198692 ⎘
Signal processing not specific to the method of recording or reproducing; Circuits therefor; Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier the cryptographic key used for encryption and/or decryption of contents recorded on or reproduced from the record carrier being read from a specific source wherein the key is stored on the record carrier wherein a first key, which is usually stored on a hidden channel, e.g. in the lead-in of a BD-R, unlocks a key locker containing a second
CONTROLLING DISTRIBUTION AND USE OF DIGITAL WORKS
#2Digital Content Storage Process
#3Device for running copy-protected software
#4Method and Device For Controlling Distribution And Use of Digital Works
#5METHOD FOR MANAGING COPY PROTECTION INFORMATION OF RECORDING MEDIUM
#6METHOD FOR MANAGING COPY PROTECTION INFORMATION OF RECORDING MEDIUM
#7MANAGING COPY PROTECTION INFORMATION OF ENCRYPTED DATA
#8Data carrier belonging to an authorized domain
#9Record carrier, read-out device and method for reading carrier data and network data
#10Content protection method and system
#11Entry point for digital rights management data
#12Method and device for protecting user information against manipulations
#13Device for recording data, record carrier and method for recording data
#14Method and system for controlling access to content
#15Recording medium recording apparatus, recording method, recording medium reproduction apparatus, and reproduction method
#16Digital rights management