Patent ID: 11882449
Assignee: CABLE TELEVISION LABORATORIES, INC.
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. A message server for broadcasting messages over a communication network, comprising:
a transceiver configured for operable communication with a signing server and at least one client-side device over a communication medium of the communication network;
a processor including a memory configured to store computer-executable instructions, which, when executed by the processor, cause the message server to:
transmit a digital signing request to the signing server;
receive, from the signing server, a signing response to the digital signing request, wherein the signing response includes a digital certificate;
compute a digital signature over a Master Information Block (MIB), a System Information Block (SIB), and a timestamp;
transmit the MIB and SIB to the client-side device; and
transmit a message comprising the timestamp, the digital signature, and the digital certificate to the client-side device.