void *cs_cipher_ctx, *sc_cipher_ctx;
    const struct ssh_mac *csmac, *scmac;
    void *cs_mac_ctx, *sc_mac_ctx;
    const struct ssh_compress *cscomp, *sccomp;
    void *cs_comp_ctx, *sc_comp_ctx;
    const struct ssh_kex *kex;
    const struct ssh_signkey *hostkey;
    unsigned char v2_session_id[20];
    int v2_session_id_len;
    void *kex_ctx;

    char *savedhost;
    int savedport;
    int send_ok;
    int echoing, editing;

	const struct ssh_mac *csmac_tobe;
	const struct ssh_mac *scmac_tobe;
	const struct ssh_compress *cscomp_tobe;
	const struct ssh_compress *sccomp_tobe;
	char *hostkeydata, *sigdata, *keystr, *fingerprint;
	int hostkeylen, siglen;
	void *hkey;		       /* actual host key */
	unsigned char exchange_hash[20];
	int n_preferred_kex;
	const struct ssh_kexes *preferred_kex[KEX_MAX];
	int n_preferred_ciphers;
	const struct ssh2_ciphers *preferred_ciphers[CIPHER_MAX];
	const struct ssh_compress *preferred_comp;
	int got_session_id, activated_authconn;
	struct Packet *pktout;