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 *
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 * list of conditions and the following disclaimer.
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 * 2. Redistributions in binary form, except as embedded into a Nordic
 *    Semiconductor ASA integrated circuit in a product or a software update for
 *    such product, 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 Nordic Semiconductor ASA nor the names of its
 *    contributors may be used to endorse or promote products derived from this
 *    software without specific prior written permission.
 *
 * 4. This software, with or without modification, must only be used with a
 *    Nordic Semiconductor ASA integrated circuit.
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 * 5. Any software provided in binary form under this license must not be reverse
 *    engineered, decompiled, modified and/or disassembled.
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#include "nrf_mesh_assert.h"
#include "nrf_mesh_utils.h"
#include "rand.h"
#include <string.h>

/*****************************************************************************
* Interface functions
*****************************************************************************/

uint32_t nrf_mesh_rand_get(uint8_t * p_output, uint8_t size)
{
    if (p_output == NULL)
    {
        return NRF_ERROR_NULL;
    }

    rand_hw_rng_get(p_output, size);
    return NRF_SUCCESS;
}

nrf_mesh_address_type_t nrf_mesh_address_type_get(uint16_t address)
{
    if (address == NRF_MESH_ADDR_UNASSIGNED)
    {
        return NRF_MESH_ADDRESS_TYPE_INVALID;
    }
    else
    {
        static const nrf_mesh_address_type_t types_lookup[] =
        {
            NRF_MESH_ADDRESS_TYPE_UNICAST, /* 0b00 */
            NRF_MESH_ADDRESS_TYPE_UNICAST, /* 0b01 */
            NRF_MESH_ADDRESS_TYPE_VIRTUAL, /* 0b10 */
            NRF_MESH_ADDRESS_TYPE_GROUP,   /* 0b11 */
        };
        return types_lookup[(address & NRF_MESH_ADDR_TYPE_BITS_MASK) >> NRF_MESH_ADDR_TYPE_BITS_OFFSET];
    }
}

uint8_t nrf_mesh_gap_address_type_get(uint8_t * p_addr, uint8_t txadd_bit)
{
    uint8_t ble_gap_addr_type;
    if (txadd_bit)
    {
        NRF_MESH_ASSERT(NULL != p_addr);
        switch (p_addr[5] & 0xC0)
        {
            case 0:
                ble_gap_addr_type = BLE_GAP_ADDR_TYPE_RANDOM_PRIVATE_RESOLVABLE;
                break;
            case 0x80:
                ble_gap_addr_type = BLE_GAP_ADDR_TYPE_RANDOM_PRIVATE_NON_RESOLVABLE;
                break;
            case 0xC0:
                ble_gap_addr_type = BLE_GAP_ADDR_TYPE_RANDOM_STATIC;
                break;
            default:
                ble_gap_addr_type = BLE_GAP_ADDR_TYPE_RANDOM_INVALID;
        }
    }
    else
    {
        ble_gap_addr_type = BLE_GAP_ADDR_TYPE_PUBLIC;
    }
    return ble_gap_addr_type;
}
