RSA * RSA_new_method(RSA_METHOD *method);
int RSA_size(RSA *);
RSA * RSA_generate_key(int bits, unsigned long e,void
- (*callback)(int,int,char *),char *cb_arg);
+ (*callback)(int,int,void *),void *cb_arg);
/* next 4 return -1 on error */
int RSA_public_encrypt(int flen, unsigned char *from,
unsigned char *to, RSA *rsa,int padding);