Horton

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

Bruce Momjian <bruce@momjian.us>

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From: Bruce Momjian <bruce@momjian.us>
To: Sehrope Sarkuni <sehrope@jackdb.com>
Cc: Masahiko Sawada <sawada.mshk@gmail.com>, Joe Conway <mail@joeconway.com>, Antonin Houska <ah@cybertec.at>, Stephen Frost <sfrost@snowman.net>, Tomas Vondra <tomas.vondra@2ndquadrant.com>, Robert Haas <robertmhaas@gmail.com>, Haribabu Kommi <kommi.haribabu@gmail.com>, "Moon, Insung" <Moon_Insung_i3@lab.ntt.co.jp>, Ibrar Ahmed <ibrar.ahmad@gmail.com>, PostgreSQL-development <pgsql-hackers@postgresql.org>
Date: 2019-08-13T00:14:32Z
Lists: pgsql-hackers

Commits

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  1. Revamp the WAL record format.

On Sat, Aug 10, 2019 at 08:06:17AM -0400, Bruce Momjian wrote:
> So, I just had an indea if we use separate encryption keys for
> heap/index and for WAL --- we already know we will have an offline tool
> that can rotate the passphrase or encryption keys.  If we allow the
> encryption keys to be rotated independently, we can create a standby,
> and immediately rotate its heap/index encryption key.  We can then start
> streaming replication.  When we promote the standby to primary, we can
> then shut it down and rotate the WAL encryption key --- the new primary
> would then have no shared keys with the old primary.

To help move this forward, I created a new wiki TDE section titled "TODO
for Full-Cluster Encryption" and marked some unresolved items with
question marks:

	https://wiki.postgresql.org/wiki/Transparent_Data_Encryption#TODO_for_Full-Cluster_Encryption

I have also updated some of the other text to match conclusions we have
made.

I know some of the items are done, but if we have agreement on moving
forward, I can help with some of the missing code.  This looks doable
for PG 13 if we start soon.

-- 
  Bruce Momjian  <bruce@momjian.us>        http://momjian.us
  EnterpriseDB                             http://enterprisedb.com

+ As you are, so once was I.  As I am, so you will be. +
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