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

On Wed, Jun 20, 2018 at 06:06:56PM -0400, Joe Conway wrote:
> On 06/20/2018 05:09 PM, Bruce Momjian wrote:
> > On Mon, Jun 18, 2018 at 09:49:20AM -0400, Robert Haas wrote:
> >> know the ordering of the values under whatever ordering semantics
> >> apply to that index.  It's unclear to me how useful such information
> > 
> > I don't think an ordered index is possible, only indexing of encrypted
> > hashes, i.e. see this and the next slide:
> 
> It is possible with homomorphic encryption -- whether we want to support
> that in core is another matter.

It's also possible using DNSSEC NSEC3-style designs.

Nico
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