Colin Percival 186c183c23 In light of the recent 2^69 operation collision-finding attack on SHA1,
add support for SHA256.

Tested on:	i386, sparc64
Tested using:	NIST test vectors, built-in tests
X-MFC-after:	5.4-RELEASE
2005-03-09 19:23:04 +00:00
..
2005-02-15 09:27:00 +00:00
2005-02-13 22:25:33 +00:00