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TARGET_MBED_PSA_SRV/inc/psa/storage_common.h
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3  *
5  * not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
9  *
10  * Unless required by applicable law or agreed to in writing, software
12  * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16
17 /** @file
18 @brief This file includes common definitions for PSA storage
19 */
20
21 #ifndef __PSA_STORAGE_COMMON_H__
22 #define __PSA_STORAGE_COMMON_H__
23
24 #include <stddef.h>
25 #include <stdint.h>
26 #include "psa/error.h"
27
28 #ifdef __cplusplus
29 extern "C" {
30 #endif
31
32 /** \brief Flags used when creating a data entry
33  */
34 typedef uint32_t psa_storage_create_flags_t;
35
36 #define PSA_STORAGE_FLAG_NONE 0 /**< No flags to pass */
37 #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*/
38 #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 */
39 #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. */
40
41 /** \brief A type for UIDs used for identifying data
42  */
43 typedef uint64_t psa_storage_uid_t;
44
45 /**
46  * \brief A container for metadata associated with a specific uid
47  */
49  size_t capacity; /**< The allocated capacity of the storage associated with a UID **/
50  size_t size; /**< The size of the data associated with a uid **/
51  psa_storage_create_flags_t flags; /**< The flags set when the uid was created **/
52 };
53
54 /** \brief Flag indicating that \ref psa_storage_create and \ref psa_storage_set_extended are supported */
55 #define PSA_STORAGE_SUPPORT_SET_EXTENDED (1 << 0)
56
57 /** \brief PSA storage specific error codes */
58 #define PSA_ERROR_DATA_CORRUPT ((psa_status_t)-152)
59
60 #ifdef __cplusplus
61 }
62 #endif
63
64 #endif // __PSA_STORAGE_COMMON_H__
uint64_t psa_storage_uid_t
A type for UIDs used for identifying data.
size_t size
The size of the data associated with a uid.
size_t capacity
The allocated capacity of the storage associated with a UID.
A container for metadata associated with a specific uid.
psa_storage_create_flags_t flags
The flags set when the uid was created.
uint32_t psa_storage_create_flags_t
Flags used when creating a data entry.
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