On 12/05/14 13:41, Arnold Reinhold wrote: >> On Dec 5, 2014, at 3:24 PM, Colin Percival <[email protected]> wrote: >> >> On 12/05/14 07:59, [email protected] wrote: >>>> Which version of the scrypt code are you using? If you're using the SSE2 >>>> version, are you sure that you're running on an SSE2-enabled CPU? >>> >>> Do you mean to say that if you run the crypto_scrypt-sse.c function on a >>> non-SSE CPU, you will get a different result than on a SSE CPU? >> >> My understanding is that some non-SSE CPUs treat SSE instructions as NOPs. > > If so a quick trial SSE calculation would reveal the absence, allowing an > error return. Seems prudent.
Yes, I'm planning on adding code to do that. But I don't know if that's the issue which Maarten ran into. -- Colin Percival Security Officer Emeritus, FreeBSD | The power to serve Founder, Tarsnap | www.tarsnap.com | Online backups for the truly paranoid
