aead.h

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/* Copyright (c) 2024 Nordic Semiconductor
 * SPDX-License-Identifier: Apache-2.0
 */
#ifndef SECURE_STORAGE_ITS_TRANSFORM_AEAD_H
#define SECURE_STORAGE_ITS_TRANSFORM_AEAD_H

#include <zephyr/secure_storage/its/common.h>
#include <psa/crypto_types.h>

#define SECURE_STORAGE_ITS_TRANSFORM_AEAD_TAG_SIZE                     \
                (CONFIG_SECURE_STORAGE_ITS_TRANSFORM_OUTPUT_OVERHEAD   \
                 - CONFIG_SECURE_STORAGE_ITS_TRANSFORM_AEAD_NONCE_SIZE)

psa_status_t secure_storage_its_transform_aead_crypt(
                psa_key_usage_t operation, secure_storage_its_uid_t uid,
                const uint8_t nonce[static CONFIG_SECURE_STORAGE_ITS_TRANSFORM_AEAD_NONCE_SIZE],
                size_t add_data_len, const uint8_t *add_data, size_t input_len,
                const uint8_t *input, size_t output_size, uint8_t *output, size_t *output_len);
 
#if defined(CONFIG_SECURE_STORAGE_ITS_TRANSFORM_AEAD_SCHEME_IS_CONFIGURABLE) || defined(__DOXYGEN__)

void secure_storage_its_transform_aead_get_scheme(psa_key_type_t *key_type, psa_algorithm_t *alg);
 
#endif /* CONFIG_SECURE_STORAGE_ITS_TRANSFORM_AEAD_SCHEME_IS_CONFIGURABLE */
 
#if !defined(CONFIG_SECURE_STORAGE_ITS_TRANSFORM_AEAD_CRYPT_CUSTOM) || defined(__DOXYGEN__)

psa_status_t secure_storage_its_transform_aead_get_key(
                secure_storage_its_uid_t uid,
                uint8_t key[static CONFIG_SECURE_STORAGE_ITS_TRANSFORM_AEAD_KEY_SIZE]);
 
#endif /* SECURE_STORAGE_ITS_TRANSFORM_AEAD_CRYPT_CUSTOM */

psa_status_t secure_storage_its_transform_aead_get_nonce(
                uint8_t nonce[static CONFIG_SECURE_STORAGE_ITS_TRANSFORM_AEAD_NONCE_SIZE]);
 
#endif