Entity: aes_mix_single_column
- File: aes_mix_single_column.sv
Diagram
Description
Copyright lowRISC contributors. Licensed under the Apache License, Version 2.0, see LICENSE for details. SPDX-License-Identifier: Apache-2.0
AES MixColumns for one single column of the state matrix
For details, see Equations 4-7 of: Satoh et al., "A Compact Rijndael Hardware Architecture with S-Box Optimization"
Ports
| Port name | Direction | Type | Description |
|---|---|---|---|
| op_i | input | ||
| data_i | input | [3:0] | |
| data_o | output | [3:0] |
Signals
| Name | Type | Description |
|---|---|---|
| x | logic [3:0][7:0] | |
| y | logic [1:0][7:0] | |
| z | logic [1:0][7:0] | |
| x_mul2 | logic [3:0][7:0] | |
| y_pre_mul4 | logic [1:0][7:0] | |
| y2 | logic [7:0] | |
| y2_pre_mul2 | logic [7:0] | |
| z_muxed | logic [1:0][7:0] |