/space/home/slher/rel/Beken/v6_4_5/macsw/ip/umac/src/mfp/mfp_bip.c File Reference

Manangement Frames protection module. More...

#include "rwnx_config.h"
#include "dbg_assert.h"
#include "mac_frame.h"
#include "co_utils.h"
#include "mfp_bip.h"
#include "hsu.h"

Go to the source code of this file.

Defines
#define	S(a, s)   sbox_t[(a >> s) & 0xff]
	Apply Substitution.
#define	SX2(a, s)   x_time2_sbox_t[(a >> s) & 0xff]
	apply substitution square
#define	SX3(a, s)   x_time3_sbox_t[(a >> s) & 0xff]
	apply substitution cube
Functions
__INLINE uint32_t	sched_core (uint32_t val, int r)
	Key schedule core function.
static void	aes_expand_key (uint32_t *key, uint32_t *rk)
	expand AES key.
__INLINE void	add_round_key (uint32_t *rk, uint32_t *data, int r)
	AddRoundKey step of AES encryption.
__INLINE void	shift_sub (uint32_t *data)
	SubBytes and ShiftRows steps of AES encryption.
__INLINE void	mix_shift_sub (uint32_t *data)
	SubBytes, ShiftRows and MixColumns steps of AES encryption.
static void	aes_encrypt_block (uint32_t *rk, uint32_t *data)
	Encrypt a block of data inplace with AES.
static void	aes_cmac_shift_sub_key (uint32_t *k)
	Left shift by 1 bit and XOR CMAC subkey.
__INLINE void	xor_block (uint32_t *a, uint32_t *b)
	XOR two vectors of 16 bytes.
static uint64_t	aes_cmac (uint32_t *key, int nb_elem, uint32_t addr[], int len[])
	Compute AES-CMAC on provided vectors.
uint64_t	mfp_compute_bip (struct key_info_tag *key, uint32_t frame_addr, int frame_len, int machdr_len, uint32_t mmic_addr)
	Compute MIC for BIP (Broadcast Integrity Protocol).
Variables
static const uint8_t	sbox_t [256]
	Substitution box.
static const uint8_t	x_time2_sbox_t [256]
	Substitution box (square).
static const uint8_t	x_time3_sbox_t [256]
	Substitution box (cube).
const uint32_t	rcon_t []
	rcon: exponentiation of 2 to a user-specified value
uint16_t	mfp_aad [10]
	Additional Authentication Data vector for MIC computation Must be in SHARED RAM when HSU is used.

---

Detailed Description

Manangement Frames protection module.

Copyright (C) RivieraWaves 2015-2019

Definition in file mfp_bip.c.