| From: | Andres Freund <andres(at)anarazel(dot)de> |
|---|---|
| To: | Stephen Frost <sfrost(at)snowman(dot)net> |
| Cc: | Bruce Momjian <bruce(at)momjian(dot)us>, Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org>, Amit Kapila <amit(dot)kapila16(at)gmail(dot)com>, Masahiko Sawada <masahiko(dot)sawada(at)2ndquadrant(dot)com>, Masahiko Sawada <sawada(dot)mshk(at)gmail(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>, Robert Haas <robertmhaas(at)gmail(dot)com>, Thomas Munro <thomas(dot)munro(at)gmail(dot)com>, Tom Kincaid <tomjohnkincaid(at)gmail(dot)com> |
| Subject: | Re: storing an explicit nonce |
| Date: | 2021-05-25 23:58:44 |
| Message-ID: | 20210525235844.4in2wvq3l4evi6au@alap3.anarazel.de |
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| Lists: | pgsql-hackers |
On 2021-05-25 17:15:55 -0400, Stephen Frost wrote:
> * Bruce Momjian (bruce(at)momjian(dot)us) wrote:
> > We already discussed that there are too many other ways to break system
> > integrity that are not encrypted/integrity-checked, e.g., changes to
> > clog. Do you disagree?
>
> We had agreed that this wasn't something that was strictly required in
> the first version and I continue to agree with that. On the other hand,
> if we decide that we ultimately need to use an independent nonce and
> further that we can make room in the special space for it, then it's
> trivial to also include the tag and we absolutely should (or make it
> optional to do so) in that case.
The page format for clog and that for relation data is unrelated.
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