What is the Common Scrambling Algorithm (CSA)?
The Common Scrambling Algorithm is the encryption algorithm available in the DVB digital television broadcasts for protecting the content in video streams. The CSA allows for a high degree of commonality between different content protection suppliers, while permitting multiple approaches in the specifics of how content viewing rights are securely managed and delivered. This ability to support multiple approaches is essential to fostering innovation in business models, and protecting legitimate content distribution stakeholders against piracy.
