.. first_boot_enc .. code-block:: none rst:0x1 (POWERON),boot:0xc (SPI_FAST_FLASH_BOOT) SPIWP:0xee mode:DIO, clock div:1 load:0x4083cfd0,len:0xc0c load:0x4083efd0,len:0x45c0 load:0x40846248,len:0x2b48 entry 0x4083cfd0 I (25) boot: ESP-IDF v5.1-dev-4270-g4bff4ed6e5 2nd stage bootloader I (25) boot: compile time Mar 27 2023 16:40:47 I (26) boot: chip revision: v0.0 I (29) boot.esp32h2: SPI Speed : 64MHz I (34) boot.esp32h2: SPI Mode : DIO I (39) boot.esp32h2: SPI Flash Size : 2MB I (44) boot: Enabling RNG early entropy source... W (49) bootloader_random: bootloader_random_enable() has not been implemented yet I (57) boot: Partition Table: I (61) boot: ## Label Usage Type ST Offset Length I (68) boot: 0 nvs WiFi data 01 02 0000a000 00006000 I (76) boot: 1 storage Unknown data 01 ff 00010000 00001000 I (83) boot: 2 factory factory app 00 00 00020000 00100000 I (90) boot: 3 nvs_key NVS keys 01 04 00120000 00001000 I (98) boot: 4 custom_nvs WiFi data 01 02 00121000 00006000 I (106) boot: End of partition table I (110) esp_image: segment 0: paddr=00020020 vaddr=42020020 size=096e0h ( 38624) map I (128) esp_image: segment 1: paddr=00029708 vaddr=40800000 size=06910h ( 26896) load I (135) esp_image: segment 2: paddr=00030020 vaddr=42000020 size=1b708h (112392) map I (163) esp_image: segment 3: paddr=0004b730 vaddr=40806910 size=02a08h ( 10760) load I (167) esp_image: segment 4: paddr=0004e140 vaddr=40809320 size=00e5ch ( 3676) load I (172) boot: Loaded app from partition at offset 0x20000 I (175) boot: Checking flash encryption... I (180) efuse: Batch mode of writing fields is enabled I (186) flash_encrypt: Generating new flash encryption key... I (194) efuse: Writing EFUSE_BLK_KEY0 with purpose 4 W (198) flash_encrypt: Not disabling UART bootloader encryption I (204) flash_encrypt: Disable JTAG... I (212) efuse: BURN BLOCK4 I (219) efuse: BURN BLOCK4 - OK (write block == read block) I (221) efuse: BURN BLOCK0 I (227) efuse: BURN BLOCK0 - OK (write block == read block) I (231) efuse: Batch mode. Prepared fields are committed I (236) esp_image: segment 0: paddr=00000020 vaddr=4083cfd0 size=00c0ch ( 3084) I (245) esp_image: segment 1: paddr=00000c34 vaddr=4083efd0 size=045c0h ( 17856) I (255) esp_image: segment 2: paddr=000051fc vaddr=40846248 size=02b48h ( 11080) I (381) flash_encrypt: bootloader encrypted successfully I (396) flash_encrypt: partition table encrypted and loaded successfully I (397) flash_encrypt: Encrypting partition 1 at offset 0x10000 (length 0x1000)... I (411) flash_encrypt: Done encrypting I (412) esp_image: segment 0: paddr=00020020 vaddr=42020020 size=096e0h ( 38624) map I (423) esp_image: segment 1: paddr=00029708 vaddr=40800000 size=06910h ( 26896) I (430) esp_image: segment 2: paddr=00030020 vaddr=42000020 size=1b708h (112392) map I (458) esp_image: segment 3: paddr=0004b730 vaddr=40806910 size=02a08h ( 10760) I (461) esp_image: segment 4: paddr=0004e140 vaddr=40809320 size=00e5ch ( 3676) I (464) flash_encrypt: Encrypting partition 2 at offset 0x20000 (length 0x100000)... I (3600) flash_encrypt: Done encrypting I (3600) flash_encrypt: Encrypting partition 3 at offset 0x120000 (length 0x1000)... I (3612) flash_encrypt: Done encrypting I (3613) efuse: BURN BLOCK0 I (3616) efuse: BURN BLOCK0 - OK (all write block bits are set) I (3617) flash_encrypt: Flash encryption completed I (3622) boot: Resetting with flash encryption enabled... ------ .. already_en_enc .. code-block:: none rst:0x3 (LP_SW_HPSYS),boot:0xc (SPI_FAST_FLASH_BOOT) Saved PC:0x400031a6 SPIWP:0xee mode:DIO, clock div:1 load:0x4083cfd0,len:0xc0c load:0x4083efd0,len:0x45c0 load:0x40846248,len:0x2b48 entry 0x4083cfd0 I (27) boot: ESP-IDF v5.1-dev-4270-g4bff4ed6e5 2nd stage bootloader I (28) boot: compile time Mar 27 2023 16:40:47 I (28) boot: chip revision: v0.0 I (32) boot.esp32h2: SPI Speed : 64MHz I (37) boot.esp32h2: SPI Mode : DIO I (41) boot.esp32h2: SPI Flash Size : 2MB I (46) boot: Enabling RNG early entropy source... W (51) bootloader_random: bootloader_random_enable() has not been implemented yet I (60) boot: Partition Table: I (63) boot: ## Label Usage Type ST Offset Length I (71) boot: 0 nvs WiFi data 01 02 0000a000 00006000 I (78) boot: 1 storage Unknown data 01 ff 00010000 00001000 I (86) boot: 2 factory factory app 00 00 00020000 00100000 I (93) boot: 3 nvs_key NVS keys 01 04 00120000 00001000 I (100) boot: 4 custom_nvs WiFi data 01 02 00121000 00006000 I (108) boot: End of partition table I (112) esp_image: segment 0: paddr=00020020 vaddr=42020020 size=096e0h ( 38624) map I (131) esp_image: segment 1: paddr=00029708 vaddr=40800000 size=06910h ( 26896) load I (140) esp_image: segment 2: paddr=00030020 vaddr=42000020 size=1b708h (112392) map I (171) esp_image: segment 3: paddr=0004b730 vaddr=40806910 size=02a08h ( 10760) load I (175) esp_image: segment 4: paddr=0004e140 vaddr=40809320 size=00e5ch ( 3676) load I (180) boot: Loaded app from partition at offset 0x20000 I (183) boot: Checking flash encryption... I (188) flash_encrypt: flash encryption is enabled (1 plaintext flashes left) I (195) boot: Disabling RNG early entropy source... W (201) bootloader_random: bootloader_random_disable() has not been implemented yet I (221) cpu_start: Pro cpu up. W (229) clk: esp_perip_clk_init() has not been implemented yet I (236) cpu_start: Pro cpu start user code I (236) cpu_start: cpu freq: 96000000 Hz I (237) cpu_start: Application information: I (239) cpu_start: Project name: flash_encryption I (245) cpu_start: App version: v5.1-dev-4270-g4bff4ed6e5 I (251) cpu_start: Compile time: Mar 27 2023 16:40:56 I (257) cpu_start: ELF file SHA256: 42c8d825941d8050... I (263) cpu_start: ESP-IDF: v5.1-dev-4270-g4bff4ed6e5 I (270) cpu_start: Min chip rev: v0.0 I (274) cpu_start: Max chip rev: v0.99 I (279) cpu_start: Chip rev: v0.0 I (284) heap_init: Initializing. RAM available for dynamic allocation: I (291) heap_init: At 4080B010 len 00042370 (264 KiB): D/IRAM I (298) heap_init: At 4084D380 len 00002B60 (10 KiB): STACK/DIRAM I (305) spi_flash: detected chip: generic I (309) spi_flash: flash io: dio W (313) spi_flash: Detected size(4096k) larger than the size in the binary image header(2048k). Using the size in the binary image header. W (326) flash_encrypt: Flash encryption mode is DEVELOPMENT (not secure) I (334) app_start: Starting scheduler on CPU0 I (339) main_task: Started on CPU0 I (339) main_task: Calling app_main() Example to check Flash Encryption status This is esp32h2 chip with 1 CPU core(s), WiFi/BLE, silicon revision v0.0, 2MB external flash FLASH_CRYPT_CNT eFuse value is 1 Flash encryption feature is enabled in DEVELOPMENT mode ------