database file encryption.

From: nrdb <postgresql(at)butterflystitches(dot)com(dot)au>
To: postgresql-hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: database file encryption.
Date: 2011-10-22 00:42:14
Message-ID: 4EA21166.1070604@butterflystitches.com.au
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Hi,

I am new to this list. I haven't ever contributed code before, and
have no idea on how to do this.

I have made some changes to my copy of the 9.1.1 code that
encrypts/decrypts the database files on the fly using AES256 cypher.

It passes all the tests. :-)

The changes are limited to :
src/backend/storage/file/fd.c
src/backend/storage/file/buffile.c
src/backend/libpq/be-fsstubs.c

At the moment the password has been hardcoded into the source, I don't
know how to get it passed in atm.

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