Entity: keymgr_sideload_key_ctrl

• File: keymgr_sideload_key_ctrl.sv

Diagram

Description

Ports

Port name	Direction	Type	Description
clk_i	input
rst_ni	input
init_i	input
clr_key_i	input	keymgr_sideload_clr_e	clear key just deletes the key
wipe_key_i	input		wipe key deletes and renders sideloads useless until reboot
entropy_i	input	[Shares-1:0][RandWidth-1:0]
dest_sel_i	input	keymgr_key_dest_e
key_sel_i	input	keymgr_gen_out_e
data_en_i	input
data_valid_i	input
key_i	input	hw_key_req_t
data_i	input	[Shares-1:0][kmac_pkg::AppDigestW-1:0]
prng_en_o	output
aes_key_o	output	hw_key_req_t
kmac_key_o	output	hw_key_req_t
otbn_key_o	output	otbn_key_req_t

Signals

Name	Type	Description
state_q	keymgr_sideload_e
state_d	keymgr_sideload_e
keys_en	logic
data_truncated	logic [Shares-1:0][KeyWidth-1:0]
clr_all_keys	logic	clear all keys when selected by software, or when wipe command is received
aes_clr	logic
kmac_clr	logic
otbn_clr	logic
clr	logic
aes_sel	logic
kmac_sel	logic
otbn_sel	logic
kmac_sideload_key	hw_key_req_t

Types

Name	Type	Description
keymgr_sideload_e	enum logic [2:0] { StSideloadReset, StSideloadIdle, StSideloadWipe, StSideloadStop }	Enumeration for working state

Processes

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

• unnamed: ( )

Instantiations

• u_aes_key: keymgr_sideload_key

• u_otbn_key: keymgr_sideload_key

• u_kmac_key: keymgr_sideload_key