1214 lines
42 KiB
C
1214 lines
42 KiB
C
/**
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* Copyright (c) 2018 - 2020, Nordic Semiconductor ASA
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*
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form, except as embedded into a Nordic
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* Semiconductor ASA integrated circuit in a product or a software update for
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* such product, must reproduce the above copyright notice, this list of
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* conditions and the following disclaimer in the documentation and/or other
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* materials provided with the distribution.
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*
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* 3. Neither the name of Nordic Semiconductor ASA nor the names of its
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* contributors may be used to endorse or promote products derived from this
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* software without specific prior written permission.
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*
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* 4. This software, with or without modification, must only be used with a
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* Nordic Semiconductor ASA integrated circuit.
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*
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* 5. Any software provided in binary form under this license must not be reverse
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* engineered, decompiled, modified and/or disassembled.
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*
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* THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#include "sdk_common.h"
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#if NRF_MODULE_ENABLED(NRF_CRYPTO)
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/*lint -save -e????*/
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#include "mbedtls/md.h"
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#include "mbedtls/aes.h"
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#include "mbedtls/cipher.h"
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/*lint -restore*/
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#include "nrf_crypto_error.h"
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#include "mbedtls_backend_aes.h"
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#if NRF_MODULE_ENABLED(NRF_CRYPTO_MBEDTLS_AES)
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/* macro changing bits to bytes */
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#define BITS_TO_BYTES(bits) ((bits)>>3)
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#define BACKEND_ERROR_CHECK(error) \
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do { \
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if ((error) != 0) \
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{ \
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return result_get((error)); \
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} \
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} while (0);
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/**@internal @brief Type declarations of templates matching all possible context sizes
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* for this backend.
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*/
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typedef struct
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{
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nrf_crypto_aes_internal_context_t header; /**< Common header for context. */
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nrf_crypto_backend_aes_ctx_t backend; /**< Backend-specific internal context. */
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uint32_t context[1]; /**< AES context internal to mbed TLS. */
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} nrf_crypto_backend_mbedtls_aes_any_context_t;
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/**@internal @brief Type declarations of templates matching all possible context sizes
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* for this backend.
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*/
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typedef union
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{
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nrf_crypto_backend_mbedtls_aes_any_context_t any; /**< Common for all contexts. */
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#if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_MBEDTLS_AES_ECB)
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nrf_crypto_backend_aes_ecb_context_t ecb;
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#endif
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#if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_MBEDTLS_AES_CBC)
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nrf_crypto_backend_aes_cbc_context_t cbc;
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#endif
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#if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_MBEDTLS_AES_CTR)
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nrf_crypto_backend_aes_ctr_context_t ctr;
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#endif
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#if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_MBEDTLS_AES_CFB)
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nrf_crypto_backend_aes_cfb_context_t cfb;
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#endif
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#if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_MBEDTLS_AES_CBC_MAC)
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nrf_crypto_backend_aes_cbc_mac_context_t cbc_mac;
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#endif
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#if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_MBEDTLS_AES_CMAC)
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nrf_crypto_backend_aes_cmac_context_t cmac;
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#endif
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} nrf_crypto_backend_mbedtls_aes_context_t;
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static ret_code_t result_get(int error)
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{
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ret_code_t ret_val;
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switch (error)
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{
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case 0:
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ret_val = NRF_SUCCESS;
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break;
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case MBEDTLS_ERR_AES_INVALID_INPUT_LENGTH:
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ret_val = NRF_ERROR_CRYPTO_INPUT_LENGTH;
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break;
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case MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA:
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ret_val = NRF_ERROR_CRYPTO_INPUT_LENGTH;
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break;
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case MBEDTLS_ERR_CIPHER_ALLOC_FAILED:
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ret_val = NRF_ERROR_CRYPTO_ALLOC_FAILED;
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break;
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case MBEDTLS_ERR_CIPHER_FEATURE_UNAVAILABLE:
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ret_val = NRF_ERROR_CRYPTO_FEATURE_UNAVAILABLE;
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break;
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case MBEDTLS_ERR_MD_BAD_INPUT_DATA:
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ret_val = NRF_ERROR_CRYPTO_INVALID_PARAM;
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break;
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default:
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ret_val = NRF_ERROR_CRYPTO_INTERNAL;
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break;
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}
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return ret_val;
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}
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#if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_MBEDTLS_AES_CMAC)
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static ret_code_t backend_cmac_init(nrf_crypto_backend_aes_cmac_context_t * const p_cmac_ctx)
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{
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int error;
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mbedtls_cipher_type_t cipher_type;
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mbedtls_cipher_info_t const * p_cipher_info;
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mbedtls_cipher_init(&p_cmac_ctx->context);
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switch (p_cmac_ctx->header.p_info->key_size)
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{
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case NRF_CRYPTO_KEY_SIZE_128:
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cipher_type = MBEDTLS_CIPHER_AES_128_ECB;
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break;
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case NRF_CRYPTO_KEY_SIZE_192:
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cipher_type = MBEDTLS_CIPHER_AES_192_ECB;
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break;
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case NRF_CRYPTO_KEY_SIZE_256:
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cipher_type = MBEDTLS_CIPHER_AES_256_ECB;
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break;
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default:
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return NRF_ERROR_CRYPTO_CONTEXT_NOT_INITIALIZED;
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}
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p_cipher_info = mbedtls_cipher_info_from_type(cipher_type);
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if (p_cipher_info == NULL)
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{
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return NRF_ERROR_CRYPTO_INTERNAL;
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}
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error = mbedtls_cipher_setup(&p_cmac_ctx->context, p_cipher_info);
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BACKEND_ERROR_CHECK(error);
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return NRF_SUCCESS;
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}
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#endif
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static ret_code_t backend_mbedtls_init(void * const p_context, nrf_crypto_operation_t operation)
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{
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ret_code_t ret_val = NRF_SUCCESS;
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nrf_crypto_backend_mbedtls_aes_context_t * p_ctx =
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(nrf_crypto_backend_mbedtls_aes_context_t *)p_context;
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switch (p_ctx->any.header.p_info->key_size)
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{
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case NRF_CRYPTO_KEY_SIZE_128:
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case NRF_CRYPTO_KEY_SIZE_192:
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case NRF_CRYPTO_KEY_SIZE_256:
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break;
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default:
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return NRF_ERROR_CRYPTO_KEY_SIZE;
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}
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switch (p_ctx->any.header.p_info->mode)
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{
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#if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_MBEDTLS_AES_CBC)
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case NRF_CRYPTO_AES_MODE_CBC:
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case NRF_CRYPTO_AES_MODE_CBC_PAD_PCKS7:
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VERIFY_FALSE(((operation != NRF_CRYPTO_ENCRYPT) && (operation != NRF_CRYPTO_DECRYPT)),
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NRF_ERROR_CRYPTO_INVALID_PARAM);
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memset(&p_ctx->cbc.backend, 0, sizeof(p_ctx->cbc.backend));
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mbedtls_aes_init(&p_ctx->cbc.context);
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break;
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#endif
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#if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_MBEDTLS_AES_CTR)
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case NRF_CRYPTO_AES_MODE_CTR:
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VERIFY_FALSE(((operation != NRF_CRYPTO_ENCRYPT) && (operation != NRF_CRYPTO_DECRYPT)),
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NRF_ERROR_CRYPTO_INVALID_PARAM);
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memset(&p_ctx->ctr.backend, 0, sizeof(p_ctx->ctr.backend));
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mbedtls_aes_init(&p_ctx->ctr.context);
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break;
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#endif
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#if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_MBEDTLS_AES_CFB)
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case NRF_CRYPTO_AES_MODE_CFB:
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VERIFY_FALSE(((operation != NRF_CRYPTO_ENCRYPT) && (operation != NRF_CRYPTO_DECRYPT)),
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NRF_ERROR_CRYPTO_INVALID_PARAM);
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memset(&p_ctx->cfb.backend, 0, sizeof(p_ctx->cfb.backend));
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mbedtls_aes_init(&p_ctx->cfb.context);
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break;
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#endif
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#if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_MBEDTLS_AES_ECB)
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case NRF_CRYPTO_AES_MODE_ECB:
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case NRF_CRYPTO_AES_MODE_ECB_PAD_PCKS7:
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VERIFY_FALSE(((operation != NRF_CRYPTO_ENCRYPT) && (operation != NRF_CRYPTO_DECRYPT)),
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NRF_ERROR_CRYPTO_INVALID_PARAM);
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memset(&p_ctx->ecb.backend, 0, sizeof(p_ctx->ecb.backend));
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mbedtls_aes_init(&p_ctx->ecb.context);
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break;
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#endif
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#if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_MBEDTLS_AES_CBC_MAC)
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case NRF_CRYPTO_AES_MODE_CBC_MAC:
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case NRF_CRYPTO_AES_MODE_CBC_MAC_PAD_PCKS7:
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VERIFY_TRUE((operation == NRF_CRYPTO_MAC_CALCULATE), NRF_ERROR_CRYPTO_INVALID_PARAM);
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memset(&p_ctx->cbc_mac.backend, 0, sizeof(p_ctx->cbc_mac.backend));
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mbedtls_aes_init(&p_ctx->cbc_mac.context);
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break;
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#endif
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#if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_MBEDTLS_AES_CMAC)
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case NRF_CRYPTO_AES_MODE_CMAC:
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VERIFY_TRUE((operation == NRF_CRYPTO_MAC_CALCULATE), NRF_ERROR_CRYPTO_INVALID_PARAM);
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ret_val = backend_cmac_init(&p_ctx->cmac);
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break;
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#endif
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default:
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ret_val = NRF_ERROR_CRYPTO_FEATURE_UNAVAILABLE;
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break;
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}
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p_ctx->any.backend.operation = operation;
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return ret_val;
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}
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static ret_code_t backend_mbedtls_uninit(void * const p_context)
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{
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nrf_crypto_backend_mbedtls_aes_context_t * p_ctx =
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(nrf_crypto_backend_mbedtls_aes_context_t *)p_context;
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switch (p_ctx->any.header.p_info->mode)
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{
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#if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_MBEDTLS_AES_CBC)
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case NRF_CRYPTO_AES_MODE_CBC:
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case NRF_CRYPTO_AES_MODE_CBC_PAD_PCKS7:
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mbedtls_aes_free(&p_ctx->cbc.context);
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break;
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#endif
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#if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_MBEDTLS_AES_CTR)
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case NRF_CRYPTO_AES_MODE_CTR:
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mbedtls_aes_free(&p_ctx->ctr.context);
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break;
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#endif
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#if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_MBEDTLS_AES_CFB)
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case NRF_CRYPTO_AES_MODE_CFB:
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mbedtls_aes_free(&p_ctx->cfb.context);
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break;
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#endif
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#if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_MBEDTLS_AES_ECB)
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case NRF_CRYPTO_AES_MODE_ECB:
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case NRF_CRYPTO_AES_MODE_ECB_PAD_PCKS7:
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mbedtls_aes_free(&p_ctx->ecb.context);
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break;
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#endif
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#if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_MBEDTLS_AES_CBC_MAC)
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case NRF_CRYPTO_AES_MODE_CBC_MAC:
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case NRF_CRYPTO_AES_MODE_CBC_MAC_PAD_PCKS7:
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mbedtls_aes_free(&p_ctx->cbc_mac.context);
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break;
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#endif
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#if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_MBEDTLS_AES_CMAC)
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case NRF_CRYPTO_AES_MODE_CMAC:
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mbedtls_cipher_free(&p_ctx->cmac.context);
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break;
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#endif
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default:
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return NRF_ERROR_CRYPTO_FEATURE_UNAVAILABLE;
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}
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return NRF_SUCCESS;
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}
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static ret_code_t backend_mbedtls_key_set(void * const p_context, uint8_t * p_key)
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{
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int error;
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ret_code_t ret_val;
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nrf_crypto_backend_mbedtls_aes_context_t * p_ctx =
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(nrf_crypto_backend_mbedtls_aes_context_t *)p_context;
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switch (p_ctx->any.header.p_info->mode)
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{
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#if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_MBEDTLS_AES_CBC)
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case NRF_CRYPTO_AES_MODE_CBC:
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case NRF_CRYPTO_AES_MODE_CBC_PAD_PCKS7:
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if (p_ctx->cbc.backend.operation == NRF_CRYPTO_ENCRYPT)
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{
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error = mbedtls_aes_setkey_enc(&p_ctx->cbc.context,
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(uint8_t const *)p_key,
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p_ctx->cbc.header.p_info->key_size);
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}
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else
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{
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error = mbedtls_aes_setkey_dec(&p_ctx->cbc.context,
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(uint8_t const *)p_key,
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p_ctx->cbc.header.p_info->key_size);
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}
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break;
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#endif
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#if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_MBEDTLS_AES_CTR)
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case NRF_CRYPTO_AES_MODE_CTR:
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/* Due to the nature of CFB / CTR, you should use the same key schedule for both
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encryption and decryption.*/
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error = mbedtls_aes_setkey_enc(&p_ctx->ctr.context,
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(uint8_t const *)p_key,
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p_ctx->ctr.header.p_info->key_size);
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break;
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#endif
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#if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_MBEDTLS_AES_CFB)
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case NRF_CRYPTO_AES_MODE_CFB:
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/* Due to the nature of CFB / CTR, you should use the same key schedule for both
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encryption and decryption.*/
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error = mbedtls_aes_setkey_enc(&p_ctx->cfb.context,
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(uint8_t const *)p_key,
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p_ctx->cfb.header.p_info->key_size);
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break;
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#endif
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#if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_MBEDTLS_AES_ECB)
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case NRF_CRYPTO_AES_MODE_ECB:
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case NRF_CRYPTO_AES_MODE_ECB_PAD_PCKS7:
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if (p_ctx->ecb.backend.operation == NRF_CRYPTO_ENCRYPT)
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{
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error = mbedtls_aes_setkey_enc(&p_ctx->ecb.context,
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(uint8_t const *)p_key,
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p_ctx->ecb.header.p_info->key_size);
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}
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else
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{
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error = mbedtls_aes_setkey_dec(&p_ctx->ecb.context,
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(uint8_t const *)p_key,
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p_ctx->ecb.header.p_info->key_size);
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}
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break;
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#endif
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#if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_MBEDTLS_AES_CBC_MAC)
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case NRF_CRYPTO_AES_MODE_CBC_MAC:
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case NRF_CRYPTO_AES_MODE_CBC_MAC_PAD_PCKS7:
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error = mbedtls_aes_setkey_enc(&p_ctx->cbc_mac.context,
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(uint8_t const *)p_key,
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p_ctx->cbc_mac.header.p_info->key_size);
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break;
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#endif
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#if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_MBEDTLS_AES_CMAC)
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case NRF_CRYPTO_AES_MODE_CMAC:
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error = mbedtls_cipher_cmac_starts(&p_ctx->cmac.context,
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p_key,
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p_ctx->cmac.header.p_info->key_size);
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break;
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#endif
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default:
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return NRF_ERROR_CRYPTO_FEATURE_UNAVAILABLE;
|
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}
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|
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ret_val = result_get(error);
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|
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return ret_val;
|
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}
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|
|
#if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_MBEDTLS_AES_CBC) || \
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NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_MBEDTLS_AES_CTR) || \
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NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_MBEDTLS_AES_CFB) || \
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NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_MBEDTLS_AES_CBC_MAC)
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static ret_code_t backend_mbedtls_iv_set(void * const p_context, uint8_t * p_iv)
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{
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nrf_crypto_backend_mbedtls_aes_context_t * p_ctx =
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(nrf_crypto_backend_mbedtls_aes_context_t *)p_context;
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memcpy(&p_ctx->any.backend.iv[0], p_iv, sizeof(p_ctx->any.backend.iv));
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return NRF_SUCCESS;
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}
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static ret_code_t backend_mbedtls_iv_get(void * const p_context, uint8_t * p_iv)
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{
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nrf_crypto_backend_mbedtls_aes_context_t * p_ctx =
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(nrf_crypto_backend_mbedtls_aes_context_t *)p_context;
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memcpy(p_iv, p_ctx->any.backend.iv, sizeof(p_ctx->any.backend.iv));
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return NRF_SUCCESS;
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}
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#endif
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|
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#if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_MBEDTLS_AES_ECB)
|
|
/* Function extending mbedtls_aes_crypt_ecb functionality. It allows to process more than 1
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data block. It is returning MBEDTLS error type. */
|
|
static int backend_mbedtls_ecb_crypt(nrf_crypto_backend_aes_ecb_context_t * const p_ctx,
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uint8_t * p_text_in,
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uint8_t * p_text_out,
|
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size_t text_size)
|
|
{
|
|
int error = 0;
|
|
size_t crypted_text = 0;
|
|
|
|
if ((text_size & 0x0F) != 0)
|
|
{
|
|
return MBEDTLS_ERR_AES_INVALID_INPUT_LENGTH;
|
|
}
|
|
|
|
while (crypted_text < text_size)
|
|
{
|
|
error = mbedtls_aes_crypt_ecb(&p_ctx->context,
|
|
(int)p_ctx->backend.operation,
|
|
p_text_in + crypted_text,
|
|
p_text_out + crypted_text);
|
|
if (error != 0)
|
|
{
|
|
break;
|
|
}
|
|
crypted_text += NRF_CRYPTO_AES_BLOCK_SIZE;
|
|
}
|
|
|
|
return error;
|
|
}
|
|
#endif
|
|
|
|
#if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_MBEDTLS_AES_CBC_MAC)
|
|
static int backend_mbedtls_cbc_mac_update(void * const p_context,
|
|
uint8_t * p_data_in,
|
|
size_t data_size,
|
|
uint8_t * p_data_out)
|
|
{
|
|
int error = 0;
|
|
|
|
nrf_crypto_backend_mbedtls_aes_context_t * p_ctx =
|
|
(nrf_crypto_backend_mbedtls_aes_context_t *)p_context;
|
|
|
|
for (size_t i = 0; i < data_size; i += NRF_CRYPTO_AES_BLOCK_SIZE)
|
|
{
|
|
error = mbedtls_aes_crypt_cbc(&p_ctx->cbc_mac.context,
|
|
MBEDTLS_AES_ENCRYPT,
|
|
NRF_CRYPTO_AES_BLOCK_SIZE,
|
|
p_ctx->cbc_mac.backend.iv,
|
|
(uint8_t const *)p_data_in + i,
|
|
p_data_out);
|
|
if (error != 0)
|
|
{
|
|
return error;
|
|
}
|
|
}
|
|
|
|
return error;
|
|
}
|
|
|
|
static ret_code_t backend_mbedtls_cbc_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)
|
|
{
|
|
int error;
|
|
|
|
if (*p_data_out_size < NRF_CRYPTO_AES_BLOCK_SIZE)
|
|
{
|
|
return NRF_ERROR_CRYPTO_OUTPUT_LENGTH;
|
|
}
|
|
|
|
/* this function does not support padding */
|
|
if ((data_size & 0xF) != 0)
|
|
{
|
|
return NRF_ERROR_CRYPTO_INPUT_LENGTH;
|
|
}
|
|
|
|
error = backend_mbedtls_cbc_mac_update(p_context, p_data_in, data_size, p_data_out);
|
|
BACKEND_ERROR_CHECK(error);
|
|
|
|
*p_data_out_size = NRF_CRYPTO_AES_BLOCK_SIZE;
|
|
|
|
return NRF_SUCCESS;
|
|
}
|
|
|
|
static ret_code_t backend_mbedtls_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_mbedtls_cbc_mac_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_mbedtls_cbc_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
|
|
|
|
static ret_code_t backend_mbedtls_update(void * const p_context,
|
|
uint8_t * p_data_in,
|
|
size_t data_size,
|
|
uint8_t * p_data_out)
|
|
{
|
|
int error;
|
|
|
|
nrf_crypto_backend_mbedtls_aes_context_t * p_ctx =
|
|
(nrf_crypto_backend_mbedtls_aes_context_t *)p_context;
|
|
|
|
switch (p_ctx->any.header.p_info->mode)
|
|
{
|
|
#if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_MBEDTLS_AES_CBC)
|
|
case NRF_CRYPTO_AES_MODE_CBC:
|
|
case NRF_CRYPTO_AES_MODE_CBC_PAD_PCKS7:
|
|
error = mbedtls_aes_crypt_cbc(&p_ctx->cbc.context,
|
|
(int)p_ctx->cbc.backend.operation,
|
|
data_size,
|
|
p_ctx->cbc.backend.iv,
|
|
(uint8_t const *)p_data_in,
|
|
p_data_out);
|
|
break;
|
|
#endif
|
|
|
|
|
|
#if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_MBEDTLS_AES_CTR)
|
|
case NRF_CRYPTO_AES_MODE_CTR:
|
|
{
|
|
size_t nc_off = 0;
|
|
uint8_t stream_block[NRF_CRYPTO_AES_BLOCK_SIZE];
|
|
|
|
error = mbedtls_aes_crypt_ctr(&p_ctx->ctr.context,
|
|
data_size,
|
|
&nc_off,
|
|
p_ctx->ctr.backend.iv,
|
|
stream_block,
|
|
(uint8_t const *)p_data_in,
|
|
p_data_out);
|
|
break;
|
|
}
|
|
#endif
|
|
|
|
#if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_MBEDTLS_AES_CFB)
|
|
case NRF_CRYPTO_AES_MODE_CFB:
|
|
error = mbedtls_aes_crypt_cfb8(&p_ctx->cfb.context,
|
|
(int)p_ctx->cfb.backend.operation,
|
|
data_size,
|
|
p_ctx->cfb.backend.iv,
|
|
(uint8_t const *)p_data_in,
|
|
p_data_out);
|
|
break;
|
|
#endif
|
|
|
|
#if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_MBEDTLS_AES_ECB)
|
|
case NRF_CRYPTO_AES_MODE_ECB:
|
|
case NRF_CRYPTO_AES_MODE_ECB_PAD_PCKS7:
|
|
error = backend_mbedtls_ecb_crypt(&p_ctx->ecb, p_data_in, p_data_out, data_size);
|
|
break;
|
|
#endif
|
|
|
|
|
|
#if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_MBEDTLS_AES_CBC_MAC)
|
|
case NRF_CRYPTO_AES_MODE_CBC_MAC:
|
|
case NRF_CRYPTO_AES_MODE_CBC_MAC_PAD_PCKS7:
|
|
error = backend_mbedtls_cbc_mac_update(p_context, p_data_in, data_size, p_data_out);
|
|
break;
|
|
#endif
|
|
|
|
#if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_MBEDTLS_AES_CMAC)
|
|
case NRF_CRYPTO_AES_MODE_CMAC:
|
|
error = mbedtls_cipher_cmac_update(&p_ctx->cmac.context,
|
|
p_data_in,
|
|
data_size);
|
|
break;
|
|
#endif
|
|
|
|
default:
|
|
return NRF_ERROR_CRYPTO_CONTEXT_NOT_INITIALIZED;
|
|
}
|
|
BACKEND_ERROR_CHECK(error);
|
|
|
|
return NRF_SUCCESS;
|
|
}
|
|
|
|
static ret_code_t backend_mbedtls_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;
|
|
|
|
nrf_crypto_backend_mbedtls_aes_context_t * p_ctx =
|
|
(nrf_crypto_backend_mbedtls_aes_context_t *)p_context;
|
|
|
|
if (*p_data_out_size < data_size)
|
|
{
|
|
return NRF_ERROR_CRYPTO_OUTPUT_LENGTH;
|
|
}
|
|
|
|
/* data is not multiple of 16 bytes */
|
|
if ((data_size & 0x0F) != 0)
|
|
{
|
|
if ((p_ctx->any.header.p_info->mode != NRF_CRYPTO_AES_MODE_CTR) &&
|
|
(p_ctx->any.header.p_info->mode != NRF_CRYPTO_AES_MODE_CFB))
|
|
{
|
|
/* There are separate handlers for AES modes with padding and for MAC modes. */
|
|
return NRF_ERROR_CRYPTO_INPUT_LENGTH;
|
|
}
|
|
}
|
|
|
|
ret_val = backend_mbedtls_update(p_context, p_data_in, data_size, p_data_out);
|
|
VERIFY_SUCCESS(ret_val);
|
|
|
|
*p_data_out_size = data_size;
|
|
|
|
return ret_val;
|
|
}
|
|
|
|
#if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_MBEDTLS_AES_CMAC)
|
|
static ret_code_t backend_mbedtls_cmac_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)
|
|
{
|
|
int error;
|
|
|
|
nrf_crypto_backend_mbedtls_aes_context_t * p_ctx =
|
|
(nrf_crypto_backend_mbedtls_aes_context_t *)p_context;
|
|
|
|
if (*p_data_out_size < NRF_CRYPTO_AES_BLOCK_SIZE)
|
|
{
|
|
return NRF_ERROR_CRYPTO_OUTPUT_LENGTH;
|
|
}
|
|
|
|
error = mbedtls_cipher_cmac_update(&p_ctx->cmac.context, p_data_in, data_size);
|
|
BACKEND_ERROR_CHECK(error);
|
|
|
|
error = mbedtls_cipher_cmac_finish(&p_ctx->cmac.context, p_data_out);
|
|
BACKEND_ERROR_CHECK(error);
|
|
|
|
*p_data_out_size = NRF_CRYPTO_AES_BLOCK_SIZE;
|
|
|
|
return NRF_SUCCESS;
|
|
}
|
|
#endif
|
|
|
|
#if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_MBEDTLS_AES_CBC) || \
|
|
NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_MBEDTLS_AES_ECB)
|
|
static ret_code_t backend_mbedtls_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;
|
|
size_t buff_out_size;
|
|
uint8_t padding_buffer[NRF_CRYPTO_AES_BLOCK_SIZE] = {0};
|
|
uint8_t msg_ending = (uint8_t)(data_size & (size_t)0x0F);
|
|
|
|
nrf_crypto_backend_mbedtls_aes_context_t * p_ctx =
|
|
(nrf_crypto_backend_mbedtls_aes_context_t *)p_context;
|
|
|
|
if (p_ctx->any.backend.operation == NRF_CRYPTO_DECRYPT)
|
|
{
|
|
ret_val = backend_mbedtls_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)
|
|
{
|
|
/* Encrypt 16 byte blocks */
|
|
ret_val = backend_mbedtls_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_mbedtls_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;
|
|
|
|
return ret_val;
|
|
}
|
|
#endif
|
|
|
|
|
|
#if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_MBEDTLS_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_mbedtls_init,
|
|
.uninit_fn = backend_mbedtls_uninit,
|
|
.key_set_fn = backend_mbedtls_key_set,
|
|
.iv_set_fn = backend_mbedtls_iv_set,
|
|
.iv_get_fn = backend_mbedtls_iv_get,
|
|
.update_fn = backend_mbedtls_update,
|
|
.finalize_fn = backend_mbedtls_finalize
|
|
};
|
|
|
|
nrf_crypto_aes_info_t const g_nrf_crypto_aes_cbc_192_info =
|
|
{
|
|
.mode = NRF_CRYPTO_AES_MODE_CBC,
|
|
.key_size = NRF_CRYPTO_KEY_SIZE_192,
|
|
.context_size = sizeof(nrf_crypto_backend_aes_cbc_context_t),
|
|
|
|
.init_fn = backend_mbedtls_init,
|
|
.uninit_fn = backend_mbedtls_uninit,
|
|
.key_set_fn = backend_mbedtls_key_set,
|
|
.iv_set_fn = backend_mbedtls_iv_set,
|
|
.iv_get_fn = backend_mbedtls_iv_get,
|
|
.update_fn = backend_mbedtls_update,
|
|
.finalize_fn = backend_mbedtls_finalize
|
|
};
|
|
|
|
nrf_crypto_aes_info_t const g_nrf_crypto_aes_cbc_256_info =
|
|
{
|
|
.mode = NRF_CRYPTO_AES_MODE_CBC,
|
|
.key_size = NRF_CRYPTO_KEY_SIZE_256,
|
|
.context_size = sizeof(nrf_crypto_backend_aes_cbc_context_t),
|
|
|
|
.init_fn = backend_mbedtls_init,
|
|
.uninit_fn = backend_mbedtls_uninit,
|
|
.key_set_fn = backend_mbedtls_key_set,
|
|
.iv_set_fn = backend_mbedtls_iv_set,
|
|
.iv_get_fn = backend_mbedtls_iv_get,
|
|
.update_fn = backend_mbedtls_update,
|
|
.finalize_fn = backend_mbedtls_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_mbedtls_init,
|
|
.uninit_fn = backend_mbedtls_uninit,
|
|
.key_set_fn = backend_mbedtls_key_set,
|
|
.iv_set_fn = backend_mbedtls_iv_set,
|
|
.iv_get_fn = backend_mbedtls_iv_get,
|
|
.update_fn = backend_mbedtls_update,
|
|
.finalize_fn = backend_mbedtls_padding_finalize
|
|
};
|
|
|
|
nrf_crypto_aes_info_t const g_nrf_crypto_aes_cbc_192_pad_pkcs7_info =
|
|
{
|
|
.mode = NRF_CRYPTO_AES_MODE_CBC_PAD_PCKS7,
|
|
.key_size = NRF_CRYPTO_KEY_SIZE_192,
|
|
.context_size = sizeof(nrf_crypto_backend_aes_cbc_context_t),
|
|
|
|
.init_fn = backend_mbedtls_init,
|
|
.uninit_fn = backend_mbedtls_uninit,
|
|
.key_set_fn = backend_mbedtls_key_set,
|
|
.iv_set_fn = backend_mbedtls_iv_set,
|
|
.iv_get_fn = backend_mbedtls_iv_get,
|
|
.update_fn = backend_mbedtls_update,
|
|
.finalize_fn = backend_mbedtls_padding_finalize
|
|
};
|
|
|
|
nrf_crypto_aes_info_t const g_nrf_crypto_aes_cbc_256_pad_pkcs7_info =
|
|
{
|
|
.mode = NRF_CRYPTO_AES_MODE_CBC_PAD_PCKS7,
|
|
.key_size = NRF_CRYPTO_KEY_SIZE_256,
|
|
.context_size = sizeof(nrf_crypto_backend_aes_cbc_context_t),
|
|
|
|
.init_fn = backend_mbedtls_init,
|
|
.uninit_fn = backend_mbedtls_uninit,
|
|
.key_set_fn = backend_mbedtls_key_set,
|
|
.iv_set_fn = backend_mbedtls_iv_set,
|
|
.iv_get_fn = backend_mbedtls_iv_get,
|
|
.update_fn = backend_mbedtls_update,
|
|
.finalize_fn = backend_mbedtls_padding_finalize
|
|
};
|
|
#endif
|
|
|
|
#if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_MBEDTLS_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_mbedtls_init,
|
|
.uninit_fn = backend_mbedtls_uninit,
|
|
.key_set_fn = backend_mbedtls_key_set,
|
|
.iv_set_fn = backend_mbedtls_iv_set,
|
|
.iv_get_fn = backend_mbedtls_iv_get,
|
|
.update_fn = backend_mbedtls_update,
|
|
.finalize_fn = backend_mbedtls_finalize
|
|
};
|
|
|
|
nrf_crypto_aes_info_t const g_nrf_crypto_aes_ctr_192_info =
|
|
{
|
|
.mode = NRF_CRYPTO_AES_MODE_CTR,
|
|
.key_size = NRF_CRYPTO_KEY_SIZE_192,
|
|
.context_size = sizeof(nrf_crypto_backend_aes_ctr_context_t),
|
|
|
|
.init_fn = backend_mbedtls_init,
|
|
.uninit_fn = backend_mbedtls_uninit,
|
|
.key_set_fn = backend_mbedtls_key_set,
|
|
.iv_set_fn = backend_mbedtls_iv_set,
|
|
.iv_get_fn = backend_mbedtls_iv_get,
|
|
.update_fn = backend_mbedtls_update,
|
|
.finalize_fn = backend_mbedtls_finalize
|
|
};
|
|
|
|
nrf_crypto_aes_info_t const g_nrf_crypto_aes_ctr_256_info =
|
|
{
|
|
.mode = NRF_CRYPTO_AES_MODE_CTR,
|
|
.key_size = NRF_CRYPTO_KEY_SIZE_256,
|
|
.context_size = sizeof(nrf_crypto_backend_aes_ctr_context_t),
|
|
|
|
.init_fn = backend_mbedtls_init,
|
|
.uninit_fn = backend_mbedtls_uninit,
|
|
.key_set_fn = backend_mbedtls_key_set,
|
|
.iv_set_fn = backend_mbedtls_iv_set,
|
|
.iv_get_fn = backend_mbedtls_iv_get,
|
|
.update_fn = backend_mbedtls_update,
|
|
.finalize_fn = backend_mbedtls_finalize
|
|
};
|
|
#endif
|
|
|
|
// CFB
|
|
#if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_MBEDTLS_AES_CFB)
|
|
nrf_crypto_aes_info_t const g_nrf_crypto_aes_cfb_128_info =
|
|
{
|
|
.mode = NRF_CRYPTO_AES_MODE_CFB,
|
|
.key_size = NRF_CRYPTO_KEY_SIZE_128,
|
|
.context_size = sizeof(nrf_crypto_backend_aes_cfb_context_t),
|
|
|
|
.init_fn = backend_mbedtls_init,
|
|
.uninit_fn = backend_mbedtls_uninit,
|
|
.key_set_fn = backend_mbedtls_key_set,
|
|
.iv_set_fn = backend_mbedtls_iv_set,
|
|
.iv_get_fn = backend_mbedtls_iv_get,
|
|
.update_fn = backend_mbedtls_update,
|
|
.finalize_fn = backend_mbedtls_finalize
|
|
};
|
|
|
|
nrf_crypto_aes_info_t const g_nrf_crypto_aes_cfb_192_info =
|
|
{
|
|
.mode = NRF_CRYPTO_AES_MODE_CFB,
|
|
.key_size = NRF_CRYPTO_KEY_SIZE_192,
|
|
.context_size = sizeof(nrf_crypto_backend_aes_cfb_context_t),
|
|
|
|
.init_fn = backend_mbedtls_init,
|
|
.uninit_fn = backend_mbedtls_uninit,
|
|
.key_set_fn = backend_mbedtls_key_set,
|
|
.iv_set_fn = backend_mbedtls_iv_set,
|
|
.iv_get_fn = backend_mbedtls_iv_get,
|
|
.update_fn = backend_mbedtls_update,
|
|
.finalize_fn = backend_mbedtls_finalize
|
|
};
|
|
|
|
nrf_crypto_aes_info_t const g_nrf_crypto_aes_cfb_256_info =
|
|
{
|
|
.mode = NRF_CRYPTO_AES_MODE_CFB,
|
|
.key_size = NRF_CRYPTO_KEY_SIZE_256,
|
|
.context_size = sizeof(nrf_crypto_backend_aes_cfb_context_t),
|
|
|
|
.init_fn = backend_mbedtls_init,
|
|
.uninit_fn = backend_mbedtls_uninit,
|
|
.key_set_fn = backend_mbedtls_key_set,
|
|
.iv_set_fn = backend_mbedtls_iv_set,
|
|
.iv_get_fn = backend_mbedtls_iv_get,
|
|
.update_fn = backend_mbedtls_update,
|
|
.finalize_fn = backend_mbedtls_finalize
|
|
};
|
|
#endif
|
|
|
|
#if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_MBEDTLS_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_mbedtls_init,
|
|
.uninit_fn = backend_mbedtls_uninit,
|
|
.key_set_fn = backend_mbedtls_key_set,
|
|
.iv_set_fn = NULL,
|
|
.iv_get_fn = NULL,
|
|
.update_fn = backend_mbedtls_update,
|
|
.finalize_fn = backend_mbedtls_finalize
|
|
};
|
|
|
|
nrf_crypto_aes_info_t const g_nrf_crypto_aes_ecb_192_info =
|
|
{
|
|
.mode = NRF_CRYPTO_AES_MODE_ECB,
|
|
.key_size = NRF_CRYPTO_KEY_SIZE_192,
|
|
.context_size = sizeof(nrf_crypto_backend_aes_ecb_context_t),
|
|
|
|
.init_fn = backend_mbedtls_init,
|
|
.uninit_fn = backend_mbedtls_uninit,
|
|
.key_set_fn = backend_mbedtls_key_set,
|
|
.iv_set_fn = NULL,
|
|
.iv_get_fn = NULL,
|
|
.update_fn = backend_mbedtls_update,
|
|
.finalize_fn = backend_mbedtls_finalize
|
|
};
|
|
|
|
nrf_crypto_aes_info_t const g_nrf_crypto_aes_ecb_256_info =
|
|
{
|
|
.mode = NRF_CRYPTO_AES_MODE_ECB,
|
|
.key_size = NRF_CRYPTO_KEY_SIZE_256,
|
|
.context_size = sizeof(nrf_crypto_backend_aes_ecb_context_t),
|
|
|
|
.init_fn = backend_mbedtls_init,
|
|
.uninit_fn = backend_mbedtls_uninit,
|
|
.key_set_fn = backend_mbedtls_key_set,
|
|
.iv_set_fn = NULL,
|
|
.iv_get_fn = NULL,
|
|
.update_fn = backend_mbedtls_update,
|
|
.finalize_fn = backend_mbedtls_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_mbedtls_init,
|
|
.uninit_fn = backend_mbedtls_uninit,
|
|
.key_set_fn = backend_mbedtls_key_set,
|
|
.iv_set_fn = NULL,
|
|
.iv_get_fn = NULL,
|
|
.update_fn = backend_mbedtls_update,
|
|
.finalize_fn = backend_mbedtls_padding_finalize
|
|
};
|
|
|
|
nrf_crypto_aes_info_t const g_nrf_crypto_aes_ecb_192_pad_pkcs7_info =
|
|
{
|
|
.mode = NRF_CRYPTO_AES_MODE_ECB_PAD_PCKS7,
|
|
.key_size = NRF_CRYPTO_KEY_SIZE_192,
|
|
.context_size = sizeof(nrf_crypto_backend_aes_ecb_context_t),
|
|
|
|
.init_fn = backend_mbedtls_init,
|
|
.uninit_fn = backend_mbedtls_uninit,
|
|
.key_set_fn = backend_mbedtls_key_set,
|
|
.iv_set_fn = NULL,
|
|
.iv_get_fn = NULL,
|
|
.update_fn = backend_mbedtls_update,
|
|
.finalize_fn = backend_mbedtls_padding_finalize
|
|
};
|
|
|
|
nrf_crypto_aes_info_t const g_nrf_crypto_aes_ecb_256_pad_pkcs7_info =
|
|
{
|
|
.mode = NRF_CRYPTO_AES_MODE_ECB_PAD_PCKS7,
|
|
.key_size = NRF_CRYPTO_KEY_SIZE_256,
|
|
.context_size = sizeof(nrf_crypto_backend_aes_ecb_context_t),
|
|
|
|
.init_fn = backend_mbedtls_init,
|
|
.uninit_fn = backend_mbedtls_uninit,
|
|
.key_set_fn = backend_mbedtls_key_set,
|
|
.iv_set_fn = NULL,
|
|
.iv_get_fn = NULL,
|
|
.update_fn = backend_mbedtls_update,
|
|
.finalize_fn = backend_mbedtls_padding_finalize
|
|
};
|
|
#endif
|
|
|
|
|
|
// CBC MAC
|
|
#if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_MBEDTLS_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_mbedtls_init,
|
|
.uninit_fn = backend_mbedtls_uninit,
|
|
.key_set_fn = backend_mbedtls_key_set,
|
|
.iv_set_fn = backend_mbedtls_iv_set,
|
|
.iv_get_fn = backend_mbedtls_iv_get,
|
|
.update_fn = backend_mbedtls_update,
|
|
.finalize_fn = backend_mbedtls_cbc_mac_finalize
|
|
};
|
|
|
|
nrf_crypto_aes_info_t const g_nrf_crypto_aes_cbc_mac_192_info =
|
|
{
|
|
.mode = NRF_CRYPTO_AES_MODE_CBC_MAC,
|
|
.key_size = NRF_CRYPTO_KEY_SIZE_192,
|
|
.context_size = sizeof(nrf_crypto_backend_aes_cbc_mac_context_t),
|
|
|
|
.init_fn = backend_mbedtls_init,
|
|
.uninit_fn = backend_mbedtls_uninit,
|
|
.key_set_fn = backend_mbedtls_key_set,
|
|
.iv_set_fn = backend_mbedtls_iv_set,
|
|
.iv_get_fn = backend_mbedtls_iv_get,
|
|
.update_fn = backend_mbedtls_update,
|
|
.finalize_fn = backend_mbedtls_cbc_mac_finalize
|
|
};
|
|
|
|
nrf_crypto_aes_info_t const g_nrf_crypto_aes_cbc_mac_256_info =
|
|
{
|
|
.mode = NRF_CRYPTO_AES_MODE_CBC_MAC,
|
|
.key_size = NRF_CRYPTO_KEY_SIZE_256,
|
|
.context_size = sizeof(nrf_crypto_backend_aes_cbc_mac_context_t),
|
|
|
|
.init_fn = backend_mbedtls_init,
|
|
.uninit_fn = backend_mbedtls_uninit,
|
|
.key_set_fn = backend_mbedtls_key_set,
|
|
.iv_set_fn = backend_mbedtls_iv_set,
|
|
.iv_get_fn = backend_mbedtls_iv_get,
|
|
.update_fn = backend_mbedtls_update,
|
|
.finalize_fn = backend_mbedtls_cbc_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_mbedtls_init,
|
|
.uninit_fn = backend_mbedtls_uninit,
|
|
.key_set_fn = backend_mbedtls_key_set,
|
|
.iv_set_fn = backend_mbedtls_iv_set,
|
|
.iv_get_fn = backend_mbedtls_iv_get,
|
|
.update_fn = backend_mbedtls_update,
|
|
.finalize_fn = backend_mbedtls_cbc_mac_padding_finalize
|
|
};
|
|
|
|
nrf_crypto_aes_info_t const g_nrf_crypto_aes_cbc_mac_192_pad_pkcs7_info =
|
|
{
|
|
.mode = NRF_CRYPTO_AES_MODE_CBC_MAC_PAD_PCKS7,
|
|
.key_size = NRF_CRYPTO_KEY_SIZE_192,
|
|
.context_size = sizeof(nrf_crypto_backend_aes_cbc_mac_context_t),
|
|
|
|
.init_fn = backend_mbedtls_init,
|
|
.uninit_fn = backend_mbedtls_uninit,
|
|
.key_set_fn = backend_mbedtls_key_set,
|
|
.iv_set_fn = backend_mbedtls_iv_set,
|
|
.iv_get_fn = backend_mbedtls_iv_get,
|
|
.update_fn = backend_mbedtls_update,
|
|
.finalize_fn = backend_mbedtls_cbc_mac_padding_finalize
|
|
};
|
|
|
|
nrf_crypto_aes_info_t const g_nrf_crypto_aes_cbc_mac_256_pad_pkcs7_info =
|
|
{
|
|
.mode = NRF_CRYPTO_AES_MODE_CBC_MAC_PAD_PCKS7,
|
|
.key_size = NRF_CRYPTO_KEY_SIZE_256,
|
|
.context_size = sizeof(nrf_crypto_backend_aes_cbc_mac_context_t),
|
|
|
|
.init_fn = backend_mbedtls_init,
|
|
.uninit_fn = backend_mbedtls_uninit,
|
|
.key_set_fn = backend_mbedtls_key_set,
|
|
.iv_set_fn = backend_mbedtls_iv_set,
|
|
.iv_get_fn = backend_mbedtls_iv_get,
|
|
.update_fn = backend_mbedtls_update,
|
|
.finalize_fn = backend_mbedtls_cbc_mac_padding_finalize
|
|
};
|
|
|
|
#endif
|
|
|
|
// CMAC
|
|
#if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_MBEDTLS_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_mbedtls_init,
|
|
.uninit_fn = backend_mbedtls_uninit,
|
|
.key_set_fn = backend_mbedtls_key_set,
|
|
.iv_set_fn = NULL,
|
|
.iv_get_fn = NULL,
|
|
.update_fn = backend_mbedtls_update,
|
|
.finalize_fn = backend_mbedtls_cmac_finalize
|
|
};
|
|
|
|
nrf_crypto_aes_info_t const g_nrf_crypto_aes_cmac_192_info =
|
|
{
|
|
.mode = NRF_CRYPTO_AES_MODE_CMAC,
|
|
.key_size = NRF_CRYPTO_KEY_SIZE_192,
|
|
.context_size = sizeof(nrf_crypto_backend_aes_cmac_context_t),
|
|
|
|
.init_fn = backend_mbedtls_init,
|
|
.uninit_fn = backend_mbedtls_uninit,
|
|
.key_set_fn = backend_mbedtls_key_set,
|
|
.iv_set_fn = NULL,
|
|
.iv_get_fn = NULL,
|
|
.update_fn = backend_mbedtls_update,
|
|
.finalize_fn = backend_mbedtls_cmac_finalize
|
|
};
|
|
|
|
nrf_crypto_aes_info_t const g_nrf_crypto_aes_cmac_256_info =
|
|
{
|
|
.mode = NRF_CRYPTO_AES_MODE_CMAC,
|
|
.key_size = NRF_CRYPTO_KEY_SIZE_256,
|
|
.context_size = sizeof(nrf_crypto_backend_aes_cmac_context_t),
|
|
|
|
.init_fn = backend_mbedtls_init,
|
|
.uninit_fn = backend_mbedtls_uninit,
|
|
.key_set_fn = backend_mbedtls_key_set,
|
|
.iv_set_fn = NULL,
|
|
.iv_get_fn = NULL,
|
|
.update_fn = backend_mbedtls_update,
|
|
.finalize_fn = backend_mbedtls_cmac_finalize
|
|
};
|
|
#endif
|
|
|
|
#endif // #if NRF_MODULE_ENABLED(NRF_CRYPTO_MBEDTLS_AES)
|
|
#endif // MODULE_ENABLED(NRF_CRYPTO)
|
|
|