CPC H04L 9/3242 (2013.01) [G06F 16/2379 (2019.01); G06F 21/64 (2013.01)] | 20 Claims |
1. An intelligent electronic device (IED) of an electric power delivery system, the IED comprising:
processing circuitry; and
a memory comprising instructions, wherein the instructions, when executed by the processing circuitry, are configured to cause the processing circuitry to perform operations comprising:
receiving first data via parallel redundancy protocol (PRP);
generating a first integrity check value using a media access control security (MACsec) integrity check function based on the first data;
receiving second data via PRP;
generating a second integrity check value using the MACsec integrity check function based on the second data;
comparing the first integrity check value and the second integrity check value with one another; and
outputting a notification in response to determining that the first integrity check value and the second integrity check value do not match one another.
|