Very large makeover of the /dev/random driver.

o Separate the kernel stuff from the Yarrow algorithm. Yarrow is now
  well contained in one source file and one header.

o Replace the Blowfish-based crypto routines with Rijndael-based ones.
  (Rijndael is the new AES algorithm). The huge improvement in
  Rijndael's key-agility over Blowfish means that this is an
  extremely dramatic improvement in speed, and makes a heck of
  a difference in its (lack of) CPU load.

o Clean up the sysctl's. At BDE's prompting, I have gone back to
  static sysctls.

o Bug fixes. The streamlining of the crypto stuff enabled me to
  find and fix some bugs. DES also found a bug in the reseed routine
  which is fixed.

o Change the way reseeds clear "used" entropy. Previously, only the
  source(s) that caused a reseed were cleared. Now all sources in the
  relevant pool(s) are cleared.

o Code tidy-up. Mostly to make it (nearly) 80-column compliant.

1 files changed, 1 insertions, 4 deletions

diff --git a/sys/dev/random/harvest.c b/sys/dev/random/harvest.c
index 59495d7..c0c9a02 100644
--- a/sys/dev/random/harvest.c
+++ b/sys/dev/random/harvest.c
@@ -38,10 +38,7 @@
 
 #include <machine/cpu.h>
 
-#include <crypto/blowfish/blowfish.h>
-
-#include <dev/random/hash.h>
-#include <dev/random/yarrow.h>
+#include <dev/random/randomdev.h>
 
 static u_int read_random_phony(void *, u_int);