Entity: aes_key_expand

• File: aes_key_expand.sv

Diagram

Description

Generics

Generic name	Type	Value	Description
AES192Enable	bit	1
Masking	bit	0
SBoxImpl	sbox_impl_e	SBoxImplLut
NumShares	int	Masking ? 2 : 1	derived parameter

Ports

Port name	Direction	Type	Description
clk_i	input
rst_ni	input
cfg_valid_i	input
op_i	input	ciph_op_e
en_i	input	sp2v_e
out_req_o	output	sp2v_e
out_ack_i	input	sp2v_e
clear_i	input
round_i	input	[3:0]
key_len_i	input	key_len_e
key_i	input	[7:0]
key_o	output	[7:0]
prd_i	input	[WidthPRDKey-1:0]
err_o	output

Signals

Name	Type	Description
en	sp2v_e
en_err	logic
out_ack	sp2v_e
out_ack_err	logic
rcon_d	logic [7:0]
rcon_q	logic [7:0]
rcon_we	logic
use_rcon	logic
rnd	logic [3:0]
rnd_type	logic [3:0]
spec_in_128	logic [31:0]
spec_in_192	logic [31:0]
rot_word_in	logic [31:0]
rot_word_out	logic [31:0]
use_rot_word	logic
sub_word_in	logic [31:0]
sub_word_out	logic [31:0]
sub_word_out_req	logic [3:0]
sw_in_mask	logic [31:0]
sw_out_mask	logic [31:0]
rcon_add_in	logic [7:0]
rcon_add_out	logic [7:0]
rcon_added	logic [31:0]
irregular	logic [31:0]
regular	logic [7:0][31:0]
unused_cfg_valid	logic	cfg_valid_i is used for gating assertions only.
en_raw	logic [Sp2VWidth-1:0]	//////////////////////////// Sparsely Encoded Signals // ////////////////////////////
out_ack_raw	logic [Sp2VWidth-1:0]

Constants

Name	Type	Value	Description
NumShares	int	Masking ? 2 : 1	derived parameter

Processes

• get_rnd_type: ( )

• rcon_usage: ( )

• rcon_update: ( )

• reg_rcon: ( @(posedge clk_i or negedge rst_ni) )

Instantiations

• u_aes_key_expand_en_buf_chk: aes_sel_buf_chk

• u_aes_key_expand_out_ack_buf_chk: aes_sel_buf_chk