| From: | Bruce Momjian <bruce(at)momjian(dot)us> |
|---|---|
| To: | Stephen Frost <sfrost(at)snowman(dot)net> |
| Cc: | Andres Freund <andres(at)anarazel(dot)de>, Robert Haas <robertmhaas(at)gmail(dot)com>, Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org>, Masahiko Sawada <sawada(dot)mshk(at)gmail(dot)com>, Tom Kincaid <tomjohnkincaid(at)gmail(dot)com>, Amit Kapila <amit(dot)kapila16(at)gmail(dot)com>, Thomas Munro <thomas(dot)munro(at)gmail(dot)com>, PostgreSQL Development <pgsql-hackers(at)postgresql(dot)org>, Masahiko Sawada <masahiko(dot)sawada(at)2ndquadrant(dot)com> |
| Subject: | Re: storing an explicit nonce |
| Date: | 2021-05-28 13:35:38 |
| Message-ID: | 20210528133538.GK5646@momjian.us |
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| Lists: | pgsql-hackers |
On Thu, May 27, 2021 at 04:36:23PM -0400, Stephen Frost wrote:
> At this point I'm wondering if it's just:
>
> dboid/relfilenode:block-offset
>
> and then we hash it to whatever size EVP_CIPHER_iv_length(AES-XTS-128)
> (or -256, whatever we're using based on what was passed to initdb)
> returns.
FYI, the dboid is not preserved by pg_upgrade.
--
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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