Patent ID: 11943502
Assignee: SYNAMEDIA LIMITED
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H | IPC H

Claim 6:
7. The method of claim 1, further comprising regulating, by the controller, the user access to the channel during a next entitlement period, including:
determining whether or not a user is entitled to the channel during the next entitlement period based on a user profile of the user; and
in accordance with a determination that the user is entitled to the channel, determining a third security ranking of the first device and a fourth security ranking of the second device based on the security profile, assigning a third subset of service keys to be encrypted with the first device key and a fourth subset of service keys to be encrypted with the second device key based on the third and the fourth security rankings, generating a third subset of encrypted service keys by encrypting the third subset of service keys with the first device key and generating a fourth subset of encrypted service keys by encrypting the forth subset of service keys with the second device key, and causing the transmitter to transmit the third subset of encrypted service keys to the first device and the fourth subset of encrypted service keys to the second device.