.. first_boot_enc .. code-block:: none rst:0x1 (POWERON),boot:0x1f (SPI_FAST_FLASH_BOOT) SPI mode:DIO, clock div:2 load:0x40845ce0,len:0x2b7c load:0x4083c570,len:0x740 load:0x4083ea70,len:0x3e08 entry 0x4083c5d4 I (40) boot: ESP-IDF v5.4-dev-908-g874388c628-dirty 2nd stage bootloader I (41) boot: compile time Jun 7 2024 13:56:46 I (42) boot: chip revision: v0.0 I (45) boot.esp32c61: SPI Speed : 40MHz I (50) boot.esp32c61: SPI Mode : DIO I (55) boot.esp32c61: SPI Flash Size : 2MB I (60) boot: Enabling RNG early entropy source... I (72) boot: Partition Table: I (76) boot: ## Label Usage Type ST Offset Length I (83) boot: 0 nvs WiFi data 01 02 0000e000 00006000 I (90) boot: 1 storage Unknown data 01 ff 00014000 00001000 I (98) boot: 2 factory factory app 00 00 00020000 00100000 I (105) boot: 3 nvs_key NVS keys 01 04 00120000 00001000 I (113) boot: 4 custom_nvs WiFi data 01 02 00121000 00006000 I (121) boot: End of partition table I (125) esp_image: segment 0: paddr=00020020 vaddr=42018020 size=0a39ch ( 41884) map I (155) esp_image: segment 1: paddr=0002a3c4 vaddr=40800000 size=05c54h ( 23636) load I (164) esp_image: segment 2: paddr=00030020 vaddr=42000020 size=167b0h ( 92080) map I (194) esp_image: segment 3: paddr=000467d8 vaddr=40805c54 size=01ea8h ( 7848) load I (198) esp_image: segment 4: paddr=00048688 vaddr=40807b00 size=00e84h ( 3716) load I (205) boot: Loaded app from partition at offset 0x20000 I (206) boot: Checking flash encryption... I (211) efuse: Batch mode of writing fields is enabled I (217) flash_encrypt: Generating new flash encryption key... I (233) efuse: Writing EFUSE_BLK_KEY0 with purpose 4 W (238) flash_encrypt: Not disabling UART bootloader encryption I (244) flash_encrypt: Disable UART bootloader cache... I (249) flash_encrypt: Disable JTAG... I (256) efuse: BURN BLOCK4 I (261) efuse: BURN BLOCK4 - OK (write block == read block) I (264) efuse: BURN BLOCK0 I (269) efuse: BURN BLOCK0 - OK (all write block bits are set) I (274) efuse: Batch mode. Prepared fields are committed I (279) esp_image: segment 0: paddr=00000020 vaddr=40845ce0 size=02b7ch ( 11132) I (290) esp_image: segment 1: paddr=00002ba4 vaddr=4083c570 size=00740h ( 1856) I (296) esp_image: segment 2: paddr=000032ec vaddr=4083ea70 size=03e08h ( 15880) I (945) flash_encrypt: bootloader encrypted successfully I (1021) flash_encrypt: partition table encrypted and loaded successfully I (1022) flash_encrypt: Encrypting partition 1 at offset 0x14000 (length 0x1000)... I (1099) flash_encrypt: Done encrypting I (1100) esp_image: segment 0: paddr=00020020 vaddr=42018020 size=0a39ch ( 41884) map I (1115) esp_image: segment 1: paddr=0002a3c4 vaddr=40800000 size=05c54h ( 23636) I (1123) esp_image: segment 2: paddr=00030020 vaddr=42000020 size=167b0h ( 92080) map I (1153) esp_image: segment 3: paddr=000467d8 vaddr=40805c54 size=01ea8h ( 7848) I (1157) esp_image: segment 4: paddr=00048688 vaddr=40807b00 size=00e84h ( 3716) I (1160) flash_encrypt: Encrypting partition 2 at offset 0x20000 (length 0x100000)... I (20460) flash_encrypt: Done encrypting I (20460) flash_encrypt: Encrypting partition 3 at offset 0x120000 (length 0x1000)... I (20535) flash_encrypt: Done encrypting I (20536) efuse: BURN BLOCK0 I (20538) efuse: BURN BLOCK0 - OK (all write block bits are set) I (20540) flash_encrypt: Flash encryption completed I (20544) boot: Resetting with flash encryption enabled... ------ .. already_en_enc .. code-block:: none rst:0x3 (RTC_SW_HPSYS),boot:0x1f (SPI_FAST_FLASH_BOOT) Core0 Saved PC:0x4083faea SPI mode:DIO, clock div:2 load:0x40845ce0,len:0x2b7c load:0x4083c570,len:0x740 load:0x4083ea70,len:0x3e08 entry 0x4083c5d4 I (45) boot: ESP-IDF v5.4-dev-908-g874388c628-dirty 2nd stage bootloader I (46) boot: compile time Jun 7 2024 13:56:46 I (47) boot: chip revision: v0.0 I (50) boot.esp32c61: SPI Speed : 40MHz I (55) boot.esp32c61: SPI Mode : DIO I (60) boot.esp32c61: SPI Flash Size : 2MB I (65) boot: Enabling RNG early entropy source... I (77) boot: Partition Table: I (81) boot: ## Label Usage Type ST Offset Length I (88) boot: 0 nvs WiFi data 01 02 0000e000 00006000 I (95) boot: 1 storage Unknown data 01 ff 00014000 00001000 I (103) boot: 2 factory factory app 00 00 00020000 00100000 I (110) boot: 3 nvs_key NVS keys 01 04 00120000 00001000 I (118) boot: 4 custom_nvs WiFi data 01 02 00121000 00006000 I (126) boot: End of partition table I (130) esp_image: segment 0: paddr=00020020 vaddr=42018020 size=0a39ch ( 41884) map I (162) esp_image: segment 1: paddr=0002a3c4 vaddr=40800000 size=05c54h ( 23636) load I (172) esp_image: segment 2: paddr=00030020 vaddr=42000020 size=167b0h ( 92080) map I (207) esp_image: segment 3: paddr=000467d8 vaddr=40805c54 size=01ea8h ( 7848) load I (211) esp_image: segment 4: paddr=00048688 vaddr=40807b00 size=00e84h ( 3716) load I (217) boot: Loaded app from partition at offset 0x20000 I (218) boot: Checking flash encryption... I (223) flash_encrypt: flash encryption is enabled (1 plaintext flashes left) I (231) boot: Disabling RNG early entropy source... I (255) cpu_start: Unicore app I (263) cpu_start: Pro cpu start user code I (268) cpu_start: cpu freq: 40000000 Hz I (272) app_init: Application information: I (277) app_init: Project name: flash_encryption I (283) app_init: App version: v5.4-dev-908-g874388c628-dirty I (290) app_init: Compile time: Jun 7 2024 13:56:41 I (296) app_init: ELF file SHA256: 3e962f7e5... I (301) app_init: ESP-IDF: v5.4-dev-908-g874388c628-dirty I (308) efuse_init: Min chip rev: v0.0 I (313) efuse_init: Max chip rev: v0.99 I (317) efuse_init: Chip rev: v0.0 I (322) heap_init: Initializing. RAM available for dynamic allocation: I (330) heap_init: At 40809890 len 00041160 (260 KiB): RAM I (336) heap_init: At 4084A9F0 len 00004BE0 (18 KiB): RAM I (355) spi_flash: detected chip: generic I (358) spi_flash: flash io: dio W (362) spi_flash: Detected size(4096k) larger than the size in the binary image header(2048k). Using the size in the binary image header. W (376) flash_encrypt: Flash encryption mode is DEVELOPMENT (not secure) I (383) nvs_sec_provider: NVS Encryption - Registering Flash encryption-based scheme... I (393) main_task: Started on CPU0 I (393) main_task: Calling app_main() Example to check Flash Encryption status This is esp32c61 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 ------