Subject: Re: [COSE] Comments on draft-schaad-cose-more-algs-00

From: John Mattsson <[email-masked]>
Date: Wed, 27 Nov 2019 08:05:18 +0000

Jim Schaad wrote: 

>I believe that the 192 key lengths for AES are being used in some of the US government profiles

I think that was only in pre-”Suite B” versions of CNSSP Policy #15. With Suite B, it was updated to AES-128 or AES-256, and with the CNSA suite to only AES-256.