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Of course, many protections are also used on Blu-ray, and we won't talk about them one by one. There are lots of other copy protections for DVDs. Later, more DVDs attempted to augment CSS with additional protection schemes like ARccOS Protection, which was made by Sony and deliberately creates corrupted sectors on the DVD so as to cause copying software to produce errors. With this technique, the work is encrypted using a key only included in the firmware of 'authorized' players, which allows only 'legitimate' uses of the work. Copies will not be playable without a key which is not writable on DVD-R or DVD-RW discs. It is a form of copy protection that uses 40-bit encryption.

We all know that most publishers of music and films in digital form have turned to encryption to make copying more difficult, which is really frustrating for DVD/Blu-ray lovers to backup their favorite and protected disc content to hard drives on their computers.ĬSS, which is used on DVDs, is a famous example of this.

4 /PRNewswire-Asia/ - Fengtao Software, a professional multimedia software provider, promotes its new products to the market - DVDFab HD Decrypter, which enables users to backup encrypted DVD/Blu-ray to hard drive for free.

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