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"""
Cryptoauthlib Device Configuration
"""
# Copyright (C) 2015-2026 Microchip Technology Inc. and its subsidiaries.
#
# Subject to your compliance with these terms, you may use Microchip software
# and any derivatives exclusively with Microchip products. It is your
# responsibility to comply with third party license terms applicable to your
# use of third party software (including open source software) that may
# accompany Microchip software.
#
# THIS SOFTWARE IS SUPPLIED BY MICROCHIP "AS IS". NO WARRANTIES, WHETHER
# EXPRESS, IMPLIED OR STATUTORY, APPLY TO THIS SOFTWARE, INCLUDING ANY IMPLIED
# WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY, AND FITNESS FOR A
# PARTICULAR PURPOSE. IN NO EVENT WILL MICROCHIP BE LIABLE FOR ANY INDIRECT,
# SPECIAL, PUNITIVE, INCIDENTAL OR CONSEQUENTIAL LOSS, DAMAGE, COST OR EXPENSE
# OF ANY KIND WHATSOEVER RELATED TO THE SOFTWARE, HOWEVER CAUSED, EVEN IF
# MICROCHIP HAS BEEN ADVISED OF THE POSSIBILITY OR THE DAMAGES ARE
# FORESEEABLE. TO THE FULLEST EXTENT ALLOWED BY LAW, MICROCHIP'S TOTAL
# LIABILITY ON ALL CLAIMS IN ANY WAY RELATED TO THIS SOFTWARE WILL NOT EXCEED
# THE AMOUNT OF FEES, IF ANY, THAT YOU HAVE PAID DIRECTLY TO MICROCHIP FOR
# THIS SOFTWARE.
from ctypes import Structure, c_uint16, c_uint8
from .library import AtcaStructure
# Because this module directly mirrors the C api the following is an exception to the python coding standard
# pylint: disable-msg=too-few-public-methods
class AesEnable(Structure):
"""AES Enable (608) Field Definition """
_fields_ = [('Enable', c_uint8, 1),
('Reserved', c_uint8, 6)]
_pack_ = 1
class I2cEnable(Structure):
"""I2C Enable Field Definition """
_fields_ = [('Enable', c_uint8, 1),
('Reserved', c_uint8, 6)]
_pack_ = 1
class CountMatch(Structure):
"""CountMatch (608) Field Definition """
_fields_ = [('Enable', c_uint8, 1),
('Reserved', c_uint8, 3),
('CountMatchKey', c_uint8, 4)]
_pack_ = 1
class ChipMode508(Structure):
"""ChipMode for 508 Field Definition """
_fields_ = [('UserExtraAdd', c_uint8, 1),
('TTLenable', c_uint8, 1),
('WatchdogDuration', c_uint8, 1)]
_pack_ = 1
class ChipMode608(Structure):
"""ChipMode for 608 Field Definition """
_fields_ = [('UserExtraAdd', c_uint8, 1),
('TTLenable', c_uint8, 1),
('WatchdogDuration', c_uint8, 1),
('ClockDivider', c_uint8, 5)]
_pack_ = 1
class Counter204(Structure):
"""Counter Definition for SHA204 """
_fields_ = [('UseFlag', c_uint8),
('UpdateCount', c_uint8)]
_pack_ = 1
class SlotConfig(Structure):
"""Slot Configuration Field Definition """
_fields_ = [('ReadKey', c_uint16, 4),
('NoMac', c_uint16, 1),
('LimitedUse', c_uint16, 1),
('EncryptRead', c_uint16, 1),
('IsSecret', c_uint16, 1),
('WriteKey', c_uint16, 4),
('WriteConfig', c_uint16, 4)]
_pack_ = 1
class UseLock(Structure):
"""UseLock Field Definition """
_fields_ = [('UseLockEnable', c_uint8, 4),
('UseLockKey', c_uint8, 4)]
_pack_ = 1
class VolatileKeyPermission(Structure):
"""VolatileKeyPermission Field Definition """
_fields_ = [('VolatileKeyPermitSlot', c_uint8, 4),
('Reserved', c_uint8, 3),
('VolatileKeyPermitEnable', c_uint8, 1)]
_pack_ = 1
class SecureBoot(Structure):
"""SecureBoot Field Definition """
_fields_ = [('SecureBootMode', c_uint16, 2),
('Reserved0', c_uint16, 1),
('SecureBootPersistentEnable', c_uint16, 1),
('SecureBootRandNonce', c_uint16, 1),
('Reserved1', c_uint16, 3),
('SecureBootSigDig', c_uint16, 4),
('SecureBootPubKey', c_uint16, 4)]
_pack_ = 1
class ChipOptions(Structure):
"""ChipOptions Field Definition """
_fields_ = [('PowerOnSelfTest', c_uint16, 1),
('IoProtectionKeyEnable', c_uint16, 1),
('KdfAesEnable', c_uint16, 1),
('AutoClearFirstFail', c_uint16, 1),
('Reserved', c_uint16, 4),
('EcdhProtectionBits', c_uint16, 2),
('KdfProtectionBits', c_uint16, 2),
('IoProtectionKey', c_uint16, 4)]
_pack_ = 1
class X509Format(Structure):
"""X509Format Field Definition """
_fields_ = [('PublicPosition', c_uint8, 4),
('TemplateLength', c_uint8, 4)]
_pack_ = 1
class KeyConfig(Structure):
"""KeyConfig Field Definition """
_fields_ = [('Private', c_uint16, 1),
('PubInfo', c_uint16, 1),
('KeyType', c_uint16, 3),
('Lockable', c_uint16, 1),
('ReqRandom', c_uint16, 1),
('ReqAuth', c_uint16, 1),
('AuthKey', c_uint16, 4),
('PersistentDisable', c_uint16, 1),
('RFU', c_uint16, 1),
('X509id', c_uint16, 2)]
_pack_ = 1
class Atsha204aConfig(AtcaStructure):
"""ATSHA204A Config Zone Definition """
_fields_ = [('SN03', c_uint8*4),
('RevNum', c_uint8*4),
('SN48', c_uint8*5),
('Reserved13', c_uint8),
('I2C_Enable', I2cEnable),
('Reserved15', c_uint8),
('I2C_Address', c_uint8),
('CheckMacConfig', c_uint8),
('OTPmode', c_uint8),
('SelectorMode', c_uint8),
('SlotConfig', SlotConfig*16),
('Counter', Counter204*8),
('LastKeyUse', c_uint8*16),
('UserExtra', c_uint8),
('Selector', c_uint8),
('LockValue', c_uint8),
('LockConfig', c_uint8)]
_pack_ = 1
class Atecc508aConfig(AtcaStructure):
"""ATECC508A Config Zone Definition """
_fields_ = [('SN03', c_uint8*4),
('RevNum', c_uint8*4),
('SN48', c_uint8*5),
('Reserved13', c_uint8),
('I2C_Enable', I2cEnable),
('Reserved15', c_uint8),
('I2C_Address', c_uint8),
('Reserved17', c_uint8),
('OTPmode', c_uint8),
('ChipMode', ChipMode508),
('SlotConfig', SlotConfig*16),
('Counter0', c_uint8*8),
('Counter1', c_uint8*8),
('LastKeyUse', c_uint8*16),
('UserExtra', c_uint8),
('Selector', c_uint8),
('LockValue', c_uint8),
('LockConfig', c_uint8),
('SlotLocked', c_uint16),
('RFU', c_uint16),
('X509format', X509Format*4),
('KeyConfig', KeyConfig*16)]
_pack_ = 1
class Atecc608Config(AtcaStructure):
"""ATECC608 Config Zone Definition """
_fields_ = [('SN03', c_uint8*4),
('RevNum', c_uint8*4),
('SN48', c_uint8*5),
('AES_Enable', AesEnable),
('I2C_Enable', I2cEnable),
('Reserved15', c_uint8),
('I2C_Address', c_uint8),
('Reserved17', c_uint8),
('CountMatch', CountMatch),
('ChipMode', ChipMode608),
('SlotConfig', SlotConfig*16),
('Counter0', c_uint8*8),
('Counter1', c_uint8*8),
('UseLock', UseLock),
('VolatileKeyPermission', VolatileKeyPermission),
('SecureBoot', SecureBoot),
('KdfIvLoc', c_uint8),
('KdfIvStr', c_uint8*2),
('Reserved68', c_uint8*9),
('UserExtra', c_uint8),
('UserExtraAdd', c_uint8),
('LockValue', c_uint8),
('LockConfig', c_uint8),
('SlotLocked', c_uint16),
('ChipOptions', ChipOptions),
('X509format', X509Format*4),
('KeyConfig', KeyConfig*16)]
_pack_ = 1
__all__ = ['Atsha204aConfig', 'Atecc508aConfig', 'Atecc608Config']