Patent ID: 7530116
Filing Date: 2009-05-05
Classification: G06F,G11B,H04L

Abstract:
1. A method of enabling an end user to record digital data, the method comprising: generating, by the end user, an encryption key; providing, to the end user, at the request of the end user, encrypted digital data, the encrypted digital data having been encrypted by the encryption key; storing the encrypted digital data with information identifying licensed rights; allowing the end user to decrypt and record the digital data with copy protection onto a data carrier where the licensed rights include a right to record the digital data; generating a request to obtain a key to enable recording of a decrypted digital data; and upon use of the key by the end user to record the decrypted digital data onto the data carrier requiring that the decrypted digital data be recorded together with the copy protection for the decrypted digital data to render a copy controlled disc, the copy protection including a digital signature and an authentication routine.