> that does the disk access?
> 
> Since our design requires thread support (we will do some of the 
> decryption, before we see the data, therefore during disk access, we 
> need to continue decryption) 

Why do you think that you need threads to do the (en/de)cryption? 

Why is it not sufficient to just replace the page read/write functions
with ones supporting encryption ? 

Or just use encrypted filesystem ;) <evil grin>

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Hannu