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US 2022/0069618 A1Published application
Media access control security (macsec) application cryptographic fingerprinting
AssigneeSchweitzer Engineering Laboratories, Inc.
InventorsColin Gordon, Sai Krishna Raghupathula
Life of this patent
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Abstract
An intelligent electronic device (IED) includes memory and a processor operatively coupled to the memory. The processor is configured to establish, over a communication network of a power system, a connection association (CA) with a receiving device using a MACsec Key Agreement (MKA). The processor is configured to automatically send an announce message indicating a set of enabled application protocols on the IED to the receiving device.
Claims20
An intelligent electronic device (IED), comprising:
- a memory;
- and
- a processor operatively coupled to the memory, wherein the processor is configured to execute instructions stored on the memory to cause operations comprising:
- obtain power system data from a power system;
- and
- generate a frame comprising a port identifier associated with an application protocol of a network stack of a communication network of the power system to allow a receiving device on the communication network to identify the application protocol of the frame.
3 more elements
A receiving intelligent electronic device (IED), comprising:
- a memory;
- and
- a processor operatively coupled to the memory, wherein the processor is configured to execute instructions stored on the memory to cause operations comprising:
- receiving a frame from a sending IED on a communication network of a power system;
- and
- determining an application protocol of the frame based on a port identifier of the frame.
3 more elements
A method, comprising:
- obtaining, via a first electronic device, power system data from a power system;
- and
- generating, via the first electronic device, a frame comprising a port identifier associated with an application protocol of a communication network of the power system to allow a second electronic device to identify the application protocol of the frame.
Dependencies are inferred from the claim text.