.. first_boot_enc .. code-block:: bash rst:0x1 (POWERON),boot:0xf (SPI_FAST_FLASH_BOOT) SPIWP:0xee mode:DIO, clock div:2 load:0x3fcd6260,len:0x1b8 load:0x3fcd6418,len:0x2538 load:0x403ce000,len:0x704 load:0x403d0000,len:0x34f0 entry 0x403ce03e I (12) boot: ESP-IDF qa-test-v4.3-20201113-766-g870d 2nd stage bootloader I (13) boot: compile time 12:10:57 I (13) boot: chip revision: 0 I (16) boot.esp32c3: SPI Speed : 40MHz I (17) boot.esp32c3: SPI Mode : DIO I (19) boot.esp32c3: SPI Flash Size : 2MB I (22) boot: Enabling RNG early entropy source... I (28) boot: Partition Table: I (30) boot: ## Label Usage Type ST Offset Length I (33) boot: 0 nvs WiFi data 01 02 0000a000 00006000 I (37) boot: 1 storage Unknown data 01 ff 00010000 00001000 I (41) boot: 2 factory factory app 00 00 00020000 00100000 I (44) boot: End of partition table I (46) esp_image: segment 0: paddr=0x00020020 vaddr=0x3c020020 size=0x05508 ( 21768) map I (61) esp_image: segment 1: paddr=0x00025530 vaddr=0x3fc88780 size=0x014cc ( 5324) load I (64) esp_image: segment 2: paddr=0x00026a04 vaddr=0x40380000 size=0x08780 ( 34688) load 0x40380000: _vector_table at ??:? I (81) esp_image: segment 3: paddr=0x0002f18c vaddr=0x00000000 size=0x00e8c ( 3724) I (84) esp_image: segment 4: paddr=0x00030020 vaddr=0x42000020 size=0x171a8 ( 94632) map 0x42000020: esp_ota_get_app_description at /home/marius/clean/esp-idf_2/components/app_update/esp_app_desc.c:63 I (132) boot: Loaded app from partition at offset 0x20000 I (133) boot: Checking flash encryption... I (137) efuse: Batch mode of writing fields is enabled I (140) flash_encrypt: Generating new flash encryption key... I (144) efuse: Writing EFUSE_BLK_KEY0 with purpose 4 W (148) flash_encrypt: Not disabling UART bootloader encryption I (152) flash_encrypt: Disable UART bootloader cache... I (155) flash_encrypt: Disable JTAG... I (161) efuse: Batch mode. Prepared fields are committed I (162) esp_image: segment 0: paddr=0x00000020 vaddr=0x3fcd6260 size=0x001b8 ( 440) I (164) esp_image: segment 1: paddr=0x000001e0 vaddr=0x3fcd6418 size=0x02538 ( 9528) I (173) esp_image: segment 2: paddr=0x00002720 vaddr=0x403ce000 size=0x00704 ( 1796) I (174) esp_image: segment 3: paddr=0x00002e2c vaddr=0x403d0000 size=0x034f0 ( 13552) I (571) flash_encrypt: bootloader encrypted successfully I (627) flash_encrypt: partition table encrypted and loaded successfully I (628) flash_encrypt: Encrypting partition 1 at offset 0x10000 (length 0x1000)... I (685) flash_encrypt: Done encrypting I (686) esp_image: segment 0: paddr=0x00020020 vaddr=0x3c020020 size=0x05508 ( 21768) map I (696) esp_image: segment 1: paddr=0x00025530 vaddr=0x3fc88780 size=0x014cc ( 5324) I (699) esp_image: segment 2: paddr=0x00026a04 vaddr=0x40380000 size=0x08780 ( 34688) 0x40380000: _vector_table at ??:? I (715) esp_image: segment 3: paddr=0x0002f18c vaddr=0x00000000 size=0x00e8c ( 3724) I (717) esp_image: segment 4: paddr=0x00030020 vaddr=0x42000020 size=0x171a8 ( 94632) map 0x42000020: esp_ota_get_app_description at /home/marius/clean/esp-idf_2/components/app_update/esp_app_desc.c:63 I (760) flash_encrypt: Encrypting partition 2 at offset 0x20000 (length 0x100000)... I (14797) flash_encrypt: Done encrypting I (14801) flash_encrypt: Flash encryption completed I (14802) boot: Resetting with flash encryption enabled... ------ .. already_en_enc .. code-block:: bash rst:0x3 (RTC_SW_SYS_RST),boot:0xf (SPI_FAST_FLASH_BOOT) Saved PC:0x403d0dde SPIWP:0xee mode:DIO, clock div:2 load:0x3fcd6260,len:0x1b8 load:0x3fcd6418,len:0x2538 load:0x403ce000,len:0x704 load:0x403d0000,len:0x34f0 entry 0x403ce03e I (15) boot: ESP-IDF qa-test-v4.3-20201113-766-g870d 2nd stage bootloader I (15) boot: compile time 12:10:57 I (16) boot: chip revision: 0 I (19) boot.esp32c3: SPI Speed : 40MHz I (19) boot.esp32c3: SPI Mode : DIO I (22) boot.esp32c3: SPI Flash Size : 2MB I (24) boot: Enabling RNG early entropy source... I (30) boot: Partition Table: I (32) boot: ## Label Usage Type ST Offset Length I (36) boot: 0 nvs WiFi data 01 02 0000a000 00006000 I (39) boot: 1 storage Unknown data 01 ff 00010000 00001000 I (43) boot: 2 factory factory app 00 00 00020000 00100000 I (47) boot: End of partition table I (49) esp_image: segment 0: paddr=0x00020020 vaddr=0x3c020020 size=0x05508 ( 21768) map I (64) esp_image: segment 1: paddr=0x00025530 vaddr=0x3fc88780 size=0x014cc ( 5324) load I (67) esp_image: segment 2: paddr=0x00026a04 vaddr=0x40380000 size=0x08780 ( 34688) load 0x40380000: _vector_table at ??:? I (86) esp_image: segment 3: paddr=0x0002f18c vaddr=0x00000000 size=0x00e8c ( 3724) I (88) esp_image: segment 4: paddr=0x00030020 vaddr=0x42000020 size=0x171a8 ( 94632) map 0x42000020: esp_ota_get_app_description at /home/marius/clean/esp-idf_2/components/app_update/esp_app_desc.c:63 I (139) boot: Loaded app from partition at offset 0x20000 I (139) boot: Checking flash encryption... I (144) flash_encrypt: flash encryption is enabled (1 plaintext flashes left) I (148) boot: Disabling RNG early entropy source... I (160) cpu_start: Pro cpu start user code I (160) cpu_start: cpu freq: 40000000 I (161) cpu_start: Application information: I (161) cpu_start: Project name: flash_encryption I (164) cpu_start: App version: qa-test-v4.3-20201113-766-g870d I (168) cpu_start: Compile time: Dec 21 2020 12:10:55 I (171) cpu_start: ELF file SHA256: 209e8947c2e6a6a6... I (174) cpu_start: ESP-IDF: qa-test-v4.3-20201113-766-g870d I (178) heap_init: Initializing. RAM available for dynamic allocation: I (181) heap_init: At 3FC8A9F0 len 00035610 (213 KiB): D/IRAM I (184) heap_init: At 3FCC0000 len 0001F260 (124 KiB): STACK/DRAM I (188) heap_init: At 50000000 len 00002000 (8 KiB): FAKEDRAM W (192) flash_encrypt: Flash encryption mode is DEVELOPMENT (not secure) I (195) spi_flash: detected chip: gd I (197) spi_flash: flash io: dio W (199) spi_flash: Detected size(4096k) larger than the size in the binary image header(2048k). Using the size in the binary image header. I (207) cpu_start: Starting scheduler. Example to check Flash Encryption status This is esp32c3 chip with 1 CPU core(s), WiFi/BLE, silicon revision 0, 2MB external flash FLASH_CRYPT_CNT eFuse value is 1 Flash encryption feature is enabled in DEVELOPMENT mode ------