1 /* Copyright (c) 2024 Nordic Semiconductor 2 * SPDX-License-Identifier: Apache-2.0 3 */ 4 #ifndef PSA_STORAGE_COMMON_H 5 #define PSA_STORAGE_COMMON_H 6 /** 7 * @defgroup psa_secure_storage PSA Secure Storage API 8 * @ingroup os_services 9 * @details For more information on the PSA Secure Storage API, see the 10 * [PSA Certified Secure Storage API](https://arm-software.github.io/psa-api/storage/1.0/) 11 * specification. 12 */ 13 /** 14 * @file psa/storage_common.h 15 * @ingroup psa_secure_storage 16 * @brief Common definitions of the PSA Secure Storage API. 17 * @{ 18 */ 19 #include <psa/error.h> 20 #include <stddef.h> 21 22 /** UID type for identifying entries. */ 23 typedef uint64_t psa_storage_uid_t; 24 25 /** Flags used when creating an entry. */ 26 typedef uint32_t psa_storage_create_flags_t; 27 28 /** No flag to pass. */ 29 #define PSA_STORAGE_FLAG_NONE 0u 30 /** The data associated with the UID will not be able to be modified or deleted. */ 31 #define PSA_STORAGE_FLAG_WRITE_ONCE (1u << 0) 32 /** The data associated with the UID is public, requiring only integrity. */ 33 #define PSA_STORAGE_FLAG_NO_CONFIDENTIALITY (1u << 1) 34 /** The data associated with the UID does not require replay protection. */ 35 #define PSA_STORAGE_FLAG_NO_REPLAY_PROTECTION (1u << 2) 36 37 /** Metadata associated with a specific entry. */ 38 struct psa_storage_info_t { 39 /** The allocated capacity of the storage associated with an entry. */ 40 size_t capacity; 41 /** The size of an entry's data. */ 42 size_t size; 43 /** The flags used when the entry was created. */ 44 psa_storage_create_flags_t flags; 45 }; 46 47 /** Flag indicating that @ref psa_ps_create() and @ref psa_ps_set_extended() are supported. */ 48 #define PSA_STORAGE_SUPPORT_SET_EXTENDED (1u << 0) 49 50 /** @} */ 51 #endif 52
