utils.h

RSA algorithm implementation is given

#ifndef _UTILS_H_
#define _UTILS_H_

extern int check_root(void);
extern int init_socket (char *IF);
extern int bind_socket (int fd, struct sockaddr_in *addr);
extern int get_interface_ip (int fd, char *IF, struct sockaddr_in *addr);
extern u_int64_t	getcurrtime();
extern char *		getDotIP(u_int32_t addr);
extern	int			init_krtsocket();
extern	int			open_and_bind_sock();

#endif