Commit graph

15 commits

Author SHA1 Message Date
Angus Gratton
ec331b3979 flash encryption: Add config option to disable any plaintext reflashes
Enabled by default when Secure Boot is on, so Flash Encryption protection
is always available in case of a Secure Boot bypass.
2019-09-05 18:54:29 +10:00
Angus Gratton
5bb5670d69 efuse/flash encryption: Reduce FLASH_CRYPT_CNT to a 7 bit efuse field
8th bit is not used by hardware.

As reported https://esp32.com/viewtopic.php?f=2&t=7800&p=40895#p40894
2019-04-12 07:28:57 +00:00
Angus Gratton
60c556eb55 docs: flash encryption: Fix description of behaviour when all bits of FLASH_CRYPT_CNT are set
Correct behaviour is described in section 25.3.3 Flash Decryption Block of the ESP32 TRM
2018-12-05 11:20:05 +11:00
Angus Gratton
67bdc8aaf4 doc: security: Use less ambiguous language about using bot flash encryption & secure boot together 2018-12-05 11:20:05 +11:00
Angus Gratton
f53fef9936 Secure Boot & Flash encryption: Support 3/4 Coding Scheme
Includes esptool update to v2.6-beta1
2018-10-16 16:24:10 +11:00
Sagar Bijwe
454b69d2ea nvs_flash: Update documentation at different places to indicate NVS encryotion is supported 2018-10-05 14:05:21 +05:30
Angus Gratton
8721173109 doc: Replace :envvar: config links with :ref: 2018-09-19 17:27:48 +10:00
Sagar Bijwe
b27773e87c docs: Added more wordings to capture secure boot and flash encryption dependency. 2018-08-14 11:27:29 +05:30
Angus Gratton
f2a3429812 partition table: Document 'flags' properly 2018-08-01 19:23:38 +10:00
Angus Gratton
cee6d7d5a9 docs: Add more ReST-isms in secure boot & flash encryption docs
(Original version of these docs were in Markdown.)
2018-07-16 11:52:52 +10:00
Angus Gratton
6a498bfe2b docs: Add note about bootloader size for flash encryption & secure boot 2018-07-16 11:52:52 +10:00
Angus Gratton
8b5a2ccb8d docs: Update Flash Encryption docs to clarify reflashing options 2018-07-13 16:18:07 +10:00
Mahavir Jain
6e48e52478 docs: fix flash_encryption key generation command
Signed-off-by: Mahavir Jain <mahavir@espressif.com>
2018-06-06 18:21:00 +05:30
Hrishikesh Dhayagude
d530036ad1 Fix few typos in the docs
Signed-off-by: Hrishikesh Dhayagude <hrishi@espressif.com>
2018-05-03 18:20:16 +05:30
krzychb
097adc3a33 Moved files into separate folders per 'en' and 'zh_CN' language version and linked 'zh_CN' files back to 'en' files if translation is not yet available 2018-03-13 21:57:08 +01:00
Renamed from docs/security/flash-encryption.rst (Browse further)