SHA384_DIGEST_LENGTH in sha2_mac_atomic(), but not ..._verify_atomic()

[Dan McDonald]

On Thu, Feb 14, 2008 at 11:25:33AM +0000, Darren J Moffat wrote:
<SNIP!>
> This bug points out in part why we really do need to fix:
>   6578204 centralise HMAC code into $SRC/common/crypto/

I also noticed a large amount of common code between mac() and mac_verify().
Hopefully whomever fixes the aforementioned bug will fix that as well.

Dan