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- #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);
-
- 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
- #endif
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