#include "ssh.h"

struct CipherState
{
       BFstate enc;
       BFstate dec;
};

static CipherState*
initblowfish(Conn *c, int)
{
       CipherState *cs;

       cs = emalloc(sizeof(CipherState));
       setupBFstate(&cs->enc, c->sesskey, SESSKEYLEN, nil);
       setupBFstate(&cs->dec, c->sesskey, SESSKEYLEN, nil);
       return cs;
}

static void
encryptblowfish(CipherState *cs, uchar *buf, int nbuf)
{
       bfCBCencrypt(buf, nbuf, &cs->enc);
}

static void
decryptblowfish(CipherState *cs, uchar *buf, int nbuf)
{
       bfCBCdecrypt(buf, nbuf, &cs->dec);
}

Cipher cipherblowfish =
{
       SSH_CIPHER_BLOWFISH,
       "blowfish",
       initblowfish,
       encryptblowfish,
       decryptblowfish,
};