with B<num> E<lt> 1024 should be considered insecure. The exponent is an odd
number, typically 3, 17 or 65537.
+In order to maintain adequate security level, the maximum number of permitted
+B<primes> depends on modulus bit length:
+
+ <1024 | >=1024 | >=4096 | >=8192
+ ------+--------+--------+-------
+ 2 | 3 | 4 | 5
+
A callback function may be used to provide feedback about the
progress of the key generation. If B<cb> is not B<NULL>, it
will be called as follows using the BN_GENCB_call() function
=head1 SEE ALSO
-L<ERR_get_error(3)>, L<RAND_bytes(3)>,
-L<RSA_generate_key_ex(3)>, L<BN_generate_prime(3)>
+L<ERR_get_error(3)>, L<RAND_bytes(3)>, L<BN_generate_prime(3)>
=head1 HISTORY