Re: storing an explicit nonce

From: Ants Aasma <ants(at)cybertec(dot)at>
To: Bruce Momjian <bruce(at)momjian(dot)us>
Cc: Stephen Frost <sfrost(at)snowman(dot)net>, Antonin Houska <ah(at)cybertec(dot)at>, Robert Haas <robertmhaas(at)gmail(dot)com>, Sasasu <i(at)sasa(dot)su>, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>
Subject: Re: storing an explicit nonce
Date: 2021-10-12 20:21:28
Message-ID: CANwKhkPWPQcWTUp-eqpAYfPR3xKz==umdxXwb9igtSsdw-=PNQ@mail.gmail.com
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On Tue, 12 Oct 2021 at 16:14, Bruce Momjian <bruce(at)momjian(dot)us> wrote:

> Well, how do you detect an all-zero page vs a page that encrypted to all
> zeros?
>
Page encrypting to all zeros is for all practical purposes impossible to
hit. Basically an attacker would have to be able to arbitrarily set the
whole contents of the page and they would then achieve that this page gets
ignored.

--

Ants Aasma
Senior Database Engineerwww.cybertec-postgresql.com

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