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How to Remove CSS Protection ?

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.

The purpose of CSS is two fold. First and foremost, it prevents byte-for-byte copies of an MPEG stream from being playable since such copies will not include the keys that are hidden on the lead-in area of the protected DVD disk. Second, it provides a reason for manufacturers to make compliant devices, since CSS scrambled disks will not play on noncompliant devices. Anyone wishing to build compliant devices must obtain a license, which contains the requirement that the rest of the copy-protection system be implemented.

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.

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 a CSS encrypted DVD then try this. DVDSmith is IMO the best option.."- Nick

Use DVDSmith to Remove CSS Encryption from DVDs on XP & Vista

You may have bought lots of favorite DVD movies from your local stores, flea markets, or even online stores, such as eBay and amazon, and you would like to play them on any computers and DVD players. Unfortunely, these DVDs are either CSS encrytped or region codes locked.

To remove encryption (CSS) and region code from your favorite DVDs and copy them to your hard drive, please simply follow instructions below to use DVDSmith Movie Backup:

Step 1. Insert a DVD in your DVD drive

Step 2. Choose backup mode

In the main work space, you can see two backup modes:

Full Disc: This will backup all contents from the DVD, including main movie, bonus features, and maybe some other extra video clips.

Main Movie: This will only backup the main movie from the DVD, excluding bonus features or other extra video clips.

(Note: see the difference between these two modes)

Step 3. Select source disk location

All DVD drivers will be listed in the drop down list. Select the drive where the movie DVD is inserted.

Step 4. Select output folder path

Remember to choose a place where there's enough space to put the backup files.

If the Free Space of Hard Disk is smaller than the DVD Size, you should press this button to change output folder with enough free space in the disk.

Otherwise, this prompt will appear:

Step 5. Select Copy Method.

There are three copy methods availalbe of copying DVD to hard drive with DVDSmith Movie Backup. The DVD copy methods are:

Normal: For unencrypted and CSS encrypted DVD.

Lowly Enhanced: less scan times to decrypt DVD.

Highly Enhanced: more scan times to decrypt DVD.

Step 6. Start backup

After all DVD copying settings are done, press "Start Backup" button to start the DVD copying process.

If you decide to backup later or just want to cancel it, press "Stop Backup" button to stop the DVD copying process.

Step 7. Check the Output Folder

Once the backup process is finished, you can explore them on the hard disk:

(Note: above file illustration is in Full Disc mode. If using Main Movie mode, there will be different.)