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Added ESP32 image and partition entry signatures #533

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Added ESP32 image and partition entry signatures #533

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69 changes: 69 additions & 0 deletions src/binwalk/magic/firmware
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Original file line number Diff line number Diff line change
Expand Up @@ -988,4 +988,73 @@
>(28.L+36+15) belong x file_size: %d,
>(28.L+36+15+4) belong x

# ESP32 Image Format
# https://github.com/espressif/esp-idf
0 ubyte 0xe9 ESP Image
>11 ushort 0x0000 (ESP32):
>11 ushort 0x0002 (ESP3252):
>11 ushort >0x0002 {invalid}
>1 ubyte <16 segment count: %d,
>1 ubyte >16 {invalid}
>2 ubyte >5 {invalid}
>2 ubyte 0 flash mode: QUIO,
>2 ubyte 1 flash mode: QUOUT,
>2 ubyte 2 flash mode: DIO,
>2 ubyte 3 flash mode: DOUT,
>2 ubyte 4 flash mode: FAST_READ,
>2 ubyte 5 flash mode: SLOW_READ,
>3 ubyte&0xf 0x0 flash speed: 40MHz,
>3 ubyte&0xf 0x1 flash speed: 26MHz,
>3 ubyte&0xf 0x2 flash speed: 20MHz,
>3 ubyte&0xf 0xf flash speed: 80MHz,
>3 ubyte>>4 0 flash size: 1MB,
>3 ubyte>>4 1 flash size: 2MB,
>3 ubyte>>4 2 flash size: 4MB,
>3 ubyte>>4 3 flash size: 8MB,
>3 ubyte>>4 4 flash size: 16MB,
>3 ubyte>>4 5 flash size: MAX,
>3 ubyte>>4 >5 {invalid}
>4 ulelong x entry address: 0x%x


# ESP32 Partition Table Entry
# https://github.com/espressif/esp-idf
0 uleshort 0x50aa ESP32 Partition Table Entry:
>12 string x label: "%s",
>2 ubyte 0 type: APP,
>2 ubyte 1 type: DATA,
>2 ubyte >1 {invalid}
>3 ubyte 0x00 subtype: Factory/OTA DATA,
>3 ubyte 0x01 subtype: PHY/RF,
>3 ubyte 0x02 subtype: NVS,
>3 ubyte 0x03 subtype: Coredump,
>3 ubyte 0x04 subtype: NVS Keys,
>3 ubyte 0x05 subtype: eFuse,
>3 ubyte 0x10 subtype: OTA 0,
>3 ubyte 0x11 subtype: OTA 1,
>3 ubyte 0x12 subtype: OTA 2,
>3 ubyte 0x13 subtype: OTA 3,
>3 ubyte 0x14 subtype: OTA 4,
>3 ubyte 0x15 subtype: OTA 5,
>3 ubyte 0x16 subtype: OTA 6,
>3 ubyte 0x17 subtype: OTA 7,
>3 ubyte 0x18 subtype: OTA 8,
>3 ubyte 0x19 subtype: OTA 9,
>3 ubyte 0x1a subtype: OTA 10,
>3 ubyte 0x1b subtype: OTA 11,
>3 ubyte 0x1c subtype: OTA 12,
>3 ubyte 0x1d subtype: OTA 13,
>3 ubyte 0x1e subtype: OTA 14,
>3 ubyte 0x1f subtype: OTA 15,
>3 ubyte 0x20 subtype: TEST/OTA 16,
>3 ubyte 0x80 subtype: ESPHTTP,
>3 ubyte 0x81 subtype: FAT,
>3 ubyte 0x82 subtype: SPIFFS,
>3 ubyte >0x82 {invalid}
>4 ulelong x offset: 0x%x,
>8 ulelong x size: 0x%x,
# only one flag appears to be defined
>24 ulelong 0 flags: 0x%x (not encrypted)
>24 ulelong 1 flags: 0x%x (encrypted)
>24 ulelong >1 {invalid}