MACsec Intel® FPGA IP User Guide

ID 736108
Date 6/26/2023
Document Table of Contents Packet Encrypt

When a plaintext packet is coming through the encryption Controlled port, an SA is assigned to the packet. Since there is only 1 active SA on Tx SC, the active SA is used for the packet. There is no lookup required since simple muxing of 8 SAs within the 2 Tx SC derives which SA is active for the port.

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