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 --
