DH_NUMBER_ITERATIONS_FOR_PRIME
is_prime = BN_is_prime_ex(dh->q, DH_NUMBER_ITERATIONS_FOR_PRIME,
is_prime = BN_is_prime_ex(dh->p, DH_NUMBER_ITERATIONS_FOR_PRIME,
is_prime = BN_is_prime_ex(q, DH_NUMBER_ITERATIONS_FOR_PRIME,