kopia lustrzana https://github.com/espressif/esp-idf
102 wiersze
2.8 KiB
C
102 wiersze
2.8 KiB
C
// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include <stdlib.h> // standard library
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#include <string.h>
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#include "esp_sec_api.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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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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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(void)
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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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