DVDs, Key Wrapping, and Least Privilege

Video Notes

DVD Content Scramble System (CSS)

Key Wrapping

The video uses simple examples of key wrapping. Crypto researchers have developed more sophisticated key wrapping techniques with improved theoretical security properties. For an example, see AES key wrapping recommendations developed by NIST.

Vimeo Description

Shows how key wrapping allows controlled sharing of DVD crypto keys.

Video notes: cys.me/vid/c07

Video #8 shows how a DVD player unwraps keys to play video: vimeo.com/200426236

The previous video describes flaws in the DVD crypto scheme vimeo.com/199858435

See the entire Cryptosmith series in its album vimeo.com/album/4229550