svn commit: r263218 - in head: lib/libcrypt lib/libmd sys/conf sys/crypto/sha2

[John-Mark Gurney]

Mark Murray wrote this message on Sun, Mar 16, 2014 at 17:24 +0000:
> I haven?t looked at this closely, but if you?ve dropped support for sha256, then sys/dev/random/... can?t use it :-(

Please read closer...  To many things would break if sha256 was really
removed...

> On 16 Mar 2014, at 01:43, John-Mark Gurney <jmg at FreeBSD.org> wrote:
> >  replace the kernel's version w/ cperciva's implementation...  In all
> >  my tests, it is faster ~20%, even on an old IXP425 533MHz it is ~45%
> >  faster...  This is partly due to loop unrolling, so the code size does
> >  significantly increase...  I do plan on committing a version that
> >  rolls up the loops again for smaller code size for embedded systems
> >  where size is more important than absolute performance (it'll save ~6k
> >  code)...
> > 
> >  The kernel implementation is now shared w/ userland's libcrypt and
> >  libmd...
> > 
> >  We drop support for sha256 from sha2.c, so now sha2.c only contains
> >  sha384 and sha512...

-- 
  John-Mark Gurney				Voice: +1 415 225 5579

     "All that I will do, has been done, All that I have, has not."