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Difference between revisions of "IMG4 File Format"
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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. |
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| + | The IMG40 structure is as follows: |
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| + | <pre> |
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| + | sequence [ |
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| + | 0: string "IMG40" |
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| + | 1: string encryption type - IM4P |
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| + | 2: string type - sepi (Secure Enclave Processor Image), ... |
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| + | 3: ... |
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| + | ] |
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| + | </pre> |
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| + | |||
{{stub|software}} |
{{stub|software}} |
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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: ... ]
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This software article is a "stub", an incomplete page. Please add more content to this article and remove this tag. |
