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Espressif Systems /ESP32-P4 /EFUSE /RD_REPEAT_DATA1

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Interpret as RD_REPEAT_DATA1

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31282724232019161512118743000000000000000000000000000000000000000000KM_HUK_GEN_STATE_HIGH0KM_RND_SWITCH_CYCLE0KM_DEPLOY_ONLY_ONCE0FORCE_USE_KEY_MANAGER_KEY0 (FORCE_DISABLE_SW_INIT_KEY)FORCE_DISABLE_SW_INIT_KEY0 (XTS_KEY_LENGTH_256)XTS_KEY_LENGTH_2560WDT_DELAY_SEL0SPI_BOOT_CRYPT_CNT0 (SECURE_BOOT_KEY_REVOKE0)SECURE_BOOT_KEY_REVOKE00 (SECURE_BOOT_KEY_REVOKE1)SECURE_BOOT_KEY_REVOKE10 (SECURE_BOOT_KEY_REVOKE2)SECURE_BOOT_KEY_REVOKE20KEY_PURPOSE_00KEY_PURPOSE_1

Description

BLOCK0 data register 2.

Fields

KM_HUK_GEN_STATE_HIGH

Set this bit to control validation of HUK generate mode. Odd of 1 is invalid, even of 1 is valid.
KM_RND_SWITCH_CYCLE

Set bits to control key manager random number switch cycle. 0: control by register. 1: 8 km clk cycles. 2: 16 km cycles. 3: 32 km cycles.
KM_DEPLOY_ONLY_ONCE

Set each bit to control whether corresponding key can only be deployed once. 1 is true, 0 is false. Bit0: ecdsa. Bit1: xts. Bit2: hmac. Bit3: ds.
FORCE_USE_KEY_MANAGER_KEY

Set each bit to control whether corresponding key must come from key manager… 1 is true, 0 is false. Bit0: ecdsa. Bit1: xts. Bit2: hmac. Bit3: ds.
FORCE_DISABLE_SW_INIT_KEY

Set this bit to disable software written init key, and force use efuse_init_key.
XTS_KEY_LENGTH_256

Set this bit to configure flash encryption use xts-128 key, else use xts-256 key.
WDT_DELAY_SEL

Represents whether RTC watchdog timeout threshold is selected at startup. 1: selected. 0: not selected.
SPI_BOOT_CRYPT_CNT

Represents whether SPI boot encrypt/decrypt is disabled or enabled. Odd number of 1: enabled. Even number of 1: disabled.
SECURE_BOOT_KEY_REVOKE0

Represents whether revoking first secure boot key is enabled or disabled. 1: enabled. 0: disabled.
SECURE_BOOT_KEY_REVOKE1

Represents whether revoking second secure boot key is enabled or disabled. 1: enabled. 0: disabled.
SECURE_BOOT_KEY_REVOKE2

Represents whether revoking third secure boot key is enabled or disabled. 1: enabled. 0: disabled.
KEY_PURPOSE_0

Represents the purpose of Key0.
KEY_PURPOSE_1

Represents the purpose of Key1.

Links

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Register License

Copyright 2024 Espressif Systems (Shanghai) PTE LTD

Licensed under the Apache License, Version 2.0 (the “License”); you may not use this file except in compliance with the License. You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an “AS IS” BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

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Register Reference

https://github.com/cmsis-svd/cmsis-svd-data