On Mon, Mar 12, 2018 at 4:23 PM, Amos Jeffries <squ...@treenet.co.nz> wrote: > On 13/03/18 08:44, Jeffrey Walton wrote: >> Check /proc/cpuinfo for the sha_ni flag. If present, then you can test >> the SHA extensions. >> >> SHA extensions made their debut in Goldmont. They are also available >> in Goldmont+. They were scheduled for one of the lakes but they did >> not make it in. >> >> I have a Goldmont machine for testing SHA but it is a turd. It is a >> Celeron J3455 (https://www.amazon.com/dp/B01LYCDG4H). > > Ah, okay. That Goldmont info matches my /proc/cpuinfo. > No "sha_ni" listed :-(, just the aes-ni instruction set.
Yeah, if I recall correctly, SHA was supposed to be in Kaby Lake. It looks like it slipped, and SHA was added to the non-turd machines at Cannon Lake. Also see https://en.wikipedia.org/wiki/Cannon_Lake_(microarchitecture) Jeff _______________________________________________ nettle-bugs mailing list nettle-bugs@lists.lysator.liu.se http://lists.lysator.liu.se/mailman/listinfo/nettle-bugs
