"C-Dilla" is the name of a company that was purchased by Macrovision. The previous company, and now Macrovision, use the "C-Dilla" technology to provide "software activation" services and CD Key verification services for anti-piracy reasons. This technology is now sold by Macrovision as "SafeCast" and is bundled with many products.
More information about C-Dilla and "official" content is located here:
- The "old" C-Dilla site is here: http://www.c-dilla.com/
- Macrovisions Web Site is here: http://www.macrovision.com/
- "FAQ" about C-Dilla, SafeCast and "spyware" concerns located on Macrovisions site is here: http://www.macrovision.com/solutions/software/scprodactfaq.html