/*
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* BLESecurity.h
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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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#ifndef COMPONENTS_CPP_UTILS_BLESECURITY_H_
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#define COMPONENTS_CPP_UTILS_BLESECURITY_H_
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#include "sdkconfig.h"
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#if defined(CONFIG_BT_ENABLED)
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#include <esp_gap_ble_api.h>
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class BLESecurity {
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public:
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BLESecurity();
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virtual ~BLESecurity();
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void setAuthenticationMode(esp_ble_auth_req_t auth_req);
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void setCapability(esp_ble_io_cap_t iocap);
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void setInitEncryptionKey(uint8_t init_key);
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void setRespEncryptionKey(uint8_t resp_key);
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void setKeySize(uint8_t key_size = 16);
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static char* esp_key_type_to_str(esp_ble_key_type_t key_type);
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private:
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esp_ble_auth_req_t m_authReq;
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esp_ble_io_cap_t m_iocap;
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uint8_t m_initKey;
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uint8_t m_respKey;
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uint8_t m_keySize;
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}; // BLESecurity
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/*
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* @brief Callbacks to handle GAP events related to authorization
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*/
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class BLESecurityCallbacks {
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public:
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virtual ~BLESecurityCallbacks() {};
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/**
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* @brief Its request from peer device to input authentication pin code displayed on peer device.
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* It requires that our device is capable to input 6-digits code by end user
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* @return Return 6-digits integer value from input device
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*/
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virtual uint32_t onPassKeyRequest() = 0;
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/**
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* @brief Provide us 6-digits code to perform authentication.
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* It requires that our device is capable to display this code to end user
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* @param
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*/
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virtual void onPassKeyNotify(uint32_t pass_key) = 0;
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/**
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* @brief Here we can make decision if we want to let negotiate authorization with peer device or not
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* return Return true if we accept this peer device request
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*/
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virtual bool onSecurityRequest() = 0 ;
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/**
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* Provide us information when authentication process is completed
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*/
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virtual void onAuthenticationComplete(esp_ble_auth_cmpl_t) = 0;
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virtual bool onConfirmPIN(uint32_t pin) = 0;
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}; // BLESecurityCallbacks
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#endif // CONFIG_BT_ENABLED
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#endif // COMPONENTS_CPP_UTILS_BLESECURITY_H_
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