.. first_boot_enc .. code-block:: none --- idf_monitor on /dev/cu.SLAB_USBtoUART 115200 --- --- Quit: Ctrl+] | Menu: Ctrl+T | Help: Ctrl+T followed by Ctrl+H --- ets Jun 8 2016 00:22:57 rst:0x1 (POWERON_RESET),boot:0x13 (SPI_FAST_FLASH_BOOT) configsip: 0, SPIWP:0xee clk_drv:0x00,q_drv:0x00,d_drv:0x00,cs0_drv:0x00,hd_drv:0x00,wp_drv:0x00 mode:DIO, clock div:2 load:0x3fff0018,len:4 load:0x3fff001c,len:8452 load:0x40078000,len:13608 load:0x40080400,len:6664 entry 0x40080764 I (28) boot: ESP-IDF v4.0-dev-850-gc4447462d-dirty 2nd stage bootloader I (29) boot: compile time 15:37:14 I (30) boot: Enabling RNG early entropy source... I (35) boot: SPI Speed : 40MHz I (39) boot: SPI Mode : DIO I (43) boot: SPI Flash Size : 4MB I (47) boot: Partition Table: I (51) boot: ## Label Usage Type ST Offset Length I (58) boot: 0 nvs WiFi data 01 02 0000a000 00006000 I (66) boot: 1 phy_init RF data 01 01 00010000 00001000 I (73) boot: 2 factory factory app 00 00 00020000 00100000 I (81) boot: End of partition table I (85) esp_image: segment 0: paddr=0x00020020 vaddr=0x3f400020 size=0x0808c ( 32908) map I (105) esp_image: segment 1: paddr=0x000280b4 vaddr=0x3ffb0000 size=0x01ea4 ( 7844) load I (109) esp_image: segment 2: paddr=0x00029f60 vaddr=0x40080000 size=0x00400 ( 1024) load 0x40080000: _WindowOverflow4 at esp-idf/esp-idf/components/freertos/xtensa_vectors.S:1778 I (114) esp_image: segment 3: paddr=0x0002a368 vaddr=0x40080400 size=0x05ca8 ( 23720) load I (132) esp_image: segment 4: paddr=0x00030018 vaddr=0x400d0018 size=0x126a8 ( 75432) map 0x400d0018: _flash_cache_start at ??:? I (159) esp_image: segment 5: paddr=0x000426c8 vaddr=0x400860a8 size=0x01f4c ( 8012) load 0x400860a8: prvAddNewTaskToReadyList at esp-idf/esp-idf/components/freertos/tasks.c:4561 I (168) boot: Loaded app from partition at offset 0x20000 I (168) boot: Checking flash encryption... I (168) flash_encrypt: Generating new flash encryption key... I (187) flash_encrypt: Read & write protecting new key... I (187) flash_encrypt: Setting CRYPT_CONFIG efuse to 0xF W (188) flash_encrypt: Not disabling UART bootloader encryption I (195) flash_encrypt: Disable UART bootloader decryption... I (201) flash_encrypt: Disable UART bootloader MMU cache... I (208) flash_encrypt: Disable JTAG... I (212) flash_encrypt: Disable ROM BASIC interpreter fallback... I (219) esp_image: segment 0: paddr=0x00001020 vaddr=0x3fff0018 size=0x00004 ( 4) I (227) esp_image: segment 1: paddr=0x0000102c vaddr=0x3fff001c size=0x02104 ( 8452) I (239) esp_image: segment 2: paddr=0x00003138 vaddr=0x40078000 size=0x03528 ( 13608) I (249) esp_image: segment 3: paddr=0x00006668 vaddr=0x40080400 size=0x01a08 ( 6664) I (657) esp_image: segment 0: paddr=0x00020020 vaddr=0x3f400020 size=0x0808c ( 32908) map I (669) esp_image: segment 1: paddr=0x000280b4 vaddr=0x3ffb0000 size=0x01ea4 ( 7844) I (672) esp_image: segment 2: paddr=0x00029f60 vaddr=0x40080000 size=0x00400 ( 1024) 0x40080000: _WindowOverflow4 at esp-idf/esp-idf/components/freertos/xtensa_vectors.S:1778 I (676) esp_image: segment 3: paddr=0x0002a368 vaddr=0x40080400 size=0x05ca8 ( 23720) I (692) esp_image: segment 4: paddr=0x00030018 vaddr=0x400d0018 size=0x126a8 ( 75432) map 0x400d0018: _flash_cache_start at ??:? I (719) esp_image: segment 5: paddr=0x000426c8 vaddr=0x400860a8 size=0x01f4c ( 8012) 0x400860a8: prvAddNewTaskToReadyList at esp-idf/esp-idf/components/freertos/tasks.c:4561 I (722) flash_encrypt: Encrypting partition 2 at offset 0x20000... I (13229) flash_encrypt: Flash encryption completed I (13229) boot: Resetting with flash encryption enabled... ------ .. already_en_enc .. code-block:: none rst:0x1 (POWERON_RESET),boot:0x13 (SPI_FAST_FLASH_BOOT) configsip: 0, SPIWP:0xee clk_drv:0x00,q_drv:0x00,d_drv:0x00,cs0_drv:0x00,hd_drv:0x00,wp_drv:0x00 mode:DIO, clock div:2 load:0x3fff0018,len:4 load:0x3fff001c,len:8452 load:0x40078000,len:13652 ho 0 tail 12 room 4 load:0x40080400,len:6664 entry 0x40080764 I (30) boot: ESP-IDF v4.0-dev-850-gc4447462d-dirty 2nd stage bootloader I (30) boot: compile time 16:32:53 I (31) boot: Enabling RNG early entropy source... I (37) boot: SPI Speed : 40MHz I (41) boot: SPI Mode : DIO I (45) boot: SPI Flash Size : 4MB I (49) boot: Partition Table: I (52) boot: ## Label Usage Type ST Offset Length I (60) boot: 0 nvs WiFi data 01 02 0000a000 00006000 I (67) boot: 1 phy_init RF data 01 01 00010000 00001000 I (75) boot: 2 factory factory app 00 00 00020000 00100000 I (82) boot: End of partition table I (86) esp_image: segment 0: paddr=0x00020020 vaddr=0x3f400020 size=0x0808c ( 32908) map I (107) esp_image: segment 1: paddr=0x000280b4 vaddr=0x3ffb0000 size=0x01ea4 ( 7844) load I (111) esp_image: segment 2: paddr=0x00029f60 vaddr=0x40080000 size=0x00400 ( 1024) load 0x40080000: _WindowOverflow4 at esp-idf/esp-idf/components/freertos/xtensa_vectors.S:1778 I (116) esp_image: segment 3: paddr=0x0002a368 vaddr=0x40080400 size=0x05ca8 ( 23720) load I (134) esp_image: segment 4: paddr=0x00030018 vaddr=0x400d0018 size=0x126a8 ( 75432) map 0x400d0018: _flash_cache_start at ??:? I (162) esp_image: segment 5: paddr=0x000426c8 vaddr=0x400860a8 size=0x01f4c ( 8012) load 0x400860a8: prvAddNewTaskToReadyList at esp-idf/esp-idf/components/freertos/tasks.c:4561 I (171) boot: Loaded app from partition at offset 0x20000 I (171) boot: Checking flash encryption... I (171) flash_encrypt: flash encryption is enabled (3 plaintext flashes left) I (178) boot: Disabling RNG early entropy source... I (184) cpu_start: Pro cpu up. I (188) cpu_start: Application information: I (193) cpu_start: Project name: flash-encryption I (198) cpu_start: App version: v4.0-dev-850-gc4447462d-dirty I (205) cpu_start: Compile time: Jun 17 2019 16:32:52 I (211) cpu_start: ELF file SHA256: 8770c886bdf561a7... I (217) cpu_start: ESP-IDF: v4.0-dev-850-gc4447462d-dirty I (224) cpu_start: Starting app cpu, entry point is 0x40080e4c 0x40080e4c: call_start_cpu1 at esp-idf/esp-idf/components/{IDF_TARGET_PATH_NAME}/cpu_start.c:265 I (0) cpu_start: App cpu up. I (235) heap_init: Initializing. RAM available for dynamic allocation: I (241) heap_init: At 3FFAE6E0 len 00001920 (6 KiB): DRAM I (247) heap_init: At 3FFB2EC8 len 0002D138 (180 KiB): DRAM I (254) heap_init: At 3FFE0440 len 00003AE0 (14 KiB): D/IRAM I (260) heap_init: At 3FFE4350 len 0001BCB0 (111 KiB): D/IRAM I (266) heap_init: At 40087FF4 len 0001800C (96 KiB): IRAM I (273) cpu_start: Pro cpu start user code I (291) cpu_start: Starting scheduler on PRO CPU. I (0) cpu_start: Starting scheduler on APP CPU. Sample program to check Flash Encryption This is ESP32 chip with 2 CPU cores, WiFi/BT/BLE, silicon revision 1, 4MB external flash Flash encryption feature is enabled Flash encryption mode is DEVELOPMENT Flash in encrypted mode with flash_crypt_cnt = 1 Halting... ------