The iPhone Wiki is no longer updated. Visit this article on The Apple Wiki for current information. |
Difference between revisions of "IMG4 File Format"
m |
|||
Line 1: | Line 1: | ||
There is a img4 file (sep-firmware.img4) found in IPSWFILE/Firmware/all_flash/all_flash.DEVICEIDENTIFIER.production on any [[A7]] (64bit) devices. It has a IMG40 header, but also refers to IM4P. |
There is a img4 file (sep-firmware.img4) found in IPSWFILE/Firmware/all_flash/all_flash.DEVICEIDENTIFIER.production on any [[A7]] (64bit) devices. It has a IMG40 header, but also refers to IM4P. |
||
+ | |||
+ | The IMG40 structure is as follows: |
||
+ | |||
+ | <pre> |
||
+ | sequence [ |
||
+ | 0: string "IMG40" |
||
+ | 1: string encryption type - IM4P |
||
+ | 2: string type - sepi (Secure Enclave Processor Image), ... |
||
+ | 3: ... |
||
+ | ] |
||
+ | </pre> |
||
+ | |||
{{stub|software}} |
{{stub|software}} |
Revision as of 12:38, 26 December 2013
There is a img4 file (sep-firmware.img4) found in IPSWFILE/Firmware/all_flash/all_flash.DEVICEIDENTIFIER.production on any A7 (64bit) devices. It has a IMG40 header, but also refers to IM4P.
The IMG40 structure is as follows:
sequence [ 0: string "IMG40" 1: string encryption type - IM4P 2: string type - sepi (Secure Enclave Processor Image), ... 3: ... ]
This software article is a "stub", an incomplete page. Please add more content to this article and remove this tag. |