des.h

des

/*function prototypes*/
void endes(unsigned char * , unsigned char * , unsigned char *) ;
void undes(unsigned char * , unsigned char * , unsigned char *) ;

unsigned char *byte2bit(unsigned char * , unsigned char *) ;
unsigned char *bit2byte(unsigned char * , unsigned char *) ;
void keychange(unsigned char * , unsigned char [][]) ;
void s_replace(unsigned char *) ;
/*function prototypes*/