mirror of https://github.com/ARMmbed/mbed-os.git
65 lines
2.5 KiB
C
65 lines
2.5 KiB
C
/* Copyright (C) 2019, ARM Limited, All Rights Reserved
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* SPDX-License-Identifier: Apache-2.0
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*
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* Licensed under the Apache License, Version 2.0 (the "License"); you may
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* not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/** @file
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@brief This file includes common definitions for PSA storage
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*/
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#ifndef __PSA_STORAGE_COMMON_H__
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#define __PSA_STORAGE_COMMON_H__
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#include <stddef.h>
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#include <stdint.h>
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#include "psa/error.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/** \brief Flags used when creating a data entry
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*/
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typedef uint32_t psa_storage_create_flags_t;
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#define PSA_STORAGE_FLAG_NONE 0 /**< No flags to pass */
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#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`*/
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#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 */
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#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. */
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/** \brief A type for UIDs used for identifying data
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*/
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typedef uint64_t psa_storage_uid_t;
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/**
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* \brief A container for metadata associated with a specific uid
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*/
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struct psa_storage_info_t {
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size_t capacity; /**< The allocated capacity of the storage associated with a UID **/
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size_t size; /**< The size of the data associated with a uid **/
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psa_storage_create_flags_t flags; /**< The flags set when the uid was created **/
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};
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/** \brief Flag indicating that \ref psa_storage_create and \ref psa_storage_set_extended are supported */
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#define PSA_STORAGE_SUPPORT_SET_EXTENDED (1 << 0)
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/** \brief PSA storage specific error codes */
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#define PSA_ERROR_DATA_CORRUPT ((psa_status_t)-152)
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#ifdef __cplusplus
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}
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#endif
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#endif // __PSA_STORAGE_COMMON_H__
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