Add timingsafe_bcmp and timingsafe_memcmp.
Obtained from: OpenBSD
MFC after: 1 month
delphij on Jul 22 2016, 7:49 AM.Authored by
I hate to bikeshed, but did we do any research on what names are used for constant-time functions elsewhere than OpenBSD?
I wonder if it makes more sense to write this in asm than in C? Can we add