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. Joe -- Crunchy Data - http://crunchydata.com PostgreSQL Support for Secure Enterprises Consulting, Training, & Open Source Development
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