On Fri, Jun 14, 2019 at 09:37:37PM -0400, Joe Conway wrote: > On 6/14/19 6:09 PM, Bruce Momjian wrote: > > On Fri, Jun 14, 2019 at 02:27:17PM -0400, Joe Conway wrote: > >> On 6/13/19 11:07 AM, Bruce Momjian wrote: > >> > In addition, while the 8k blocks would use a block cipher, the WAL would > >> > likely use a stream cipher, and it will be very hard to use multiple > >> > stream ciphers in a single WAL file. > >> > >> I don't understand why we would not just use AES for both. > > > > Uh, AES is an encryption cipher. You can use it with block mode, CBC, > > or stream mode, CTR, GCM; see: > > > AES is a block cipher, not a stream cipher. Yes you can use it in > different modes, including chained modes (and CBC is what I would pick), > but I assumed you were talking about an actual stream cipher algorithm.
OK, to be specific, I was thinking of using aes128-cbc for the 8k pages and aes128-ctr for the WAL. -- Bruce Momjian <br...@momjian.us> http://momjian.us EnterpriseDB http://enterprisedb.com + As you are, so once was I. As I am, so you will be. + + Ancient Roman grave inscription +