void RAND_set_rand_method(RAND_METHOD *meth);
RAND_METHOD *RAND_get_rand_method(void );
RAND_METHOD *RAND_SSLeay(void);
void RAND_cleanup(void );
int RAND_bytes(unsigned char *buf,int num);
void RAND_set_rand_method(RAND_METHOD *meth);
RAND_METHOD *RAND_get_rand_method(void );
RAND_METHOD *RAND_SSLeay(void);
void RAND_cleanup(void );
int RAND_bytes(unsigned char *buf,int num);