/**
 * Copyright (c) 2016 - 2017, Nordic Semiconductor ASA
 * 
 * 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, 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.
 * 
 * 5. Any software provided in binary form under this license must not be reverse
 *    engineered, decompiled, modified and/or disassembled.
 * 
 * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA 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.
 * 
 */
#include "sdk_common.h"
#if NRF_MODULE_ENABLED(NRF_CRYPTO)

#include "nrf_crypto_hash.h"
#include "nrf_crypto_mem.h"

#if NRF_CRYPTO_BACKEND_CC310_LIB
#include "cc310_lib_hash.h"
#endif

#if NRF_CRYPTO_BACKEND_MICRO_ECC && NRF_CRYPTO_BACKEND_MICRO_ECC_SHA256
#include "nrf_crypto_sw_hash.h"
#endif

uint32_t nrf_crypto_hash_size_get(nrf_hash_type_t hash_type, uint32_t * p_hash_size)
{
    switch (hash_type)
    {
        case NRF_CRYPTO_HASH_TYPE_MD5:
            (*p_hash_size) = NRF_CRYPTO_HASH_SIZE_MD5;
            break;

        case NRF_CRYPTO_HASH_TYPE_SHA1:
            (*p_hash_size) = NRF_CRYPTO_HASH_SIZE_SHA1;
            break;

        case NRF_CRYPTO_HASH_TYPE_SHA224:
            (*p_hash_size) = NRF_CRYPTO_HASH_SIZE_SHA224;
            break;

        case NRF_CRYPTO_HASH_TYPE_SHA256:
            (*p_hash_size) = NRF_CRYPTO_HASH_SIZE_SHA256;
            break;

        case NRF_CRYPTO_HASH_TYPE_SHA384:
            (*p_hash_size) = NRF_CRYPTO_HASH_SIZE_SHA384;
            break;

        case NRF_CRYPTO_HASH_TYPE_SHA512:
            (*p_hash_size) = NRF_CRYPTO_HASH_SIZE_SHA512;
            break;

        default:
            return NRF_ERROR_NOT_SUPPORTED;
    }

    return NRF_SUCCESS;
}


uint32_t nrf_crypto_hash_context_allocate(nrf_crypto_hash_info_t    hash_info,
                                          nrf_value_length_t      * p_hash_context)
{
    uint32_t        ret_val;
    uint32_t        hash_context_size = NRF_CRYPTO_HASH_CONTEXT_SIZE;

    if (p_hash_context == NULL)
    {
        return NRF_ERROR_NULL;
    }

    ret_val = nrf_crypto_mem_allocate(hash_context_size, p_hash_context);
    return ret_val;
}


uint32_t nrf_crypto_hash_context_free(nrf_value_length_t * p_hash_context)
{
    uint32_t        ret_val;

    if (p_hash_context == NULL)
    {
        return NRF_ERROR_NULL;
    }

    ret_val = nrf_crypto_mem_free(p_hash_context);
    return ret_val;
}


uint32_t nrf_crypto_hash_allocate(nrf_crypto_hash_info_t        hash_info,
                                  nrf_value_length_t          * p_hash,
                                  nrf_value_length_t    const * p_raw_hash)
{
    uint32_t        ret_val;
    uint32_t        hash_size;

    if (p_hash == NULL)
    {
        return NRF_ERROR_NULL;
    }

    ret_val = nrf_crypto_hash_size_get(hash_info.hash_type, &hash_size);
    if (ret_val != NRF_SUCCESS)
    {
        return ret_val;
    }

    ret_val = nrf_crypto_mem_allocate(hash_size, p_hash);
    if (ret_val == NRF_SUCCESS)
    {
        return ret_val;
    }

    return ret_val;

}


uint32_t nrf_crypto_hash_free(nrf_value_length_t * p_hash)
{
    uint32_t ret_val;

    if (p_hash == NULL)
    {
        return NRF_ERROR_NULL;
    }

    ret_val = nrf_crypto_mem_free(p_hash);
    return ret_val;
}

#endif // NRF_MODULE_ENABLED(NRF_CRYPTO)
