diff options
Diffstat (limited to 'thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/crypto/nrf_crypto_aead.c')
| -rw-r--r-- | thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/crypto/nrf_crypto_aead.c | 159 |
1 files changed, 159 insertions, 0 deletions
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/crypto/nrf_crypto_aead.c b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/crypto/nrf_crypto_aead.c new file mode 100644 index 0000000..9459bc6 --- /dev/null +++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/crypto/nrf_crypto_aead.c @@ -0,0 +1,159 @@ +/** + * Copyright (c) 2018 - 2018, 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_error.h" +#include "nrf_crypto_aead.h" + +#if NRF_MODULE_ENABLED(NRF_CRYPTO_AEAD) + +static ret_code_t context_verify(nrf_crypto_aead_internal_context_t const * p_context) +{ + VERIFY_TRUE((p_context != NULL), NRF_ERROR_CRYPTO_CONTEXT_NULL); + + VERIFY_TRUE((p_context->init_value == NRF_CRYPTO_AEAD_INIT_MAGIC_VALUE), + NRF_ERROR_CRYPTO_CONTEXT_NOT_INITIALIZED); + + return NRF_SUCCESS; +} + + +ret_code_t nrf_crypto_aead_init(nrf_crypto_aead_context_t * const p_context, + nrf_crypto_aead_info_t const * const p_info, + uint8_t * p_key) +{ + ret_code_t ret_val; + + nrf_crypto_aead_internal_context_t * p_int_context = + (nrf_crypto_aead_internal_context_t *)p_context; + + VERIFY_TRUE((p_info != NULL), NRF_ERROR_CRYPTO_INPUT_NULL); + + VERIFY_TRUE((p_key != NULL), NRF_ERROR_CRYPTO_INPUT_NULL); + + ret_val = context_verify(p_int_context); + VERIFY_TRUE((ret_val == NRF_SUCCESS) || (ret_val == NRF_ERROR_CRYPTO_CONTEXT_NOT_INITIALIZED), + ret_val); + + p_int_context->init_value = NRF_CRYPTO_AEAD_INIT_MAGIC_VALUE; + p_int_context->p_info = p_info; + + ret_val = p_info->init_fn(p_context, p_key); + + if (ret_val != NRF_SUCCESS) + { + p_int_context->init_value = 0; + } + + return ret_val; +} + +ret_code_t nrf_crypto_aead_uninit(void * const p_context) +{ + ret_code_t ret_val; + + nrf_crypto_aead_internal_context_t * p_int_context = + (nrf_crypto_aead_internal_context_t *)p_context; + + ret_val = context_verify(p_int_context); + VERIFY_SUCCESS(ret_val); + + ret_val = p_int_context->p_info->uninit_fn(p_context); + + p_int_context->init_value = 0; + + return ret_val; +} + +ret_code_t nrf_crypto_aead_crypt(nrf_crypto_aead_context_t * const p_context, + nrf_crypto_operation_t operation, + uint8_t * p_nonce, + uint8_t nonce_size, + uint8_t * p_adata, + size_t adata_size, + uint8_t * p_data_in, + size_t data_in_size, + uint8_t * p_data_out, + uint8_t * p_mac, + uint8_t mac_size) +{ + ret_code_t ret_val; + + nrf_crypto_aead_internal_context_t * p_int_context = + (nrf_crypto_aead_internal_context_t *)p_context; + + ret_val = context_verify(p_int_context); + VERIFY_SUCCESS(ret_val); + + VERIFY_FALSE(((p_nonce == NULL) && (nonce_size != 0)), + NRF_ERROR_CRYPTO_INPUT_NULL); + + /* If mac_size == 0 MAC is updated and not stored under p_mac */ + VERIFY_FALSE(((p_mac == NULL) && (mac_size != 0)), + NRF_ERROR_CRYPTO_INPUT_NULL); + + VERIFY_FALSE(((p_adata == NULL) && (adata_size != 0)), + NRF_ERROR_CRYPTO_INPUT_NULL); + + VERIFY_FALSE(((p_data_in == NULL) && (data_in_size != 0)), + NRF_ERROR_CRYPTO_INPUT_NULL); + + VERIFY_FALSE(((p_data_out == NULL) && (data_in_size != 0)), + NRF_ERROR_CRYPTO_OUTPUT_NULL); + + ret_val = p_int_context->p_info->crypt_fn(p_context, + operation, + p_nonce, + nonce_size, + p_adata, + adata_size, + p_data_in, + data_in_size, + p_data_out, + p_mac, + mac_size); + return ret_val; +} + +#endif // NRF_MODULE_ENABLED(NRF_CRYPTO_AEAD) +#endif // NRF_MODULE_ENABLED(NRF_CRYPTO) + |