int RSA_generate_key_ex(RSA *rsa, int bits, unsigned long e_value, BN_GENCB *cb)
int RSA_generate_key_ex(RSA *rsa, int bits, BIGNUM *e_value, BN_GENCB *cb)
int RSA_generate_key_ex(RSA *rsa, int bits, unsigned long e_value, BN_GENCB *cb)	{	if(rsa->meth->rsa_keygen)		return rsa->meth->rsa_keygen(rsa, bits, e_value, cb);	return rsa_builtin_keygen(rsa, bits, e_value, cb);	}