Checksums really don't provide security against tampering, as they are too easy to manufacture. They're more often used to detect casual corruption errors like those that could be introduced during network transmission.
--Bob On Mon, Jul 6, 2009 at 4:43 PM, Matt Hoffman<[email protected]> wrote: > Don't think they have a checksum? > > On Sun, Jul 5, 2009 at 3:55 PM, Saul Rennison <[email protected]>wrote: > >> won't modifying DEM files raw screw up the checksum? :\ >> >> Sent from my iPhone >> >> On 5 Jul 2009, at 23:41, Tom Leighton <[email protected]> >> wrote: >> >> > The STEAM id's are indeed in the demo files aswell, in plain text, >> > which >> > is why you should never rely on demos to be entirely secure on their >> > own, and 100% proof someone's a hacker. >> > >> > >> > >> > Harry Jeffery wrote: >> >> Yeah - I thought that when I found out about how demos are stored. >> >> Very easy to incriminate an opposing team in CSS if you're desperate >> >> to win. >> >> >> >> 2009/7/4 Matt Hoffman <[email protected]>: >> >> >> >>> Demo's look easy to fake. I was poking around in one the other day >> >>> and found >> >>> the server name/player names as strings. >> >>> >> >>> I was unable to test it, but I wonder if you can change the >> >>> strings and save >> >>> and have the differences in game... Make it easy to be an imposter >> >>> and >> >>> incriminate someone else. ;) >> >>> >> >>> On Fri, Jul 3, 2009 at 3:40 PM, Harry Jeffery < >> >>> [email protected]> wrote: >> >>> >> >>> >> >>>> IIRC .dem files are just logs of the packets received and sent. >> >>>> >> >>>> Thats why going to a tick in a CSS demo is a bit glitchy - it has >> >>>> to >> >>>> roll forwards to that tick so that everything is correct - it's >> >>>> mere >> >>>> updates not exactly where everything was each tick. >> >>>> >> >>>> 2009/7/3 Joel R. <[email protected]>: >> >>>> >> >>>>> I think he is trying to learn how to remove speed hackers by using >> >>>>> >> >>>> recorded >> >>>> >> >>>>> demos. In any case, he definately needs some work on that >> >>>>> engrish. >> >>>>> >> >>>>> >> >>>>> On Fri, Jul 3, 2009 at 7:38 AM, botman <[email protected]> >> >>>>> >> >>>> wrote: >> >>>> >> >>>>>> Jonas 'Sortie' Termansen wrote: >> >>>>>> >> >>>>>>> Engrish anyone? >> >>>>>>> >> >>>>>>> Trinitron, I have no idea what you are talking about. This >> >>>>>>> isn't a >> >>>>>>> >> >>>>>> 'forum', >> >>>>>> >> >>>>>>> it's a mailing list. But if you want to see the previous >> >>>>>>> mails, there >> >>>>>>> >> >>>>>> should >> >>>>>> >> >>>>>>> be some website where you can browse them. >> >>>>>>> >> >>>>>>> But what I understood was, you want the current .dem format? >> >>>>>>> >> >>>>>>> >> >>>>>>> >> >>>>>> There is a searchable archive of the hlcoders email list here... >> >>>>>> >> >>>>>> http://www.mail-archive.com/hlcoders%40list.valvesoftware.com/ >> >>>>>> >> >>>>>> ...but the history doesn't go back as far as the archives here... >> >>>>>> >> >>>>>> http://list.valvesoftware.com/mailman/private/hlcoders/ >> >>>>>> >> >>>>>> -- >> >>>>>> Jeffrey "botman" Broome >> >>>>>> >> >>>>>> >> >>>>>> _______________________________________________ >> >>>>>> To unsubscribe, edit your list preferences, or view the list >> >>>>>> archives, >> >>>>>> please visit: >> >>>>>> http://list.valvesoftware.com/mailman/listinfo/hlcoders >> >>>>>> >> >>>>>> >> >>>>>> >> >>>>> _______________________________________________ >> >>>>> To unsubscribe, edit your list preferences, or view the list >> >>>>> archives, >> >>>>> >> >>>> please visit: >> >>>> >> >>>>> http://list.valvesoftware.com/mailman/listinfo/hlcoders >> >>>>> >> >>>>> >> >>>>> >> >>>> _______________________________________________ >> >>>> To unsubscribe, edit your list preferences, or view the list >> >>>> archives, >> >>>> please visit: >> >>>> http://list.valvesoftware.com/mailman/listinfo/hlcoders >> >>>> >> >>>> >> >>>> >> >>> _______________________________________________ >> >>> To unsubscribe, edit your list preferences, or view the list >> >>> archives, please visit: >> >>> http://list.valvesoftware.com/mailman/listinfo/hlcoders >> >>> >> >>> >> >>> >> >> >> >> _______________________________________________ >> >> To unsubscribe, edit your list preferences, or view the list >> >> archives, please visit: >> >> http://list.valvesoftware.com/mailman/listinfo/hlcoders >> >> >> >> >> >> >> > >> > _______________________________________________ >> > To unsubscribe, edit your list preferences, or view the list >> > archives, please visit: >> > http://list.valvesoftware.com/mailman/listinfo/hlcoders >> > >> >> _______________________________________________ >> To unsubscribe, edit your list preferences, or view the list archives, >> please visit: >> http://list.valvesoftware.com/mailman/listinfo/hlcoders >> >> > _______________________________________________ > To unsubscribe, edit your list preferences, or view the list archives, please > visit: > http://list.valvesoftware.com/mailman/listinfo/hlcoders > > _______________________________________________ To unsubscribe, edit your list preferences, or view the list archives, please visit: http://list.valvesoftware.com/mailman/listinfo/hlcoders

