105 lines
2.5 KiB
C++
105 lines
2.5 KiB
C++
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/*
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* BLESecurity.cpp
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*
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* Created on: Dec 17, 2017
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* Author: chegewara
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*/
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#include "BLESecurity.h"
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#include "sdkconfig.h"
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#if defined(CONFIG_BT_ENABLED)
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BLESecurity::BLESecurity() {
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}
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BLESecurity::~BLESecurity() {
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}
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/*
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* @brief Set requested authentication mode
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*/
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void BLESecurity::setAuthenticationMode(esp_ble_auth_req_t auth_req) {
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m_authReq = auth_req;
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esp_ble_gap_set_security_param(ESP_BLE_SM_AUTHEN_REQ_MODE, &m_authReq, sizeof(uint8_t)); // <--- setup requested authentication mode
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}
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/**
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* @brief Set our device IO capability to let end user perform authorization
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* either by displaying or entering generated 6-digits pin code
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*/
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void BLESecurity::setCapability(esp_ble_io_cap_t iocap) {
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m_iocap = iocap;
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esp_ble_gap_set_security_param(ESP_BLE_SM_IOCAP_MODE, &iocap, sizeof(uint8_t));
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} // setCapability
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/**
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* @brief Init encryption key by server
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* @param key_size is value between 7 and 16
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*/
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void BLESecurity::setInitEncryptionKey(uint8_t init_key) {
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m_initKey = init_key;
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esp_ble_gap_set_security_param(ESP_BLE_SM_SET_INIT_KEY, &m_initKey, sizeof(uint8_t));
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} // setInitEncryptionKey
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/**
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* @brief Init encryption key by client
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* @param key_size is value between 7 and 16
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*/
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void BLESecurity::setRespEncryptionKey(uint8_t resp_key) {
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m_respKey = resp_key;
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esp_ble_gap_set_security_param(ESP_BLE_SM_SET_RSP_KEY, &m_respKey, sizeof(uint8_t));
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} // setRespEncryptionKey
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/**
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*
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*
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*/
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void BLESecurity::setKeySize(uint8_t key_size) {
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m_keySize = key_size;
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esp_ble_gap_set_security_param(ESP_BLE_SM_MAX_KEY_SIZE, &m_keySize, sizeof(uint8_t));
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} //setKeySize
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/**
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* @brief Debug function to display what keys are exchanged by peers
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*/
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char* BLESecurity::esp_key_type_to_str(esp_ble_key_type_t key_type) {
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char* key_str = nullptr;
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switch (key_type) {
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case ESP_LE_KEY_NONE:
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key_str = (char*) "ESP_LE_KEY_NONE";
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break;
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case ESP_LE_KEY_PENC:
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key_str = (char*) "ESP_LE_KEY_PENC";
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break;
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case ESP_LE_KEY_PID:
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key_str = (char*) "ESP_LE_KEY_PID";
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break;
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case ESP_LE_KEY_PCSRK:
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key_str = (char*) "ESP_LE_KEY_PCSRK";
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break;
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case ESP_LE_KEY_PLK:
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key_str = (char*) "ESP_LE_KEY_PLK";
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break;
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case ESP_LE_KEY_LLK:
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key_str = (char*) "ESP_LE_KEY_LLK";
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break;
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case ESP_LE_KEY_LENC:
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key_str = (char*) "ESP_LE_KEY_LENC";
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break;
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case ESP_LE_KEY_LID:
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key_str = (char*) "ESP_LE_KEY_LID";
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break;
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case ESP_LE_KEY_LCSRK:
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key_str = (char*) "ESP_LE_KEY_LCSRK";
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break;
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default:
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key_str = (char*) "INVALID BLE KEY TYPE";
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break;
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}
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return key_str;
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} // esp_key_type_to_str
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#endif // CONFIG_BT_ENABLED
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