Technology

What’s-ce what’s a DRM?

The Numerical Rights Management (DRM) is a large event of technologies and methods used to assure that anyone who uses a digital product has the right and the permission of the faire. Les DRM has a negative reputation, which is largely imméritée.

Pourquoi les DRM existent-ils ?

Contrairement à une voiture ou à un téléviseur, le code numerique peut être facilement copié et partagé. The result is a violation of copyrights and software piracy. Lorsque les utilisateurs peuvent obtain a functional copy of a numerical product sans le payer, les créateurs de ce produit risquent de perdre des ventes potentielles.

The GDN is censée rendre plus difficile the non-authorized copy of the numerical content, discourages piracy and protects the financial interests of the creator. C’est du moins la raison d’être de ce système, mais l’efficacité réelle de la GDN par rapport à l’objectif visé fait l’objet de nombreux débats.

There are many types of DRM

It is important to understand that everything that can manage the numerical rights is a DRM. Cela goes from solutions of reliable technology to sophisticated DRM that are based on a complex encryption and other advanced techniques.

Certaines choses sont des DRM en tant qu’effet secondaire d’autres choses. Les supports de jeux video proprietres peuvent exist for other reasons than copy prevention, more like (du moins au début) personne ne dispose du material nécessaire pour lire o écrire sur ces supports, ils agissent effectivement comme des DRM.

Certains DRM are effectively invisible for users, like the Steam client that clients use for telechargers, users and games. A client software is a form of DRM, but it is also a useful application that allows you to play games and keep track of it.

The DRM peuvent être intégrés directly dans los médias de manière à ce qu’il soit difficile, voire impossible, de les copier. A famous example is the “wobble groove” used for Sony’s first PlayStation console.

Although the PlayStation still used a normal compact disc (CD), it deliberately printed a “wobble groove” on the disc that standard CD recorders could not play. Also, if you make a bit-by-bit copy of a PlayStation CD, the console may know that it is a copy of the oscillation chair that is absent.

L’expert in DRM Modern Vintage Gamer explain très bien, sous forme de video, comment on the functionality of the security of the PS1.

DRM des clés de produit

Les clés de produit sont peut-être le type de DRM le plus connu, même si les ne plus aussi populaires qu’autrefois. If you have an exploitation system like Windows or a professional software, you can receive a letter (or an e-mail) containing a product code. It is the agit of a chain of characters that is validated by reference to a list of approved keys or the key is linked to a mathematical formula that does not give a valid result.

The types of products ont été mises en échec for the simple publication of lists of cle’s or for the use of a cle’s generator (keygen) that uses the same algorithm that develops the software for the cle’s gener.

executable DRM

The most important part of a software is executable. Il s’agit du fichier que vous exécutez pour lancer le program. Sans lui, vous ne pouvez pas utiliser le logiciel. The executable DRM modifies the executable file of the software so that it is not executed after it was validated. For example, the executable can be encrypted and a valid license is needed to decrypt it.

The DRM methods that concentrate on the executable file are current in the games and, in the world of pirated games, the cracking of the game’s executable is generally the object of pirates who suppress protection against la copy d’un jeu.

activation online

One of the main faiblesses of the GDN, such as the classes of produit or the protected executable files, is that one of the protection is disabled, and a plus grand-chose à faire. The online activation, on the other hand, means that the software must rappel the house in order to verify that it is a legal copy.

Well what is possible and remedy, it could be more complicated by usurper a verification service or separating the code that commands the activation online.

Check-in DRM online

The DRM of type « check-in » is a variant of the online activation, the seule difference réelle étant le nombre d’activations. The software that uses the DRM of type « check-in » and new online function that hangs from determined periods before need a new activation. This is where the plupart des appareils sont aujourd’hui en ligne la plupart du temps, les gens peuvent ne pas de rendre compte de la présence de la DRM d’enregistrement avant de voyager ou de ne pas se connecter pendant de longues périodes.

Physical DRM devices and accessoires

Parfois, a DRM solution is presented in the form of a distinct material device or another physical solution. At the time of young PCs with DOS, it is possible to have a lack of software in the game or the failure to seek the specific mots in the manual or use a new code to find a mot de passe. After the games on PCs largely abandoned physical supports, the type of DRM is obsolete.

Certain software professionals high in the range need a special material, generally a USB dongle, which do it is present for the software to function. As the developer of software controls the name of clés materielles, il ne peut y avoir más de copies que de clés. The reproduction of a clé material is more difficult and coûteuse than the neutralization of the GDN software, rather than that, pirated software is efficient in usurper the clé material dans le logiciel or de la rendre inutile.

When DRM went wrong

Les DRM doivent être invisible pour l’utilisateur et never l’empêcher d’utiliser le software. The plupart du temps, c’est exactly ce qui se passe, mais dans certains cas, les DRM posent de sérieux problèmes. One of the most sadly famous examples is the scandal of the Sony BMG rootkit, in which the Sony music CDs installed are essentially a malicious software to start copying the CD.

Also recently, the video Resident Evil 8 presented the problems of performances on PC that are not evident on the consoles. After suppressing the GDN, the software crackers ont affirmed that the problems avaient disparu.

It is possible de faire valoir that the DRM that complicate the life of paying clients and valiantly pass the comb d’être more in place because the pirated software obtains a more fluid and more performant product in certain cases. In other terms, DRM does not degrade to punish legitimate users!

Software without DRM

If DRM doesn’t laugh at you in principle, it is parfaitement understandable that certains utilisateurs n’en veuillent pas sur leur ordinateur. La bonne nouvelle, c’est que vous pouvez éviter les DRM en faisant quelques choix judicieux pour vos logiciels.

You can opt for a source exploitation system using Ubuntu or Fedora Linux. Il en va de même pour les logiciels de productivity. LibreOffice, Inkscape, GIMP and the names of other free software offer an option without DRM to accommodate your work.

You can même obtain des jeux vidéo sans DRM. Good Old Games guarantees that all games are free of DRM. Vous pouvez donc faire des copies de sauvegarde à votre guise. Croyez-le ou non, Steam allows developers to apply the integrated management of numerical rights, so that you can also achieve these games without DRM on Steam.

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