#include "os.h"#include <libsec.h> /* *  these routines use the 64bit format for *  DES keys. */ voidsetupDESstate(DESstate *s, uchar key[8], uchar *ivec){	memset(s, 0, sizeof(*s));	memmove(s->key, key, sizeof(s->key));	des_key_setup(key, s->expanded);	if(ivec)		memmove(s->ivec, ivec, 8);	s->setup = 0xdeadbeef;} voidsetupDES3state(DES3state *s, uchar key[3][8], uchar *ivec){	memset(s, 0, sizeof(*s));	memmove(s->key, key, sizeof(s->key));	des_key_setup(key[0], s->expanded[0]);	des_key_setup(key[1], s->expanded[1]);	des_key_setup(key[2], s->expanded[2]);	if(ivec)		memmove(s->ivec, ivec, 8);	s->setup = 0xdeadbeef;}