| From: | Bruce Momjian <bruce(at)momjian(dot)us> |
|---|---|
| To: | Stephen Frost <sfrost(at)snowman(dot)net> |
| Cc: | Sasasu <i(at)sasa(dot)su>, Robert Haas <robertmhaas(at)gmail(dot)com>, Andres Freund <andres(at)anarazel(dot)de>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: XTS cipher mode for cluster file encryption |
| Date: | 2021-10-23 00:06:46 |
| Message-ID: | 20211023000646.GD26156@momjian.us |
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| Thread: | |
| Lists: | pgsql-hackers |
On Fri, Oct 22, 2021 at 11:36:37AM -0400, Stephen Frost wrote:
> > I am not re-discuss using CTR for heap table. I mean use some CTR-like
> > algorithm *only* for WAL encryption. My idea is exactly the same when you
> > are typing "we hopefully aren't going to write different WAL records at the
> > same LSN and so using the LSN there should be alright."
>
> I don't like the idea of "CTR-like". What's wrong with using CTR for
> WAL encryption? Based on the available information, that seems like the
> exact use-case for CTR.
Agreed.
--
Bruce Momjian <bruce(at)momjian(dot)us> https://momjian.us
EDB https://enterprisedb.com
If only the physical world exists, free will is an illusion.
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