Patent ID: 11972030
Assignee: TEXAS INSTRUMENTS INCORPORATED
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 0:
1. A circuit device comprising:
a router that includes:
an ingress port configured to couple to a sending block to receive a message;
an egress port configured to couple to a receiving block to provide the message;

and
a controller coupled between the ingress port and the egress port; and

a firewall coupled to the router, wherein:
the message specifies an identifier, a security level, and a field that indicates whether to change the security level; and
the controller is configured to:
provide the identifier to the firewall;
receive, from the firewall, a context associated with the identifier; and
when the field indicates to change the security level, determine whether to change the security level of the message based on the context.