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