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HL-PDJ-1/components/libraries/crypto/backend/cc310/cc310_backend_aes.c

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初始版本
2025-08-19 09:49:41 +08:00
/**
* Copyright (c) 2018 - 2020, 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"
#include <drivers/nrfx_common.h>
#if NRF_MODULE_ENABLED(NRF_CRYPTO)
#include <stdbool.h>
#include "ssi_aes_error.h"
#include "cc310_backend_aes.h"
#include "cc310_backend_mutex.h"
#include "cc310_backend_shared.h"
#if NRF_MODULE_ENABLED(NRF_CRYPTO_CC310_AES)
/**@internal @brief Type declarations of templates matching all possible context sizes
* for this backend.
*/
typedef struct
{
nrf_crypto_aes_internal_context_t header; /**< Common header for context. */
SaSiAesUserContext_t context; /**< AES context internal to mbed TLS. */
nrf_crypto_backend_aes_ctx_t backend; /**< Backend-specific internal context. */
} nrf_crypto_backend_cc310_aes_any_context_t;
/**@internal @brief Type declarations of templates matching all possible context sizes
* for this backend.
*/
typedef union
{
nrf_crypto_backend_cc310_aes_any_context_t any; /**< Common for all contexts. */
#if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_CC310_AES_ECB)
nrf_crypto_backend_aes_ecb_context_t ecb;
#endif
#if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_CC310_AES_CBC)
nrf_crypto_backend_aes_cbc_context_t cbc;
#endif
#if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_CC310_AES_CTR)
nrf_crypto_backend_aes_ctr_context_t ctr;
#endif
#if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_CC310_AES_CBC_MAC)
nrf_crypto_backend_aes_cbc_mac_context_t cbc_mac;
#endif
#if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_CC310_AES_CMAC)
nrf_crypto_backend_aes_cmac_context_t cmac;
#endif
} nrf_crypto_backend_cc310_aes_context_t;
static ret_code_t result_get(SaSiError_t error)
{
ret_code_t ret_val;
switch (error)
{
case SASI_SUCCESS:
ret_val = NRF_SUCCESS;
break;
case SASI_AES_INVALID_USER_CONTEXT_POINTER_ERROR:
ret_val = NRF_ERROR_CRYPTO_CONTEXT_NULL;
break;
case SASI_AES_ILLEGAL_KEY_SIZE_ERROR:
case SASI_AES_DATA_IN_SIZE_ILLEGAL:
case SASI_AES_DATA_IN_BUFFER_SIZE_ERROR:
ret_val = NRF_ERROR_CRYPTO_INPUT_LENGTH;
break;
case SASI_AES_INVALID_IV_OR_TWEAK_PTR_ERROR:
case SASI_AES_INVALID_KEY_POINTER_ERROR:
case SASI_AES_DATA_IN_POINTER_INVALID_ERROR:
ret_val = NRF_ERROR_CRYPTO_INPUT_NULL;
break;
case SASI_AES_ILLEGAL_OPERATION_MODE_ERROR:
case SASI_AES_KEY_TYPE_NOT_SUPPORTED_ERROR:
case SASI_AES_INVALID_ENCRYPT_MODE_ERROR:
case SASI_AES_ILLEGAL_PADDING_TYPE_ERROR:
case SASI_AES_INCORRECT_PADDING_ERROR:
case SASI_AES_DECRYPTION_NOT_ALLOWED_ON_THIS_MODE:
case SASI_AES_ADDITIONAL_BLOCK_NOT_PERMITTED_ERROR:
case SASI_AES_IS_NOT_SUPPORTED:
ret_val = NRF_ERROR_CRYPTO_FEATURE_UNAVAILABLE;
break;
case SASI_AES_DATA_OUT_BUFFER_SIZE_ERROR:
ret_val = NRF_ERROR_CRYPTO_OUTPUT_LENGTH;
break;
case SASI_AES_DATA_OUT_POINTER_INVALID_ERROR:
case SASI_AES_DATA_OUT_SIZE_POINTER_INVALID_ERROR:
ret_val = NRF_ERROR_CRYPTO_OUTPUT_NULL;
break;
case SASI_AES_CTX_SIZES_ERROR:
default:
ret_val = NRF_ERROR_CRYPTO_INTERNAL;
break;
}
return ret_val;
}
static ret_code_t params_validate(nrf_crypto_backend_cc310_aes_context_t const * const p_ctx,
SaSiAesOperationMode_t * p_mode,
nrf_crypto_operation_t operation)
{
ret_code_t ret_val = NRF_SUCCESS;
switch (p_ctx->any.header.p_info->mode)
{
#if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_CC310_AES_ECB)
case NRF_CRYPTO_AES_MODE_ECB:
case NRF_CRYPTO_AES_MODE_ECB_PAD_PCKS7:
*p_mode = SASI_AES_MODE_ECB;
break;
#endif
#if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_CC310_AES_CBC)
case NRF_CRYPTO_AES_MODE_CBC:
case NRF_CRYPTO_AES_MODE_CBC_PAD_PCKS7:
*p_mode = SASI_AES_MODE_CBC;
break;
#endif
#if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_CC310_AES_CTR)
case NRF_CRYPTO_AES_MODE_CTR:
*p_mode = SASI_AES_MODE_CTR;
break;
#endif
#if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_CC310_AES_CBC_MAC)
case NRF_CRYPTO_AES_MODE_CBC_MAC:
case NRF_CRYPTO_AES_MODE_CBC_MAC_PAD_PCKS7:
*p_mode = SASI_AES_MODE_CBC_MAC;
VERIFY_TRUE((operation == NRF_CRYPTO_MAC_CALCULATE), NRF_ERROR_CRYPTO_INVALID_PARAM);
break;
#endif
#if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_CC310_AES_CMAC)
case NRF_CRYPTO_AES_MODE_CMAC:
*p_mode = SASI_AES_MODE_CMAC;
VERIFY_TRUE((operation == NRF_CRYPTO_MAC_CALCULATE), NRF_ERROR_CRYPTO_INVALID_PARAM);
break;
#endif
default:
ret_val = NRF_ERROR_CRYPTO_FEATURE_UNAVAILABLE;
break;
}
return ret_val;
}
static ret_code_t backend_cc310_init(void * const p_context, nrf_crypto_operation_t operation)
{
SaSiError_t result;
ret_code_t ret_val;
bool mutex_locked;
SaSiAesOperationMode_t mode;
SaSiAesEncryptMode_t operation_cc310;
nrf_crypto_backend_cc310_aes_context_t * p_ctx =
(nrf_crypto_backend_cc310_aes_context_t *)p_context;
mutex_locked = cc310_backend_mutex_trylock();
VERIFY_TRUE(mutex_locked, NRF_ERROR_CRYPTO_BUSY);
if (!nrfx_is_in_ram(&p_ctx->any.context))
{
ret_val = NRF_ERROR_CRYPTO_INPUT_LOCATION;
goto exit;
}
if (p_ctx->any.header.p_info->key_size != NRF_CRYPTO_KEY_SIZE_128)
{
ret_val = NRF_ERROR_CRYPTO_KEY_SIZE;
goto exit;
}
ret_val = params_validate(p_ctx, &mode, operation);
if (ret_val != NRF_SUCCESS)
{
goto exit;
}
if (operation == NRF_CRYPTO_DECRYPT)
{
operation_cc310 = SASI_AES_DECRYPT;
}
else if ((operation == NRF_CRYPTO_ENCRYPT) || (operation == NRF_CRYPTO_MAC_CALCULATE))
{
operation_cc310 = SASI_AES_ENCRYPT;
}
else
{
ret_val = NRF_ERROR_CRYPTO_INVALID_PARAM;
goto exit;
}
p_ctx->any.backend.operation = operation;
result = SaSi_AesInit(&p_ctx->any.context,
operation_cc310,
mode,
SASI_AES_PADDING_NONE); /* CC310 does not support padding */
ret_val = result_get(result);
exit:
cc310_backend_mutex_unlock();
return ret_val;
}
static ret_code_t backend_cc310_uninit(void * const p_context)
{
SaSiError_t result;
ret_code_t ret_val;
nrf_crypto_backend_cc310_aes_context_t * p_ctx =
(nrf_crypto_backend_cc310_aes_context_t *)p_context;
bool mutex_locked = cc310_backend_mutex_trylock();
VERIFY_TRUE(mutex_locked, NRF_ERROR_CRYPTO_BUSY);
result = SaSi_AesFree(&p_ctx->any.context);
ret_val = result_get(result);
cc310_backend_mutex_unlock();
return ret_val;
}
static ret_code_t backend_cc310_key_set(void * const p_context, uint8_t * p_key)
{
SaSiError_t result;
ret_code_t ret_val;
bool mutex_locked;
SaSiAesUserKeyData_t key_data;
nrf_crypto_backend_cc310_aes_context_t * p_ctx =
(nrf_crypto_backend_cc310_aes_context_t *)p_context;
mutex_locked = cc310_backend_mutex_trylock();
VERIFY_TRUE(mutex_locked, NRF_ERROR_CRYPTO_BUSY);
if (!nrfx_is_in_ram(p_key))
{
ret_val = NRF_ERROR_CRYPTO_INPUT_LOCATION;
goto exit;
}
key_data.pKey = p_key;
key_data.keySize = (p_ctx->any.header.p_info->key_size) >> 3; // change bits to bytes
result = SaSi_AesSetKey(&p_ctx->any.context,
SASI_AES_USER_KEY,
&key_data,
sizeof(key_data));
ret_val = result_get(result);
exit:
cc310_backend_mutex_unlock();
return ret_val;
}
#if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_CC310_AES_CBC) || \
NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_CC310_AES_CTR) || \
NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_CC310_AES_CBC_MAC)
static ret_code_t backend_cc310_iv_set(void * const p_context, uint8_t * p_iv)
{
SaSiError_t result;
ret_code_t ret_val;
bool mutex_locked;
nrf_crypto_backend_cc310_aes_context_t * p_ctx =
(nrf_crypto_backend_cc310_aes_context_t *)p_context;
mutex_locked = cc310_backend_mutex_trylock();
VERIFY_TRUE(mutex_locked, NRF_ERROR_CRYPTO_BUSY);
if (!nrfx_is_in_ram(p_iv))
{
ret_val = NRF_ERROR_CRYPTO_INPUT_LOCATION;
goto exit;
}
result = SaSi_AesSetIv(&p_ctx->any.context, p_iv);
ret_val = result_get(result);
exit:
cc310_backend_mutex_unlock();
return ret_val;
}
static ret_code_t backend_cc310_iv_get(void * const p_context, uint8_t * p_iv)
{
SaSiError_t result;
ret_code_t ret_val = NRF_ERROR_CRYPTO_INTERNAL;
bool mutex_locked;
nrf_crypto_backend_cc310_aes_context_t * p_ctx =
(nrf_crypto_backend_cc310_aes_context_t *)p_context;
mutex_locked = cc310_backend_mutex_trylock();
VERIFY_TRUE(mutex_locked, NRF_ERROR_CRYPTO_BUSY);
if (!nrfx_is_in_ram(p_iv))
{
ret_val = NRF_ERROR_CRYPTO_INPUT_LOCATION;
goto exit;
}
result = SaSi_AesGetIv(&p_ctx->any.context, p_iv);
/* Below code allows to read IV after calling nrf_crypto_aes_finalize */
if (result == SASI_AES_ILLEGAL_OPERATION_MODE_ERROR)
{
if (p_ctx->any.header.init_value == NRF_CRYPTO_AES_UNINIT_MAGIC_VALUE)
{
memcpy(p_iv, p_ctx->any.backend.iv, NRF_CRYPTO_MBEDTLS_AES_IV_SIZE);
ret_val = NRF_SUCCESS;
}
}
else
{
ret_val = result_get(result);
}
exit:
cc310_backend_mutex_unlock();
return ret_val;
}
#endif
static ret_code_t backend_cc310_update(void * const p_context,
uint8_t * p_data_in,
size_t data_size,
uint8_t * p_data_out)
{
SaSiError_t result;
ret_code_t ret_val;
bool mutex_locked;
size_t size;
size_t offset = 0;
nrf_crypto_backend_cc310_aes_context_t * p_ctx =
(nrf_crypto_backend_cc310_aes_context_t *)p_context;
mutex_locked = cc310_backend_mutex_trylock();
VERIFY_TRUE(mutex_locked, NRF_ERROR_CRYPTO_BUSY);
if (!nrfx_is_in_ram(p_data_in) || !nrfx_is_in_ram(p_data_out))
{
ret_val = NRF_ERROR_CRYPTO_INPUT_LOCATION;
goto exit;
}
do
{
/* CC310 allows only 64kB blocks, operation must be devided */
if (data_size > CC310_MAX_LENGTH_DMA_AES_OPERATIONS)
{
size = CC310_MAX_LENGTH_DMA_AES_OPERATIONS;
data_size -= CC310_MAX_LENGTH_DMA_AES_OPERATIONS;
}
else
{
size = data_size;
data_size = 0;
}
if (p_ctx->any.backend.operation == NRF_CRYPTO_MAC_CALCULATE)
{
result = SaSi_AesBlock(&p_ctx->any.context,
p_data_in + offset,
size,
p_data_out);
}
else
{
result = SaSi_AesBlock(&p_ctx->any.context,
p_data_in + offset,
size,
p_data_out + offset);
}
offset += size;
ret_val = result_get(result);
} while ((data_size > 0) && (ret_val == NRF_SUCCESS));
exit:
cc310_backend_mutex_unlock();
return ret_val;
}
static ret_code_t backend_cc310_finalize(void * const p_context,
uint8_t * p_data_in,
size_t data_size,
uint8_t * p_data_out,
size_t * p_data_out_size)
{
SaSiError_t result;
ret_code_t ret_val;
bool mutex_locked;
size_t size;
size_t offset = 0;
nrf_crypto_backend_cc310_aes_context_t * p_ctx =
(nrf_crypto_backend_cc310_aes_context_t *)p_context;
mutex_locked = cc310_backend_mutex_trylock();
VERIFY_TRUE(mutex_locked, NRF_ERROR_CRYPTO_BUSY);
if (*p_data_out_size < data_size)
{
ret_val = NRF_ERROR_CRYPTO_OUTPUT_LENGTH;
goto exit;
}
/* This function does not support padding */
if (((data_size & 0xF) != 0) &&
(p_ctx->any.header.p_info->mode != NRF_CRYPTO_AES_MODE_CTR))
{
ret_val = NRF_ERROR_CRYPTO_INPUT_LENGTH;
goto exit;
}
if (!nrfx_is_in_ram(p_data_in) || !nrfx_is_in_ram(p_data_out))
{
ret_val = NRF_ERROR_CRYPTO_INPUT_LOCATION;
goto exit;
}
/* CC310 allows only 64kB blocks, operation must be devided */
while (data_size > CC310_MAX_LENGTH_DMA_AES_OPERATIONS)
{
size = CC310_MAX_LENGTH_DMA_AES_OPERATIONS;
data_size -= CC310_MAX_LENGTH_DMA_AES_OPERATIONS;
result = SaSi_AesBlock(&p_ctx->any.context,
p_data_in + offset,
size,
p_data_out + offset);
offset += size;
ret_val = result_get(result);
if (ret_val != NRF_SUCCESS)
{
goto exit;
}
}
/* Calculate space in the output buffer */
*p_data_out_size -= offset;
result = SaSi_AesFinish(&p_ctx->any.context,
data_size,
p_data_in + offset,
data_size,
p_data_out + offset,
p_data_out_size);
ret_val = result_get(result);
if (ret_val == NRF_SUCCESS)
{
/* update information about size of encrypted data */
*p_data_out_size += offset;
}
/* Store IV value in case it will be needed after finalize operation */
if ((p_ctx->any.header.p_info->mode == NRF_CRYPTO_AES_MODE_CBC) ||
(p_ctx->any.header.p_info->mode == NRF_CRYPTO_AES_MODE_CTR))
{
result = SaSi_AesGetIv(&p_ctx->any.context, &p_ctx->any.backend.iv[0]);
ret_val = result_get(result);
}
exit:
cc310_backend_mutex_unlock();
return ret_val;
}
#if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_CC310_AES_CMAC) || \
NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_CC310_AES_CBC_MAC)
static ret_code_t backend_cc310_mac_finalize(void * const p_context,
uint8_t * p_data_in,
size_t data_size,
uint8_t * p_data_out,
size_t * p_data_out_size)
{
SaSiError_t result;
ret_code_t ret_val;
bool mutex_locked;
size_t size;
size_t offset = 0;
nrf_crypto_backend_cc310_aes_context_t * p_ctx =
(nrf_crypto_backend_cc310_aes_context_t *)p_context;
mutex_locked = cc310_backend_mutex_trylock();
VERIFY_TRUE(mutex_locked, NRF_ERROR_CRYPTO_BUSY);
if (*p_data_out_size < NRF_CRYPTO_AES_BLOCK_SIZE)
{
ret_val = NRF_ERROR_CRYPTO_OUTPUT_LENGTH;
goto exit;
}
if (!nrfx_is_in_ram(p_data_in) || !nrfx_is_in_ram(p_data_out))
{
ret_val = NRF_ERROR_CRYPTO_INPUT_LOCATION;
goto exit;
}
/* This function does not support padding for CBC-MAC */
if (((data_size & 0xF) != 0) &&
(NRF_CRYPTO_AES_MODE_CBC_MAC == p_ctx->any.header.p_info->mode))
{
ret_val = NRF_ERROR_CRYPTO_INPUT_LENGTH;
goto exit;
}
/* CC310 allows only 64kB blocks, operation must be devided */
while (data_size > CC310_MAX_LENGTH_DMA_AES_OPERATIONS)
{
size = CC310_MAX_LENGTH_DMA_AES_OPERATIONS;
data_size -= CC310_MAX_LENGTH_DMA_AES_OPERATIONS;
result = SaSi_AesBlock(&p_ctx->any.context,
p_data_in + offset,
size,
p_data_out);
offset += size;
ret_val = result_get(result);
if (ret_val != NRF_SUCCESS)
{
goto exit;
}
}
result = SaSi_AesFinish(&p_ctx->any.context,
data_size,
p_data_in + offset,
data_size,
p_data_out,
p_data_out_size);
ret_val = result_get(result);
if (ret_val == NRF_SUCCESS)
{
/* update information about size of encrypted data */
*p_data_out_size = NRF_CRYPTO_AES_BLOCK_SIZE;
}
/* Store IV value in case it will be needed after finalize operation */
if (p_ctx->any.header.p_info->mode == NRF_CRYPTO_AES_MODE_CBC_MAC_PAD_PCKS7)
{
result = SaSi_AesGetIv(&p_ctx->any.context, &p_ctx->any.backend.iv[0]);
ret_val = result_get(result);
}
exit:
cc310_backend_mutex_unlock();
return ret_val;
}
#endif
#if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_CC310_AES_CBC_MAC)
static ret_code_t backend_cc310_cbc_mac_padding_finalize(void * const p_context,
uint8_t * p_data_in,
size_t data_size,
uint8_t * p_data_out,
size_t * p_data_out_size)
{
ret_code_t ret_val;
uint8_t padding_buffer[NRF_CRYPTO_AES_BLOCK_SIZE] = {0};
uint8_t msg_ending = (uint8_t)(data_size & (size_t)0x0F);
if (*p_data_out_size < NRF_CRYPTO_AES_BLOCK_SIZE)
{
/* output buffer too small */
return NRF_ERROR_CRYPTO_OUTPUT_LENGTH;
}
data_size -= msg_ending;
if (data_size > 0)
{
ret_val = backend_cc310_update(p_context,
p_data_in,
data_size,
p_data_out);
VERIFY_SUCCESS(ret_val);
}
ret_val = padding_pkcs7_add(&padding_buffer[0],
p_data_in + data_size,
msg_ending);
VERIFY_SUCCESS(ret_val);
ret_val = backend_cc310_mac_finalize(p_context,
&padding_buffer[0],
NRF_CRYPTO_AES_BLOCK_SIZE,
p_data_out,
p_data_out_size);
VERIFY_SUCCESS(ret_val);
return ret_val;
}
#endif
#if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_CC310_AES_CBC) || \
NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_CC310_AES_ECB)
static ret_code_t backend_cc310_padding_finalize(void * const p_context,
uint8_t * p_data_in,
size_t data_size,
uint8_t * p_data_out,
size_t * p_data_out_size)
{
SaSiError_t result;
ret_code_t ret_val;
uint8_t padding_buffer[NRF_CRYPTO_AES_BLOCK_SIZE] = {0};
uint8_t msg_ending = (uint8_t)(data_size & (size_t)0x0F);
size_t buff_out_size;
nrf_crypto_backend_cc310_aes_context_t * p_ctx =
(nrf_crypto_backend_cc310_aes_context_t *)p_context;
if (p_ctx->any.backend.operation == NRF_CRYPTO_DECRYPT)
{
ret_val = backend_cc310_finalize(p_context,
p_data_in,
data_size,
p_data_out,
p_data_out_size);
VERIFY_SUCCESS(ret_val);
ret_val = padding_pkcs7_remove(p_data_out,
p_data_out_size);
return ret_val;
}
/* -------------- ENCRYPTION --------------*/
data_size -= msg_ending;
if (*p_data_out_size < (data_size + NRF_CRYPTO_AES_BLOCK_SIZE))
{
/* no space for padding */
return NRF_ERROR_CRYPTO_OUTPUT_LENGTH;
}
if (data_size > 0)
{
ret_val = backend_cc310_update(p_context,
p_data_in,
data_size,
p_data_out);
VERIFY_SUCCESS(ret_val);
}
ret_val = padding_pkcs7_add(&padding_buffer[0],
p_data_in + data_size,
msg_ending);
VERIFY_SUCCESS(ret_val);
buff_out_size = *p_data_out_size - data_size;
ret_val = backend_cc310_finalize(p_context,
&padding_buffer[0],
NRF_CRYPTO_AES_BLOCK_SIZE,
p_data_out + data_size,
&buff_out_size);
VERIFY_SUCCESS(ret_val);
*p_data_out_size = buff_out_size + data_size;
/* Store IV value in case it will be needed after finalize operation */
if (p_ctx->any.header.p_info->mode == NRF_CRYPTO_AES_MODE_CBC_PAD_PCKS7)
{
result = SaSi_AesGetIv(&p_ctx->any.context, &p_ctx->any.backend.iv[0]);
ret_val = result_get(result);
}
return ret_val;
}
#endif
#if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_CC310_AES_CBC)
nrf_crypto_aes_info_t const g_nrf_crypto_aes_cbc_128_info =
{
.mode = NRF_CRYPTO_AES_MODE_CBC,
.key_size = NRF_CRYPTO_KEY_SIZE_128,
.context_size = sizeof(nrf_crypto_backend_aes_cbc_context_t),
.init_fn = backend_cc310_init,
.uninit_fn = backend_cc310_uninit,
.key_set_fn = backend_cc310_key_set,
.iv_set_fn = backend_cc310_iv_set,
.iv_get_fn = backend_cc310_iv_get,
.update_fn = backend_cc310_update,
.finalize_fn = backend_cc310_finalize
};
nrf_crypto_aes_info_t const g_nrf_crypto_aes_cbc_128_pad_pkcs7_info =
{
.mode = NRF_CRYPTO_AES_MODE_CBC_PAD_PCKS7,
.key_size = NRF_CRYPTO_KEY_SIZE_128,
.context_size = sizeof(nrf_crypto_backend_aes_cbc_context_t),
.init_fn = backend_cc310_init,
.uninit_fn = backend_cc310_uninit,
.key_set_fn = backend_cc310_key_set,
.iv_set_fn = backend_cc310_iv_set,
.iv_get_fn = backend_cc310_iv_get,
.update_fn = backend_cc310_update,
.finalize_fn = backend_cc310_padding_finalize
};
#endif
#if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_CC310_AES_CTR)
nrf_crypto_aes_info_t const g_nrf_crypto_aes_ctr_128_info =
{
.mode = NRF_CRYPTO_AES_MODE_CTR,
.key_size = NRF_CRYPTO_KEY_SIZE_128,
.context_size = sizeof(nrf_crypto_backend_aes_ctr_context_t),
.init_fn = backend_cc310_init,
.uninit_fn = backend_cc310_uninit,
.key_set_fn = backend_cc310_key_set,
.iv_set_fn = backend_cc310_iv_set,
.iv_get_fn = backend_cc310_iv_get,
.update_fn = backend_cc310_update,
.finalize_fn = backend_cc310_finalize
};
#endif
#if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_CC310_AES_ECB)
nrf_crypto_aes_info_t const g_nrf_crypto_aes_ecb_128_info =
{
.mode = NRF_CRYPTO_AES_MODE_ECB,
.key_size = NRF_CRYPTO_KEY_SIZE_128,
.context_size = sizeof(nrf_crypto_backend_aes_ecb_context_t),
.init_fn = backend_cc310_init,
.uninit_fn = backend_cc310_uninit,
.key_set_fn = backend_cc310_key_set,
.iv_set_fn = NULL,
.iv_get_fn = NULL,
.update_fn = backend_cc310_update,
.finalize_fn = backend_cc310_finalize
};
nrf_crypto_aes_info_t const g_nrf_crypto_aes_ecb_128_pad_pkcs7_info =
{
.mode = NRF_CRYPTO_AES_MODE_ECB_PAD_PCKS7,
.key_size = NRF_CRYPTO_KEY_SIZE_128,
.context_size = sizeof(nrf_crypto_backend_aes_ecb_context_t),
.init_fn = backend_cc310_init,
.uninit_fn = backend_cc310_uninit,
.key_set_fn = backend_cc310_key_set,
.iv_set_fn = NULL,
.iv_get_fn = NULL,
.update_fn = backend_cc310_update,
.finalize_fn = backend_cc310_padding_finalize
};
#endif
#if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_CC310_AES_CBC_MAC)
nrf_crypto_aes_info_t const g_nrf_crypto_aes_cbc_mac_128_info =
{
.mode = NRF_CRYPTO_AES_MODE_CBC_MAC,
.key_size = NRF_CRYPTO_KEY_SIZE_128,
.context_size = sizeof(nrf_crypto_backend_aes_cbc_mac_context_t),
.init_fn = backend_cc310_init,
.uninit_fn = backend_cc310_uninit,
.key_set_fn = backend_cc310_key_set,
.iv_set_fn = backend_cc310_iv_set,
.iv_get_fn = backend_cc310_iv_get,
.update_fn = backend_cc310_update,
.finalize_fn = backend_cc310_mac_finalize
};
nrf_crypto_aes_info_t const g_nrf_crypto_aes_cbc_mac_128_pad_pkcs7_info =
{
.mode = NRF_CRYPTO_AES_MODE_CBC_MAC_PAD_PCKS7,
.key_size = NRF_CRYPTO_KEY_SIZE_128,
.context_size = sizeof(nrf_crypto_backend_aes_cbc_mac_context_t),
.init_fn = backend_cc310_init,
.uninit_fn = backend_cc310_uninit,
.key_set_fn = backend_cc310_key_set,
.iv_set_fn = backend_cc310_iv_set,
.iv_get_fn = backend_cc310_iv_get,
.update_fn = backend_cc310_update,
.finalize_fn = backend_cc310_cbc_mac_padding_finalize
};
#endif
#if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_CC310_AES_CMAC)
nrf_crypto_aes_info_t const g_nrf_crypto_aes_cmac_128_info =
{
.mode = NRF_CRYPTO_AES_MODE_CMAC,
.key_size = NRF_CRYPTO_KEY_SIZE_128,
.context_size = sizeof(nrf_crypto_backend_aes_cmac_context_t),
.init_fn = backend_cc310_init,
.uninit_fn = backend_cc310_uninit,
.key_set_fn = backend_cc310_key_set,
.iv_set_fn = NULL,
.iv_get_fn = NULL,
.update_fn = backend_cc310_update,
.finalize_fn = backend_cc310_mac_finalize
};
#endif
#endif // NRF_MODULE_ENABLED(NRF_CRYPTO_AES_BACKEND_CC310)
#endif // NRF_MODULE_ENABLED(NRF_CRYPTO)
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