Like I said, it uses a hardware profile (from what I've been able to tell). Some virtual hardware will break things, switching some cards out, etc.I remember with 6 I installed a second sound card in my system and it unauthorized it. I've heard of the same happneing with extra internal hds, cd drives, etc.
----- Original Message ----- From: "Chris Hallsworth" <christopherh40@xxxxxxxxxxxxxx>
To: <programmingblind@xxxxxxxxxxxxx> Sent: Sunday, July 12, 2009 10:39 AM Subject: Re: .net:code obviscation
So please give an example in which JAWS could become unauthorized. -- Chris Hallsworth e-mail: christopherh40@xxxxxxxxxxxxxx MSN: ch9675@xxxxxxxxxxx Skype: chrishallsworth7266----- Original Message ----- From: "Tyler Littlefield" <tyler@xxxxxxxxxxxxx>To: <programmingblind@xxxxxxxxxxxxx> Sent: Sunday, July 12, 2009 1:58 PM Subject: Re: .net:code obviscationsometimes, it uses a hardware profile. some virtual hardware will break things, too. ----- Original Message ----- From: "Chris Hallsworth" <christopherh40@xxxxxxxxxxxxxx>To: <programmingblind@xxxxxxxxxxxxx> Sent: Sunday, July 12, 2009 5:29 AM Subject: Re: .net:code obviscationDoes this mean then that just updating drivers will cause JAWS to become unauthorized?-- Chris Hallsworth e-mail: christopherh40@xxxxxxxxxxxxxx MSN: ch9675@xxxxxxxxxxx Skype: chrishallsworth7266----- Original Message ----- From: "black ares" <matematicianu2003@xxxxxxxxxxx>To: <programmingblind@xxxxxxxxxxxxx> Sent: Sunday, July 12, 2009 7:49 AM Subject: Re: .net:code obviscationis not necessary to change video card phisicaly.For example yesterday i've uninstalled my sound card drivers and installed them back and jaws announced me that it needs to be authorized.----- Original Message ----- From: "Tyler Littlefield" <tyler@xxxxxxxxxxxxx>To: <programmingblind@xxxxxxxxxxxxx> Sent: Sunday, July 12, 2009 8:22 AM Subject: Re: .net:code obviscationWell, from what I understand:You get to the point where you have users pissed off because they can't change their video card without your hardware profile getting changed (fs, *cough*), or you have people changing registry values or setting their clock backward so that they get a longer trial, so it's a point of finding the inbetween. Which reminds me, jaws seems able to keep track of it's timer even if you shut it off, or switch versions. I was kind of curious how that worked. Linux could be figured out with a strace; I've learned quite a bit like that, but I don't think there is an equiv for windows.----- Original Message ----- From: "Sina Bahram" <sbahram@xxxxxxxxx>To: <programmingblind@xxxxxxxxxxxxx> Sent: Saturday, July 11, 2009 11:06 PM Subject: RE: .net:code obviscationThe thing is, Ken, yes Blizzard and others do stuff like this ... As doother companies for popular games or software, but mainly games and entertainment related stuff. Agreed though, there's always a tradeoff. Take care, Sina -----Original Message----- From: programmingblind-bounce@xxxxxxxxxxxxx [mailto:programmingblind-bounce@xxxxxxxxxxxxx] On Behalf Of Ken Perry Sent: Saturday, July 11, 2009 8:42 PM To: programmingblind@xxxxxxxxxxxxx Subject: RE: .net:code obviscationWell I still stand by if it is something you can do it is something that canbe undone if you have the time the money and the will power.Now the whole thing is though is your code that important. I mean unless you are writing something for the NSA what is there worth protecting to thatlevel. Not even companies like Blizzard with a following of millionsworries about it to that level because they know they have the market and it will take more than a decompiler to over take them. Same goes for a little coder who makes software for the blind there is a balance to be made between security and difficulty in making that security. I secure my commercial software pretty well as Sina knows because I had him try to break it at one time. He of course didn't have the time to do it but I am betting some wellplaced 13 year old could do it if they had a good bag of chips and atransformer movie to watch to keep his mind busy while working on the small task of my security I wrote. So just remember locks and security are in the world to keep honest people honest. The people who want to get in will nomatter what you do. Ken -----Original Message----- From: programmingblind-bounce@xxxxxxxxxxxxx[mailto:programmingblind-bounce@xxxxxxxxxxxxx] On Behalf Of Sina BahramSent: Saturday, July 11, 2009 5:03 PM To: programmingblind@xxxxxxxxxxxxx Subject: RE: .net:code obviscationEverything Ken said is practically true; however, there are very complicatedways of actually getting around this. Technically, you can use techniques such as address space layoutrandomization, jump tables, and so on which will virtually, 100%, foolanything out there.Some of the approaches are dangerously close to some of the research I'm doing, so I can't talk about them, but it is technically possible to foolevery single decompiler out there. Take care, Sina ________________________________ From: programmingblind-bounce@xxxxxxxxxxxxx [mailto:programmingblind-bounce@xxxxxxxxxxxxx] On Behalf Of Ken Perry Sent: Saturday, July 11, 2009 4:11 PM To: programmingblind@xxxxxxxxxxxxx Subject: RE: .net:code obviscationSorry to say but no matter how much you would rather it not be possible it is. It doesn't matter if you compile a c++ program or write something in Asm. There are programs that can decompile code and some that do it rather well. Remember though this is not a easy thing to do and if they are goingto use tools like this they can hack things by hand just the same.You can do things like encrypt your data that helps but if a person is determined enough they can break almost any security and uncompile almostany language.The best defense against someone hacking or copying your code. is either to Open source it and put a good license on it or to charge a decent price forit. You don't see people trying to rip companies off that sell their product at a decent cost. Ken Littlefield Sent: Saturday, July 11, 2009 3:01 PM To: programmingblind@xxxxxxxxxxxxx Subject: .net:code obviscation Hello,I was wondering how you might obviscate code in .net. I know that there are programs out there like reflector that will disassemble it for you and I'drather not have that happen. __________ View the list's information and change your settings at //www.freelists.org/list/programmingblind __________ View the list's information and change your settings at //www.freelists.org/list/programmingblind __________ View the list's information and change your settings at //www.freelists.org/list/programmingblind__________View the list's information and change your settings at //www.freelists.org/list/programmingblind__________View the list's information and change your settings at //www.freelists.org/list/programmingblind__________View the list's information and change your settings at //www.freelists.org/list/programmingblind__________View the list's information and change your settings at //www.freelists.org/list/programmingblind__________View the list's information and change your settings at //www.freelists.org/list/programmingblind
__________View the list's information and change your settings at //www.freelists.org/list/programmingblind