nauman32
asked on
noncopyable cds 500 points for expert
hi experts,
my concerning issue is noncopyable cds, how can i create or manage cd that can't be copy afterwards, i've seen one practicle example, i perchase some cds of animated gif from www.animationfactory.com, and these cds are noncopyable even you can't copy data from these cds to hard drive and to another cd as well, i tried nero to copy these cds but failed, is there any way to create cd like this, i checked there isn't any software copied along data for restricting copy, & file system of these cds was CDFS ...
i searched about CDFS, this file system belongs to Linux operating system, but can't figure if this is enough to restrict copying cd to hard disk and copywriting as well ....
my concerning issue is noncopyable cds, how can i create or manage cd that can't be copy afterwards, i've seen one practicle example, i perchase some cds of animated gif from www.animationfactory.com, and these cds are noncopyable even you can't copy data from these cds to hard drive and to another cd as well, i tried nero to copy these cds but failed, is there any way to create cd like this, i checked there isn't any software copied along data for restricting copy, & file system of these cds was CDFS ...
i searched about CDFS, this file system belongs to Linux operating system, but can't figure if this is enough to restrict copying cd to hard disk and copywriting as well ....
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CDFS btw is not a linux fs, it's universal for cd's now (replaces mscdex) http://en.wikipedia.org/wiki/CDFS
If you don't use windows, you can copy the CD's. MAC's or Linux copy all cd's that I've ever tried easily. The current state of CD-Protection and CRM software relies on the M$ windows operating system, and the use of DLL's for cd-roms. If your cd rom has a DLL or driver that is not known by the copy protection software, then you can use M$ to copy the cd's with programs such as nero. Nero is able to skip error'd cd's for the most part.
Are they sending you a cd-rom or a DVD? There are many differences in the portections, but all are easily thwarted with another OS other than M$.
This is the bottom line in Cd-Protection as it stands right now:
---- The CD is readable, and is therfore copyable. period.----
You can encrypt the data on a cd, but again, it will need to be unencrypted to be read and used, so there are oppurtunities for the plain-text data to be read/copied. Same thing with PDF's- they have some great protection, you keep people from printing them, from modifing them etc... but you cannot stop them from taking a screen shot of the pages, and then printing them, or taking a screen shot of the pages, and then using OCR software from re-creating the document or modifing it... if it's readable- it's copyable point blank period.
Unless you have control over the whole PC, like the future DRM solutions aim to do, there are 50ways to get the data, no matter.
plus motivated hackers, or even someone using google, can by-pass these protections with ease
Here are some interesting hacks:
http://www.afterdawn.com/news/archive/2981.cfm
http://www.theregister.co.uk/2001/08/01/antirip_cd_system_bypassed/
http://www.dvd-replica.com/DVD/dvdprimer-6.php
http://en.wikipedia.org/wiki/Digital_Rights_Management
http://en.wikipedia.org/wiki/Copyleft
http://www.woodmann.com/crackz/
-rich
If you don't use windows, you can copy the CD's. MAC's or Linux copy all cd's that I've ever tried easily. The current state of CD-Protection and CRM software relies on the M$ windows operating system, and the use of DLL's for cd-roms. If your cd rom has a DLL or driver that is not known by the copy protection software, then you can use M$ to copy the cd's with programs such as nero. Nero is able to skip error'd cd's for the most part.
Are they sending you a cd-rom or a DVD? There are many differences in the portections, but all are easily thwarted with another OS other than M$.
This is the bottom line in Cd-Protection as it stands right now:
---- The CD is readable, and is therfore copyable. period.----
You can encrypt the data on a cd, but again, it will need to be unencrypted to be read and used, so there are oppurtunities for the plain-text data to be read/copied. Same thing with PDF's- they have some great protection, you keep people from printing them, from modifing them etc... but you cannot stop them from taking a screen shot of the pages, and then printing them, or taking a screen shot of the pages, and then using OCR software from re-creating the document or modifing it... if it's readable- it's copyable point blank period.
Unless you have control over the whole PC, like the future DRM solutions aim to do, there are 50ways to get the data, no matter.
plus motivated hackers, or even someone using google, can by-pass these protections with ease
Here are some interesting hacks:
http://www.afterdawn.com/news/archive/2981.cfm
http://www.theregister.co.uk/2001/08/01/antirip_cd_system_bypassed/
http://www.dvd-replica.com/DVD/dvdprimer-6.php
http://en.wikipedia.org/wiki/Digital_Rights_Management
http://en.wikipedia.org/wiki/Copyleft
http://www.woodmann.com/crackz/
-rich
ASKER
well, experts you guys are quiet right but there is another solution in market which is (noncopyable doungles/flash memory), can we use the same idea on cds, you told if the data is readable then its copy/writeable then such companies claims very high, and successfully working on this noncopyable flash memory device,
on the other hand my question was to protect data on cds, i havn't get any sufficient opinion abt securing data on cds, but on cracking security lots of....
anyway experts i would like to carry on this thread ...... i hope there would be any solution ..........
on the other hand my question was to protect data on cds, i havn't get any sufficient opinion abt securing data on cds, but on cracking security lots of....
anyway experts i would like to carry on this thread ...... i hope there would be any solution ..........
try CloneCD
If that was REALLY possible.... why would there be illegal software, illigal DVD's etc.
It's never possible to protect it fully.
@kasper.... how on earth would clonecd add protection?
You could go for the same protection they use for cd's dvd's.
But then again to get that info you'd prolly have to pay a lot!
It's never possible to protect it fully.
@kasper.... how on earth would clonecd add protection?
You could go for the same protection they use for cd's dvd's.
But then again to get that info you'd prolly have to pay a lot!
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Bottom line as already mentioned is that if the CD has data on it then it can be copied. However, I think that this thread is beginning to show that there are some controls that have an impact on the useful copyability of certain types of software (music/pdf etc).
Perhaps the initiator of this thread could tell us what type of data they are trying to protect, so that we can focus a little more on the specifics of your problem.
Perhaps the initiator of this thread could tell us what type of data they are trying to protect, so that we can focus a little more on the specifics of your problem.
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kasper2003 has produced a very nice list of software copy protection 'solutions' out there. I've had a look at them, and there is another process that has not yet been mentioned, and that involves having 'custom made' CDs manufactured in order to guarantee that the the CD cannot be copied to a 'normal' CDR. I can envisage certain 'errors' that this could cause that would be impossible on a normal CDR (e.g detection of edge of disc in more than one location by having clear circles on the CD perhaps).
However, if that type of thing existed, I'd just step through and patch the code.
The issue with security - and this is a classic example - is that if you make the security difficult enough to beat, then the majority of people will go elseware (or buy the genuine product). There will always be the odd person (like me:) ) that likes a challenge;)
Most of the information in the list includes snakeoil sales garbage.
:)
However, if that type of thing existed, I'd just step through and patch the code.
The issue with security - and this is a classic example - is that if you make the security difficult enough to beat, then the majority of people will go elseware (or buy the genuine product). There will always be the odd person (like me:) ) that likes a challenge;)
Most of the information in the list includes snakeoil sales garbage.
:)
Another issue relating to the data with many of the aforementioned copy protection routines is that in most cases they'll only work on a Windows system.For most other Operating systems, the data becomes totally unreadable!
Missing content doesn't work as well as hoped, or rather "damaged" or bad cd sectors don't- again the media has to be readable at some point... so the installer package know sthat there are going to be "precieved" or actual errors on the CD, and the installer is going to use it's own driver and instructions to tell the rom to keep reading, or jump this many sectors...
If you have a program that can do the same thing, like press on reading even when there appear to be very big error's or the track doesn't seem to be contiguious- then the media is copyable. I've never had any problem making my own personal back-up cd/dvd's that are useable when using Linux and even some M$ programs to make the valid copies.
-rich
If you have a program that can do the same thing, like press on reading even when there appear to be very big error's or the track doesn't seem to be contiguious- then the media is copyable. I've never had any problem making my own personal back-up cd/dvd's that are useable when using Linux and even some M$ programs to make the valid copies.
-rich
ASKER
Thanks lot for sharing knowledge & ideas (richrumble/pgedmond/kaspe
acctually i just wanted to know if there is anyway to secure data on cd, may it have data in form of (docs,movie,song,software)
it seems that there isn't any single solution which can be used to secure all type of data, should be specific
and i think non of them solution is unbreakable/hackable ..........
anyway that was informative .......
i really didn't get my full proof answer .......
so im splitting points between you guys
thanks again
Nauman
acctually i just wanted to know if there is anyway to secure data on cd, may it have data in form of (docs,movie,song,software)
it seems that there isn't any single solution which can be used to secure all type of data, should be specific
and i think non of them solution is unbreakable/hackable ..........
anyway that was informative .......
i really didn't get my full proof answer .......
so im splitting points between you guys
thanks again
Nauman
If you have the right software any CD can be copied.