Device Data Security Protection Features. Applicable mostly to EXTERNAL_NVM.
Data Fields uint32_t acls: 1 Protection against internal software attacks using ACLs. uint32_t rollback_protection: 1 Roll-back protection. Set to true if the creator of the storage can ensure that an external attacker can't force an older firmware to run or to revert back to a previous state. uint32_t tamper_proof: 1 Tamper-proof memory (will be deleted on tamper-attempts using board level or chip level sensors). uint32_t internal_flash: 1 Internal flash. uint32_t reserved1: 12 uint32_t software_attacks: 1 device software (malware running on the device).Encode support for hardening against various classes of attacks.
uint32_t board_level_attacks: 1 board level attacks (debug probes, copy protection fuses.) uint32_t chip_level_attacks: 1 chip level attacks (tamper-protection). uint32_t side_channel_attacks: 1 side channel attacks. uint32_t reserved2: 12 #define _ARM_Driver_Storage_ ( n ) Driver_Storage##n #define ARM_STORAGE_INVALID_OFFSET (0xFFFFFFFFFFFFFFFFULL)Invalid address (relative to a storage controller's address space). A storage block may never start at this address.
#define ARM_STORAGE_INVALID_ADDRESS (0xFFFFFFFFUL)Invalid address within the processor's memory address space. Refer to memory-mapped storage, i.e. ARM_DRIVER_STORAGE::ResolveAddress().
Part (or all) of the range provided to Erase() isn't erasable.
Part (or all) of the range provided to ProgramData() isn't programmable.
Part (or all) of the range to Erase() or ProgramData() is protected.
#define ARM_STORAGE_PROGRAMMABILITY_RAM (0U)Values for encoding storage memory-types with respect to programmability.
Please ensure that the maximum of the following memory types doesn't exceed 16; we encode this in a 4-bit field within ARM_STORAGE_INFO::programmability.
#define ARM_STORAGE_PROGRAMMABILITY_ROM (1U)Read-only memory.
#define ARM_STORAGE_PROGRAMMABILITY_WORM (2U)write-once-read-only-memory (WORM).
#define ARM_STORAGE_PROGRAMMABILITY_ERASABLE (3U)re-programmable based on erase. Supports multiple writes.
#define ARM_RETENTION_WHILE_DEVICE_ACTIVE (0U)Data is retained only during device activity.
Values for encoding data-retention levels for storage blocks.
Please ensure that the maximum of the following retention types doesn't exceed 16; we encode this in a 4-bit field within ARM_STORAGE_INFO::retention_level.
#define ARM_RETENTION_ACROSS_SLEEP (1U)Data is retained across processor sleep.
#define ARM_RETENTION_ACROSS_DEEP_SLEEP (2U)Data is retained across processor deep-sleep.
#define ARM_RETENTION_BATTERY_BACKED (3U)Data is battery-backed. Device can be powered off.
#define ARM_RETENTION_NVM (4U)Data is retained in non-volatile memory.
#define ARM_STORAGE_PROGRAM_CYCLES_INFINITE (0UL)Infinite or unknown endurance for reprogramming.
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