108 lines
2.7 KiB
C
108 lines
2.7 KiB
C
/**
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****************************************************************************************
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*
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* @file bt_app_sec.c
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*
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* @brief Application entry point
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*
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* Copyright (C) Espressif 2016
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* Created by Yulong at 2016/10/13
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*
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*
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****************************************************************************************
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*/
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#include "bt_app_sec.h"
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#include <stdlib.h> // standard library
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#include <string.h>
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extern void srand (unsigned int seed);
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extern int random (void);
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/// Application Security Environment Structure
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tAPP_SEC_ENV app_sec_env;
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/*******************************************************************************
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**
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** Function app_ble_sec_gen_tk
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**
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** Description This function is called to generate the ble tk
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**
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** Returns the generate tk value
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**
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*******************************************************************************/
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UINT32 app_ble_sec_gen_tk(void)
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{
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// Generate a PIN Code (Between 100000 and 999999)
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return (100000 + (random()%900000));
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}
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/*******************************************************************************
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**
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** Function app_ble_sec_gen_ltk
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**
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** Description This function is called to generate the ble ltk
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**
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** Returns NULL
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**
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*******************************************************************************/
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void app_ble_sec_gen_ltk(UINT8 key_size)
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{
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// Counter
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UINT8 i;
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app_sec_env.key_size = key_size;
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// Randomly generate the LTK and the Random Number
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for (i = 0; i < RAND_NB_LEN; i++)
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{
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app_sec_env.rand_nb.nb[i] = random()%256;
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}
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// Randomly generate the end of the LTK
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for (i = 0; i < SEC_KEY_LEN; i++)
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{
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app_sec_env.ltk.key[i] = (((key_size) < (16 - i)) ? 0 : random()%256);
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}
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// Randomly generate the EDIV
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app_sec_env.ediv = random()%65536;
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}
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/*******************************************************************************
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**
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** Function app_ble_sec_init
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**
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** Description This function is init the security env and function
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**
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** Returns NULL
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**
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*******************************************************************************/
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void app_ble_sec_init()
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{
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// Reset Security Environment
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memset(&app_sec_env, 0, sizeof(app_sec_env));
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}
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/*******************************************************************************
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**
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** Function app_ble_security_start
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**
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** Description This function is called by the slave when the seurity start
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**
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** Returns NULL
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**
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*******************************************************************************/
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void app_ble_security_start(void)
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{
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}
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