Blu-ray Protection
The Blu-ray are set to replace DVD in every way, whether the picture quality (1080p), interactivity (BD-J), size (50GB) and now protection.
CSS
Conventionally the DVD used CSS (Content Scrambling System) as the encryption, although mediocre, the development of a new consumption of encryption have been time and would have caused delays. Hackers decrypted the system in a short time inducing a loss of billions of dollars. The main decryption known today is DeCSS by Jon Lech Johanssen created (aka DVD Jon), which proclaims in his defense that he merely wanted to make his own collection of legally bought DVDs.
Blu-ray
Initially Blu-ray has been introduced by Sony as recording media for more backup purposes, but as there was demand for high definition movies need high capacity media, the merger of the two was inevitable. Having learned from the mistakes of CSS better encryption method was needed.
AACS
AACS (Advanced Access Content System) developed jointly by Sony, Toshiba, Warner, Panasonic, IBM, Microsoft and Intel will be used with both the HD-DVD and Blu-ray. This system can stop a device to play all movies longer submit to uselessness. To do this, if the machine is hacked to make an illegal IP. What is AACS can do is to disable the decryption key unique to that device. AACS also includes an image limit token (ICT), which applies to the downgrading of the video analog video signal HD to a maximum resolution of 960 x 540. ICT is not an option for the owner of video content. An audio watermark is another new feature of AACS is optional for the owner of video content that is inserted into an audible signal the audio track.
ROM-MARK
In addition to AACS Blu-ray Association have decided to add two more layers of the BD-ROM of the ROM-Mark and BD +. This is something we will discuss later.
The ROM mark is another extra layer to protect the drive against hackers. It is a mechanism similar to the level of protection against bit by bit and the copy will be included in ROMs media such as movies, music and games. The ROM mark is invisible to consumers and requires equipment manufacturing Blu-ray to be created.
BD +
BD + is a variant of the technology known as self-protecting digital content (SPDC). This provides a dynamic protection renewable. Title-specific code is extracted from the disc and integrated into a virtual machine, software, security checks are performed by the disk to secure its own reading. Inevitably, that will allow content providers is the video to renew content protection on the BD-ROM drives that has been hacked.
Conclusion
The future of the protection of Blu-ray is important and imperative in an era of piracy. Their philosophy is to avenge the companies and their big movie rip-off for consumers is not surprising to most people who want to pay less.
Whether this is sufficient protection in this day and age is difficult, we must remember that hackers have a lot of time and resources to achieve their objective, but
This time the developers of the protection of Blu-ray on a schedule worked better time to get something water tight. Unfortunately, I think it will be a year before a technique is to copy Blu-ray very workable ideas that have already been published on the Internet. )