BN_num_bits
fprintf(fp, "\t# RSA %d bits\n", BN_num_bits(RSA_get0_n(key)));
BN_rand(rnd, BN_num_bits(range), 1, 0);
int BN_num_bits(const BIGNUM */*a*/);
bn_check(BN_rshift(x, x, BN_num_bits(x)/2));
if (BN_num_bits(n->number) > 8)
if ((uint32_t)BN_num_bits(p) != (in_size + 1)) {