/**************************************************************************/
/*!
    @file     bonding.h
    @author   hathach (tinyusb.org)

    @section LICENSE

    Software License Agreement (BSD License)

    Copyright (c) 2018, Adafruit Industries (adafruit.com)
    All rights reserved.

    Redistribution and use in source and binary forms, with or without
    modification, are permitted provided that the following conditions are met:
    1. Redistributions of source code must retain the above copyright
    notice, this list of conditions and the following disclaimer.
    2. Redistributions in binary form must reproduce the above copyright
    notice, this list of conditions and the following disclaimer in the
    documentation and/or other materials provided with the distribution.
    3. Neither the name of the copyright holders nor the
    names of its contributors may be used to endorse or promote products
    derived from this software without specific prior written permission.

    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
    EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
    WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
    DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY
    DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
    (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
    LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
    ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
    (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
    SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/**************************************************************************/
#ifndef BONDING_H_
#define BONDING_H_

#include "bluefruit_common.h"

#define BOND_DIR_PRPH     "/adafruit/bond_prph"
#define BOND_DIR_CNTR     "/adafruit/bond_cntr"

#define BOND_FNAME_PRPH   BOND_DIR_PRPH "/%02X%02X%02X%02X%02X%02X"
#define BOND_FNAME_CNTR   BOND_DIR_CNTR "/%02X%02X%02X%02X%02X%02X"

// Shared keys with bonded device, size = 80 bytes
typedef struct
{
  ble_gap_enc_key_t own_enc;
  ble_gap_enc_key_t peer_enc;
  ble_gap_id_key_t  peer_id;
} bond_keys_t;

void bond_init(void);
void bond_clear_prph(void);
void bond_clear_cntr(void);
void bond_clear_all(void);

void bond_remove_key(uint8_t role, ble_gap_addr_t const* id_addr);

bool bond_save_keys (uint8_t role, uint16_t conn_hdl, bond_keys_t const* bkeys);
bool bond_load_keys(uint8_t role, ble_gap_addr_t* peer_addr, bond_keys_t* bkeys);

bool bond_save_cccd (uint8_t role, uint16_t conn_hdl, ble_gap_addr_t const* id_addr);
bool bond_load_cccd (uint8_t role, uint16_t conn_hdl, ble_gap_addr_t const* id_addr);

void bond_print_list(uint8_t role);

#endif /* BONDING_H_ */
