Re: [ADMIN] Secure DB Systems - How to - Mailing list pgsql-php

From Greg Stark
Subject Re: [ADMIN] Secure DB Systems - How to
Date
Msg-id 87brhzsx9x.fsf@stark.xeocode.com
Whole thread Raw
In response to Re: [ADMIN] Secure DB Systems - How to  (Bruno Wolff III <bruno@wolff.to>)
Responses Re: [ADMIN] Secure DB Systems - How to
Re: [ADMIN] Secure DB Systems - How to
List pgsql-php
Bruno Wolff III <bruno@wolff.to> writes:

> That depends on the kind of queries. Searching for exact matches should work
> fine. Some other things can be done in special cases.

If searching for exact matches works then you're using a naive encryption
system. The problem is that it also means your database is vulnerable to
dictionary attacks. Good encryption systems will include random padding to
ensure that you can't attack it by merely guessing many possible plaintexts
and verifying to see if any match.

--
greg

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