commponent bt: 1.added the bt_app_sec.c file used for the security of the bt module;
2.added the bt_app_sec.h file which defined the sturct used for the bt security
This commit is contained in:
parent
c56325f43b
commit
6a5f5400f0
|
@ -0,0 +1,108 @@
|
||||||
|
/**
|
||||||
|
****************************************************************************************
|
||||||
|
*
|
||||||
|
* @file bt_app_sec.c
|
||||||
|
*
|
||||||
|
* @brief Application entry point
|
||||||
|
*
|
||||||
|
* Copyright (C) Espressif 2016
|
||||||
|
* Created by Yulong at 2016/10/13
|
||||||
|
*
|
||||||
|
*
|
||||||
|
****************************************************************************************
|
||||||
|
*/
|
||||||
|
|
||||||
|
#include "bt_app_sec.h"
|
||||||
|
#include <stdlib.h> // standard library
|
||||||
|
#include <string.h>
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
extern void srand (unsigned int seed);
|
||||||
|
extern int random (void);
|
||||||
|
|
||||||
|
/// Application Security Environment Structure
|
||||||
|
tAPP_SEC_ENV app_sec_env;
|
||||||
|
|
||||||
|
|
||||||
|
/*******************************************************************************
|
||||||
|
**
|
||||||
|
** Function app_ble_sec_gen_tk
|
||||||
|
**
|
||||||
|
** Description This function is called to generate the ble tk
|
||||||
|
**
|
||||||
|
** Returns the generate tk value
|
||||||
|
**
|
||||||
|
*******************************************************************************/
|
||||||
|
UINT32 app_ble_sec_gen_tk(void)
|
||||||
|
{
|
||||||
|
// Generate a PIN Code (Between 100000 and 999999)
|
||||||
|
return (100000 + (random()%900000));
|
||||||
|
}
|
||||||
|
|
||||||
|
/*******************************************************************************
|
||||||
|
**
|
||||||
|
** Function app_ble_sec_gen_ltk
|
||||||
|
**
|
||||||
|
** Description This function is called to generate the ble ltk
|
||||||
|
**
|
||||||
|
** Returns NULL
|
||||||
|
**
|
||||||
|
*******************************************************************************/
|
||||||
|
void app_ble_sec_gen_ltk(UINT8 key_size)
|
||||||
|
{
|
||||||
|
// Counter
|
||||||
|
UINT8 i;
|
||||||
|
app_sec_env.key_size = key_size;
|
||||||
|
|
||||||
|
// Randomly generate the LTK and the Random Number
|
||||||
|
for (i = 0; i < RAND_NB_LEN; i++)
|
||||||
|
{
|
||||||
|
app_sec_env.rand_nb.nb[i] = random()%256;
|
||||||
|
}
|
||||||
|
|
||||||
|
// Randomly generate the end of the LTK
|
||||||
|
for (i = 0; i < SEC_KEY_LEN; i++)
|
||||||
|
{
|
||||||
|
app_sec_env.ltk.key[i] = (((key_size) < (16 - i)) ? 0 : random()%256);
|
||||||
|
}
|
||||||
|
|
||||||
|
// Randomly generate the EDIV
|
||||||
|
app_sec_env.ediv = random()%65536;
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
/*******************************************************************************
|
||||||
|
**
|
||||||
|
** Function app_ble_sec_init
|
||||||
|
**
|
||||||
|
** Description This function is init the security env and function
|
||||||
|
**
|
||||||
|
** Returns NULL
|
||||||
|
**
|
||||||
|
*******************************************************************************/
|
||||||
|
void app_ble_sec_init()
|
||||||
|
{
|
||||||
|
// Reset Security Environment
|
||||||
|
memset(&app_sec_env, 0, sizeof(app_sec_env));
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
/*******************************************************************************
|
||||||
|
**
|
||||||
|
** Function app_ble_security_start
|
||||||
|
**
|
||||||
|
** Description This function is called by the slave when the seurity start
|
||||||
|
**
|
||||||
|
** Returns NULL
|
||||||
|
**
|
||||||
|
*******************************************************************************/
|
||||||
|
void app_ble_security_start(void)
|
||||||
|
{
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
|
|
@ -0,0 +1,78 @@
|
||||||
|
/**
|
||||||
|
****************************************************************************************
|
||||||
|
*
|
||||||
|
* @file bt_app_sec.h
|
||||||
|
*
|
||||||
|
* @brief Application entry point
|
||||||
|
*
|
||||||
|
* Copyright (C) Espressif 2016
|
||||||
|
* Created by Yulong at 2016/10/13
|
||||||
|
*
|
||||||
|
*
|
||||||
|
****************************************************************************************
|
||||||
|
*/
|
||||||
|
|
||||||
|
#include "bt_types.h"
|
||||||
|
|
||||||
|
#define APP_SEC_IRK_FLAG (0)
|
||||||
|
#define RAND_NB_LEN 0x08
|
||||||
|
#define SEC_KEY_LEN 0x10
|
||||||
|
|
||||||
|
/*
|
||||||
|
* STRUCTURES DEFINITIONS
|
||||||
|
****************************************************************************************
|
||||||
|
*/
|
||||||
|
|
||||||
|
|
||||||
|
/// Generic Security key structure
|
||||||
|
typedef struct
|
||||||
|
{
|
||||||
|
/// Key value MSB -> LSB
|
||||||
|
UINT8 key[SEC_KEY_LEN];
|
||||||
|
}smp_sec_key;
|
||||||
|
|
||||||
|
///Random number structure
|
||||||
|
typedef struct
|
||||||
|
{
|
||||||
|
///8-byte array for random number
|
||||||
|
UINT8 nb[RAND_NB_LEN];
|
||||||
|
}rand_nb;
|
||||||
|
|
||||||
|
typedef struct
|
||||||
|
{
|
||||||
|
// LTK
|
||||||
|
smp_sec_key ltk;
|
||||||
|
// Random Number
|
||||||
|
rand_nb rand_nb;
|
||||||
|
// EDIV
|
||||||
|
UINT16 ediv;
|
||||||
|
// LTK key size
|
||||||
|
UINT8 key_size;
|
||||||
|
|
||||||
|
// Last paired peer address type
|
||||||
|
UINT8 peer_addr_type;
|
||||||
|
// Last paired peer address
|
||||||
|
BD_ADDR peer_addr;
|
||||||
|
|
||||||
|
// authentication level
|
||||||
|
UINT8 auth;
|
||||||
|
|
||||||
|
}tAPP_SEC_ENV;
|
||||||
|
|
||||||
|
extern tAPP_SEC_ENV app_sec_env;
|
||||||
|
|
||||||
|
/*
|
||||||
|
* GLOBAL FUNCTIONS DECLARATIONS
|
||||||
|
****************************************************************************************
|
||||||
|
*/
|
||||||
|
|
||||||
|
void app_ble_sec_init(void);
|
||||||
|
|
||||||
|
void app_ble_sec_pairing_cmp_evt_send(UINT8);
|
||||||
|
|
||||||
|
UINT32 app_ble_sec_gen_tk(void);
|
||||||
|
|
||||||
|
void app_ble_sec_gen_ltk(UINT8 key_size);
|
||||||
|
|
||||||
|
void app_ble_security_start(void);
|
||||||
|
|
Loading…
Reference in a new issue