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Initially, it was thought that the compromise of HD DVD's security would entice some studios into adopting the competing Blu-ray format, but Blu-ray's AACS implementation has since been circumvented using a similar method. However, Blu-ray offers an additional layer of protection called BD+.
On February 17, 2007, SlySoft released AnyDVD HD. AnyDVD and AnyDVD HD are the same software, but the license key determines whether the HD aspects of the software are available to the user. When the HD part of the software is enabled it permits access to HD DVDs and Blu-ray Discs, including decryption of AACS-encrypted discs. In the case of ...
The primary advantage of HD DVD-RW over HD DVD-R is the ability to erase and rewrite to an HD DVD-RW disc, up to about 1,000 times before needing replacement, making them comparable with the CD-RW and DVD-RW standards. This is also of benefit if there are writing errors when recording data, as the disc is not ruined and can still store data by ...
The Advanced Access Content System (AACS) is a standard for content distribution and digital rights management, intended to restrict access to and copying of the post-DVD generation of optical discs. The specification was publicly released in April 2005. The standard has been adopted as the access restriction scheme for HD DVD and Blu-ray Disc ...
Remaining existing US software have disabled the decrypt / unencrypted / de-lock feature that allows bypass the Blu-ray disc protections. As from October, 2014 MakeMKV, MyBD and AnyDVD (AnyDVD is like a driver for decrypt purposes only) are able to decrypt Blu-ray disc protection as being are freeware applications.
RedFox (formerly SlySoft) was a software development company based in Belize.The company is most prominently known for its software AnyDVD, which can be used to bypass copy protection measures on optical media, including DVD and Blu-ray Disc media, as well as CloneCD, which is used to back up the contents of optical discs.
It has been superseded by newer DRM schemes such as Content Protection for Recordable Media (CPRM), or by Advanced Encryption Standard (AES) in the Advanced Access Content System (AACS) DRM scheme used by HD DVD and Blu-ray Disc, which have 56-bit and 128-bit key sizes, respectively, providing a much higher level of security than the less ...
Commercial HD DVDs and Blu-ray discs integrate copy protection technology specified by the AACS LA. There are several interlocking encryption mechanisms, such that cracking one part of the system does not necessarily crack other parts. Therefore, the "09 F9" key is only one of many parts that are needed to play a disc on an unlicensed player.