xref: /btstack/src/mesh/mesh_crypto.h (revision 2fca4dad957cd7b88f4657ed51e89c12615dda72)

/*
 * Copyright (C) 2017 BlueKitchen GmbH
 *
 * 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
 *    contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 * 4. Any redistribution, use, or modification is done solely for
 *    personal benefit and not for any commercial purpose or for
 *    monetary gain.
 *
 * THIS SOFTWARE IS PROVIDED BY BLUEKITCHEN GMBH AND CONTRIBUTORS
 * ``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 BLUEKITCHEN
 * GMBH OR CONTRIBUTORS 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.
 *
 * Please inquire about commercial licensing options at
 * [email protected]
 *
 */

/*
 *  provisioning.h
 */

#ifndef __MESH_CRYPTO_H
#define __MESH_CRYPTO_H

#include <stdint.h>

#include "btstack_defines.h"
#include "btstack_crypto.h"

#include "mesh/mesh_keys.h"

#ifdef __cplusplus
extern "C"
{
#endif

/**
 * Calculate mesh k1 function
 */
void mesh_k1(btstack_crypto_aes128_cmac_t * request, const uint8_t * n, uint16_t n_len, const uint8_t * salt,
    const uint8_t * p, const uint16_t p_len, uint8_t * result, void (* callback)(void * arg), void * callback_arg);

/**
 * Calculate mesh k2 function
 * @param result 33 bytes (7 bit NID + 16 byte Encryption Key + 16 byte Privacy Key)
 */
void mesh_k2(btstack_crypto_aes128_cmac_t * request, const uint8_t * n, uint8_t * result, void (* callback)(void * arg), void * callback_arg);

/**
 * Calculate mesh k3 function
 */
void mesh_k3(btstack_crypto_aes128_cmac_t * request, const uint8_t * n, uint8_t * result, void (* callback)(void * arg), void * callback_arg);

/**
 * Calculate mesh k4 function
 */
void mesh_k4(btstack_crypto_aes128_cmac_t * request, const uint8_t * n, uint8_t * result, void (* callback)(void * arg), void * callback_arg);

/**
 * Calculate mesh virtual address hash
 * @param request
 * @param label_uuid
 * @param addr
 * @param callback
 * @param callback_arg
 */
void mesh_virtual_address(btstack_crypto_aes128_cmac_t * request, const uint8_t * label_uuid, uint16_t * addr, void (* callback)(void * arg), void * callback_arg);

/**
 * Derive security material from netkey
 * @param request
 * @param network_key
 * @param callback
 * @param callback_arg
 */
void mesh_network_key_derive(btstack_crypto_aes128_cmac_t * request, mesh_network_key_t * network_key, void (* callback)(void * arg), void * callback_arg);

/**
 * Calc AID from AppKey
 * @param request
 * @param transport_key
 * @param callback
 * @param callback_arg
 */
void mesh_transport_key_calc_aid(btstack_crypto_aes128_cmac_t * request, mesh_transport_key_t * app_key, void (* callback)(void * arg), void * callback_arg);


#ifdef __cplusplus
} /* end of extern "C" */
#endif

#endif