| From: | Stephen Frost <sfrost(at)snowman(dot)net> |
|---|---|
| To: | Bruce Momjian <bruce(at)momjian(dot)us> |
| Cc: | Antonin Houska <ah(at)cybertec(dot)at>, Sehrope Sarkuni <sehrope(at)jackdb(dot)com>, Masahiko Sawada <sawada(dot)mshk(at)gmail(dot)com>, Joe Conway <mail(at)joeconway(dot)com>, Tomas Vondra <tomas(dot)vondra(at)2ndquadrant(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com>, Haribabu Kommi <kommi(dot)haribabu(at)gmail(dot)com>, "Moon, Insung" <Moon_Insung_i3(at)lab(dot)ntt(dot)co(dot)jp>, Ibrar Ahmed <ibrar(dot)ahmad(at)gmail(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: [Proposal] Table-level Transparent Data Encryption (TDE) and Key Management Service (KMS) |
| Date: | 2019-08-16 00:34:53 |
| Message-ID: | 20190816003453.GT16436@tamriel.snowman.net |
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| Lists: | pgsql-hackers |
Greetings,
* Bruce Momjian (bruce(at)momjian(dot)us) wrote:
> On Thu, Aug 15, 2019 at 11:24:46AM +0200, Antonin Houska wrote:
> > > I think there are several directions we can go after all-cluster
> > > encryption,
> >
> > I think I misunderstood. What you summarize in
> >
> > https://wiki.postgresql.org/wiki/Transparent_Data_Encryption#TODO_for_Full-Cluster_Encryption
> >
> > does include
> >
> > https://www.postgresql.org/message-id/CAD21AoBjrbxvaMpTApX1cEsO=8N=nc2xVZPB0d9e-VjJ=YaRnw@mail.gmail.com
> >
> > i.e. per-tablespace keys, right? Then the collaboration should be easier than
> > I thought.
>
> No, there is a single tables/indexes key and a WAL key, plus keys for
> rotation. I explained why per-tablespace keys don't add much value.
Nothing in the discussion that I've seen, at least, has changed my
opinion that tablespace-based keys *would* add significant value,
particularly if it'd be difficult to support per-table keys. Of course,
if we can get per-table keys without too much difficulty then that would
be better.
Thanks,
Stephen
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