You won't be able to pre-encrypt any binaries for this device, as you don't have the same key that it's using. If the device has completed the "First Boot" with flash encryption enabled and no key pre-burned, it will generate a random flash encryption key and write this into efuse. See this step under "Reflashing via Pregenerated Flash Encryption Key" instructions). Yes, if you plan to reflash with pre-encrypted binaries then you have to burn your flash encryption key onto the ESP32 before you do anything else. espefuse.py -port COM16 burn_key flash_encryption my_flash_encryption_key.bin) before the bootloader and flash writes? Should I manually pre-flash the encryption key into ESP32 (i.e. Is there an encryption key problem? Should I pre-flash the encryption key into ESP32 (i.e. SPI_PAD_CONFIG_CS0 Override SD_CMD pad (GPIO11/SPICS0) = 0 R/W (0x0)ĭISABLE_SDIO_HOST Disable SDIO host = 0 R/W (0x0)ĬHIP_PACKAGE Chip package identifier = 0 -/W (0x0)įlash voltage (VDD_SDIO) determined by GPIO12 on reset (High for 1.8V, Low/NC for 3.3V).Īny idea where the problem is? I have ruined half a dozen of ESP32s by now. SPI_PAD_CONFIG_HD Override SD_DATA_2 pad (GPIO9/SPIHD) = 0 R/W (0x0) SPI_PAD_CONFIG_D Override SD_DATA_1 pad (GPIO8/SPID) = 0 R/W (0x0) SPI_PAD_CONFIG_Q Override SD_DATA_0 pad (GPIO7/SPIQ) = 0 R/W (0x0) SPI_PAD_CONFIG_CLK Override SD_CLK pad (GPIO6/SPICLK) = 0 R/W (0x0) XPD_SDIO_REG If XPD_SDIO_FORCE, enable VDD_SDIO reg on reset = 0 R/W (0x0) XPD_SDIO_FORCE Ignore MTDI pin (GPIO12) for VDD_SDIO on reset = 0 R/W (0x0) KEY_STATUS Usage of efuse block 3 (reserved) = 0 R/W (0x0) RD_DIS Efuse read disablemask = 3 R/W (0x3)ĬODING_SCHEME Efuse variable block length scheme = 0 R/W (0x0) WR_DIS Efuse write disable mask = 384 R/W (0x180) FLASH_CRYPT_CNT Flash encryption mode counter = 1 R/W (0x1)įLASH_CRYPT_CONFIG Flash encryption config (key tweak bits) = 15 R/W (0xf)ĬONSOLE_DEBUG_DISABLE Disable ROM BASIC interpreter fallback = 1 R/W (0x1)ĪBS_DONE_0 secure boot enabled for bootloader = 1 R/W (0x1)ĪBS_DONE_1 secure boot abstract 1 locked = 0 R/W (0x0)ĭISABLE_DL_ENCRYPT Disable flash encryption in UART bootloader = 1 R/W (0x1)ĭISABLE_DL_DECRYPT Disable flash decryption in UART bootloader = 1 R/W (0x1)ĭISABLE_DL_CACHE Disable flash cache in UART bootloader = 1 R/W (0x1)
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