drm

Check if a .Lit ebook file has been DRMed

Do we have any documentation that describes how to read the header information in Microsoft ebook format - ebook(dot)LIT . We're trying to check if a bunch of ebooks have been protected by DRM. I'm assuming that there is a way to check a few attributes to ascertain that the file has been created with DRM levels 1-5. Plan to discard ...

What SDK for Metering on Windows Mobile?

I am trying to write A Windows Mobile app that will include DRM metering but I have been unable to find IWMDRMDeviceApp::GenerateMeterChallenge or any equivalent within the Windows Mobile 6 SDK. The only possibility that I have come up with so far is Windows Media DRM 10 for Portable Devices Porting Kit but this has a substantial licensi...

Digital Rights Management in Adobe Flex

I have a NetStream set up and it's supposed to listen for DRMAuthenticateEvent.DRM_Authenticate. When I give it an encrypted file (encrypted using software from drm-x.com), no DRMAuthenticateEvenet seems to be dispatched. The code looks like this: private function init():void { nc = new NetConnection(); nc.connect(null); ns = new...

Adobe Air Local FLV Playback

I'd like to distribute FLV files from my website, however I want a level of DRM control over the files. So far, I've been able to modify the FLV files to contain a 60 character ID at the very front of the file, but I can't figure out how to get AIR to extract the ID and therefore play the file. All I can figure out is using NetStream, bu...

Are the WWDC 09 session videos Fairplay-DRM protected?

I would like to buy the »WWDC 2009 iPhone Session Videos« from ADC. But I want to view them on my TV which is capable displaying mp4/h264 m4v (mov) files which you could grab for free on ADC@iTunes some time ago. Somebody knows if the iPhone WWDC 09 videos comes without any DRM, too? Because my TV isn't able to display rented movies fro...

Content Water Marking

We have members-only paid content that is frequently copied and republished without our permission. We are trying to ‘watermark’ our content by including each customer’s user id in a fake css class, for example <p class='userid_1234'> (except not so obivous, of course :), that would help us track the source of the copying, and then we p...

How to create DRM scheme to protect MP3 files with C++?

Any ideas how I can create a DRM scheme to protect MP3 files using C++ or perhaps some other language? ...

How to predeliver WMA DRM licenses ?

I'm trying to install WMA DRM licenses files silently so that users would not have to play each song and acknowledge for each license. I figured out that I need to do something like this : HRESULT res = CoCreateInstance(__uuidof(RMGetLicense),NULL,CLSCTX_ALL,__uuidof(IRMGetLicense ),(void**) &pLicense ); res = pLicense->GetLicenseFromU...

Microsoft Windows DRM Server tips

We are looking into solution which involves playing copyright protected video using Microsoft DRM Server and Silverlight player. the video will be played to registered users on the web using Silverlight player. I've read all MSDN documentation on this subject and kind of get an idea how it is supposed to work. However, I couldn't find ...

Securing Office web content from redistribution without RMS

I’m looking for a mechanism that can be used to distribute Microsoft Office content over the web without using Rights Managements Services whilst minimising the ability for it to be printed or redistributed. I know any solution is always going to be a compromise and never entirely secure but I’d be interested in any mechanisms which incr...

How to implement/use a secure 'read-once' local file access system?

Hi, does anybody know of a secure 'read-once' local file access system? Or how one might create one? I realise that if data is to be used on a system, then it must be capable of being read, but I think it may be possible to severely limit how data is made available and reduce the possibility of it being copied and used elsewhere. These ...

How do I prevent other programmers from wrapping my assembly?

Can someone tell me what the best approach to protecting my component DLLs in .Net? I've written a few DLL components which will be publicly available. They will be licensed accordingly but I want to programmatically make sure that no one is using the components within their solutions illegally. Any ideas? ...

How to programmatically impose printing restrictions/DRM on PDF for confidential documents using Microsoft .NET

I came across stackoverflow from a podcast recommendation and I'm very impressed. This is my first post. I'm a Microsoft .net developer and I'm on a project with following requirements. 1) Confidential PDF document should be displayed to user with NO OPTION TO PRINT AT ALL. The reason to do this is the PDF's are for view only and users ...

how to protect My Programs?

Let's say I have designed s very important system, and this system costs thousands dollars. I want to protect my system with a serial number as I know crackers will try to edit the binary code to bypass the serial number. I have read about using a checksum function and apply it over my binary code and check the value if changed, but aga...

nonsilent delivery of a WMRM DRM license via ASP.NET MVC?

Is it possible to do nonsilent delivery of a WMRM DRM license via ASP.NET (ideally MVC)? I have silent delivery working fine. All the samples from the SDK (WMRM10.1) are in asp - of which I have no experience (I went from PHP to ASP.NET). It looks like I need to implement the actual issuance in vbscript or JavaScript included with the...

How to create ebook DRM reader and distribution platform?

My company has decided to develop ebook DRM platform. The platform does not have to be perfectly safe, but should be comparable to existing DRM platform. Software can be written in .NET or Java, both client and server-side. I am pretty much at dark on how I should approach this project and how DRM software really works. Any good tip on...

Is it possible to implement per-iTunes account DRM for in-app purchased content?

The receipt Apple returns from a purchase does not include the iTunes account information of the user that purchased the content and there also doesn't seem to be way of having Apple verify if a given device UUID belongs to an iTunes account. Is there anyway to implement a secure DRM system that allows users to purchase content once and...

What language will protect my source code?

I wish to create shareware software that contains a registration algorithm. I am looking for a programming language, that cannot be easily decompiled into readable code. For example, C# can be decompiled into readable code. What are my options? Edit: I'm looking for something that can be only decompiled into assembly. Delphi, for exa...

is it reasonable to protect drm'd content client side

Update: this question is specifically about protecting (encipher / obfuscate) the content client side vs. doing it before transmission from the server. What are the pros / cons on going in an approach like itune's one - in which the files aren't ciphered / obfuscated before transmission. As I added in my note in the original question, t...

How to programmatically determine if DRM was removed from iPhone application?

How can I determine if DRM was removed from iPhone application bundle (to protect it from piracy)? ...