#include <u.h>#include <libc.h>#include <mp.h>#include <fcall.h>#include <thread.h>#include <9p.h>#include <libsec.h>#include "sshtun.h" struct CipherState{	BFstate state;}; static CipherState*initblowfish(Conn *c, int dir){	CipherState *cs; int i;fprint(2, "initblowfish dir:%d\ns2cek: ", dir);for(i = 0; i < 16; ++i) fprint(2, "%02x", c->s2cek[i]);fprint(2, "\nc2sek: ");for(i = 0; i < 16; ++i) fprint(2, "%02x", c->c2sek[i]);fprint(2, "\ns2civ: ");for(i = 0; i < 8; ++i) fprint(2, "%02x", c->s2civ[i]);fprint(2, "\nc2siv: ");for(i = 0; i < 8; ++i) fprint(2, "%02x", c->c2siv[i]);fprint(2, "\n"); 	cs = emalloc9p(sizeof(CipherState));memset(cs, '\0', sizeof(CipherState));fprint(2,"cs:%p\n", cs);	if(dir)		setupBFstate(&cs->state, c->s2cek, 16, c->s2civ);	else		setupBFstate(&cs->state, c->c2sek, 16, c->c2siv);	return cs;} static voidencryptblowfish(CipherState *cs, uchar *buf, int nbuf){	bfCBCencrypt(buf, nbuf, &cs->state);} static voiddecryptblowfish(CipherState *cs, uchar *buf, int nbuf){fprint(2,"cs:%p, nb:%d\n", cs, nbuf);fprint(2, "before decrypt: %02ux %02ux %02ux %02ux\n", buf[0], buf[1], buf[2], buf[3]);	bfCBCdecrypt(buf, nbuf, &cs->state);fprint(2, "after decrypt: %02ux %02ux %02ux %02ux\n", buf[0], buf[1], buf[2], buf[3]);} Cipher cipherblowfish = {	"blowfish-cbc",	8,	initblowfish,	encryptblowfish,	decryptblowfish,};