tree 025da07dad72399662f10d87dbf4d711dd55e766
parent 4adf0af6818f3ea52421dc0bae836cfaf20ef72a
author Stephen Hemminger <shemminger@vyatta.com> 1217460559 -0700
committer David S. Miller <davem@davemloft.net> 1217460559 -0700

random32: seeding improvement

The rationale is:
   * use u32 consistently
   * no need to do LCG on values from (better) get_random_bytes
   * use more data from get_random_bytes for secondary seeding
   * don't reduce state space on srandom32()
   * enforce state variable initialization restrictions

Note: the second paper has a version of random32() with even longer period
and a version of random64() if needed.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>