Algunos algoritmos documentados que se han usado para DRM.

Referencias:

• Disappearing cryptography:information hiding : steganography & watermarking
• Approximation and Online Algorithms: 6th International Workshop, WAOA 2008. Pág. 194
• Wikipedia: Content Scramble System
• Cryptocrats: DRM Technologies
• NTT DoCoMo Technical Journal Vol. 6 No.4: Standardization of OMA DRM