(1 = ok, 0 = not seeded). Also an error is recorded on the thread's
error queue. New function RAND_pseudo_bytes() generates output that is
guaranteed to be unique but not unpredictable.
- (TO DO: always check the result of RAND_bytes when it is used in the
- library, or use RAND_pseudo_bytes instead, because leaving the
- error in the error queue but reporting success in a function that
- uses RAND_bytes could confuse things considerably.)
[Ulf Möller]
*) Do more iterations of Rabin-Miller probable prime test (specifically,