The process is then repeated for prime q and other primes (if any)
with B<BN_GENCB_call(cb, 3, i)> where B<i> indicates the i-th prime.
-=head1 RETURN VALUE
+=head1 RETURN VALUES
RSA_generate_multi_prime_key() returns 1 on success or 0 on error.
RSA_generate_key_ex() returns 1 on success or 0 on error.