memcpy(cookie, pktin.body, 8);

    i = makekey(pktin.body+8, &servkey, &keystr1, 0);
    j = makekey(pktin.body+8+i, &hostkey, &keystr2, 0);

    /*
     * Hash the host key and print the hash in the log box. Just as
     * a last resort in case the registry's host key checking is
     * compromised, we'll allow the user some ability to verify
     * host keys by eye.
     */
    MD5Init(&md5c);
    MD5Update(&md5c, keystr2, hostkey.bytes);
    MD5Final(session_id, &md5c);
    {
	char logmsg[80];
	int i;
	logevent("Host key MD5 is:");
	strcpy(logmsg, "      ");
	for (i = 0; i < 16; i++)
	    sprintf(logmsg+strlen(logmsg), "%02x", session_id[i]);

	logevent(logmsg);
    }

    supported_ciphers_mask = GET_32BIT(pktin.body+12+i+j);
    supported_auths_mask = GET_32BIT(pktin.body+16+i+j);

    MD5Init(&md5c);