Re: XTS cipher mode for cluster file encryption

On Mon, Oct 25, 2021 at 11:58:14AM -0400, Stephen Frost wrote:
> As for the specific encryption method to use, using CTR would be simpler
> as it doesn't require access to be block-based, though we would need to
> make sure to not re-use the IV across any of the temporary files being
> created (potentially concurrently).  Probably not that hard to do but
> just something to make sure we do.  Of course, if we arrange for
> block-based access then we could use XTS or perhaps GCM/GCM-SIV if we
> wanted to.

Agreed on all points.

-- 
  Bruce Momjian  <bruce@momjian.us>        https://momjian.us
  EDB                                      https://enterprisedb.com

  If only the physical world exists, free will is an illusion.