/* Copyright (C) 2019, ARM Limited, All Rights Reserved * SPDX-License-Identifier: Apache-2.0 * * Licensed under the Apache License, Version 2.0 (the "License"); you may * not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ /** @file @brief This file includes common definitions for PSA storage */ #ifndef __PSA_STORAGE_COMMON_H__ #define __PSA_STORAGE_COMMON_H__ #include <stddef.h> #include <stdint.h> #include "psa/error.h" #ifdef __cplusplus extern "C" { #endif /** \brief Flags used when creating a data entry */ typedef uint32_t psa_storage_create_flags_t; #define PSA_STORAGE_FLAG_NONE 0 /**< No flags to pass */ #define PSA_STORAGE_FLAG_WRITE_ONCE (1 << 0) /**< The data associated with the uid will not be able to be modified or deleted. Intended to be used to set bits in `psa_storage_create_flags_t`*/ #define PSA_STORAGE_FLAG_NO_CONFIDENTIALITY (1 << 1) /**< The data associated with the uid is public and therefore does not require confidentiality. It therefore only needs to be integrity protected */ #define PSA_STORAGE_FLAG_NO_REPLAY_PROTECTION (1 << 2) /**< The data associated with the uid does not require replay protection. This may permit faster storage - but it permits an attecker with physical access to revert to an earlier version of the data. */ /** \brief A type for UIDs used for identifying data */ typedef uint64_t psa_storage_uid_t; /** * \brief A container for metadata associated with a specific uid */ struct psa_storage_info_t { size_t capacity; /**< The allocated capacity of the storage associated with a UID **/ size_t size; /**< The size of the data associated with a uid **/ psa_storage_create_flags_t flags; /**< The flags set when the uid was created **/ }; /** \brief Flag indicating that \ref psa_storage_create and \ref psa_storage_set_extended are supported */ #define PSA_STORAGE_SUPPORT_SET_EXTENDED (1 << 0) /** \brief PSA storage specific error codes */ #define PSA_ERROR_DATA_CORRUPT ((psa_status_t)-152) #ifdef __cplusplus } #endif #endif // __PSA_STORAGE_COMMON_H__