Multi-tier digital TV programming for content distribution

• Main Authors: MARCONCINI FRANCO, MUNSON JONATHAN P, YOUSSEF ALAA S, TANTAWY AHMED, PACIFICI GIOVANNI
• Format: Patent
• Language: English
• Published: 21.12.2004
• Edition: 7
• Subjects: CALCULATING; COMPUTING; COUNTING; ELECTRIC DIGITAL DATA PROCESSING; PHYSICS

A method of securely providing data to a user's system over a broadcast infrastructure. The method comprising the steps of: encrypting the data using a first encrypting key; encrypting a first decrypting key using a second encrypting key; dividing at least part of the encrypted data into a seri...