Re: [Proposal] Table-level Transparent Data Encryption (TDE) and Key Management Service (KMS)

From: Bruce Momjian <bruce(at)momjian(dot)us>
To: Antonin Houska <ah(at)cybertec(dot)at>
Cc: Sehrope Sarkuni <sehrope(at)jackdb(dot)com>, Masahiko Sawada <sawada(dot)mshk(at)gmail(dot)com>, Joe Conway <mail(at)joeconway(dot)com>, Stephen Frost <sfrost(at)snowman(dot)net>, 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: 2019-08-15 15:21:26
Message-ID: 20190815152126.GD25063@momjian.us
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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.

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Bruce Momjian <bruce(at)momjian(dot)us> http://momjian.us
EnterpriseDB http://enterprisedb.com

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