What is CSS ?

The CSS (Content Scrambling System) is the encryption method used in commercial DVD production to prevent DVD data from being copied. The sole purpose of the CSS is to protect copyrights by preventing the pirating of DVDs. It utilizes a relatively weak, proprietary 40-bit stream cipher algorithm. The system was introduced around 1996 and has subsequently been compromised.

The CSS key sets are licensed by the DVD Copy Control Association to manufacturers who incorporate them into products such as DVD movie releases, drives & players. Most DVD players are equipped with a CSS Decryption module. CSS key is a collective term for authentication key, disc keys, player keys, title keys, secured disk key set, and/or encrypted title keys. Some of the keys are stored on the lead-in area of the disk, which is generally only read by compliant drives. Keys can be passed from a DVD drive to a descrambler over a PC bus using a secure handshake protocol.

 

How to Remove CSS Freely?

DVDSmith Movie Backup is a free and effective “DVD Region + CSS Free” utility for backup DVDs to hard drive for personal usage. It smartly removes CSS encrypted content form dvd and copy/backup DVD to hard disk. With its help, your DVD player will be able to play all region DVD on all DVD drives with mismatched region code without changing the region code. You needn’t hack DVD Rom or DVD-R/DVD+RW(flash firmware) which is very dangerous. (Tutorial on how to use DVDSmith Movie Backup)

 

User Review: “This app works like a charm! – “DVD Smith Movie Backup can backup a DVD to the computer with little user interaction. It can deal with region codes and copy protections so that all movies can be copied with ease. Granted that was a while ago but still the fact is that DVDSmith has never let me down. If you have a region locked drive and a  CSS encrypted DVD then try this. DVDSmith is IMO the best option.   - Nick

 

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