Copy-protected DVDs
The movies are protected by CSS encryption (Content Scrambling System), which develops and safety of Hollywood as a defense against movie piracy. In simple terms, CSS encrypts data on DVD with a special key can decrypt the DVD. key is not secret, the developers of DVD playback software, the software needed to read the information on.
CSS protection used a 40-bit encryption. In simple terms, the copies can not be played because the keyis there. The key is not writable discs to DVD-RW or DVD-R. The Digital Copyright Act against the illegal player kept the Millennium, the intention of eliminating the threat to use the copy. So, apparently, no such thing as a copy of the DVD.
However, protection was found incompetent. CSS encryption was broken, which then led to a number of other DVD copying software. Apart's CSS Macrovisioncome in the form of protection against counterfeiting, which can also be found on VHS tapes. However, progress is not always so universally applicable, there are some compatibility issues arose.
There are software programs that are able to correctly decode the CSS encryption. One is the DVD Decrypter, the only protection does not remove, but also gives you the luxury torn parts of the film. They can also copy them onto a DVD. Writable
AnyDVD is another software that can remove the protection. Unlike DVD Decrypter, AnyDVD can rip and burn them directly.
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