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On Tue, Jul 07, 2009 at 05:35:28PM +0900, Itagaki Takahiro wrote:
> Our manual says we can use pgcrypto functions or encrypted filesystems
> for data encryption.
> http://www.postgresql.org/docs/8.4/static/encryption-options.html
As other posters have put it, I'd be very sceptical of server-side
decryption. If the server "has" all the necessary bits to decrypt the
data, all bets are off.
[encryption might be OK, with an asymmetrical scheme in the
vein of public key cryptography].
A client-side decryption (and maybe encryption as well) seems way more
attractive. For that, libpqtypes[1],[2] might come in very handy.
[1] <http://pgfoundry.org/projects/libpqtypes/>
[2] <http://libpqtypes.esilo.com/>
Regards
- -- tomás
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