Patch data.pkg

It seems follow same .spkg_hdr.1 file scheme: Spkg_hdr.tar, Signed Firmware Package headers

Info

[*] Warning: Could not decrypt header.
[*] SCE Header:
 Magic           0x53434500 [OK]
 Version         0x00000002
 Key Revision    0x0000
 Header Type     [PKG]
 Metadata Offset 0x00000000
 Header Length   0x0000000000000280
 Data Length     0x000000000000D524

We can't decrypt/unpkg this one, but as reference UPL.xml.pkg yes, and data after SCE Header is info0 + info1, from 0x300 should be content

patch_data.pkg

Offset(h) 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F 00000000 53 43 45 00 00 00 00 02 00 00 00 03 00 00 00 00 |SCE.............| 00000010 00 00 00 00 00 00 02 80 00 00 00 00 00 00 d5 24 |...............$| 00000020 - 0000027F Signed Header data 00000280 00 00 00 03 00 00 00 03 00 00 00 00 00 00 00 00 |................| data as extracted as info0 from UPL.xml.pkg 00000290 20 14 06 19 01 16 08 00 00 00 00 00 00 00 d4 a4 | ...............| build date 2014_0619, release was 2014_0624 000002a0 00 00 00 00 00 00 1a 5a 00 00 00 00 00 00 00 00 |.......Z........| 000002b0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................| 000002c0 00 00 00 00 00 00 00 03 00 00 00 00 00 00 00 40 |...............@| data as extracted as info1 from UPL.xml.pkg 000002d0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 d4 a4 |................| 000002e0 00 00 00 00 00 00 00 01 00 00 00 00 00 00 00 01 |................| 000002f0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................| 00000300 d7 58 49 9b 39 3f 11 47 6a 26 1e eb 1f 01 dd 92 |.XI.9?.Gj&......| data restart

structure

Address	Length	Value	Description
0x0	0x4	0x53434500 / ASCII:SCE.	Magic Header
0x4	0x4	0x2	Version
0x8	0x2	0x0	SDK type?
0x8	0x4	0x3	SCE header type; pkg
0xC	0x4	0x0	Meta offset
0x10	0x8	0x280	Size of sce_shdr + sizeof meta_shdr
0x18	0x8	0x1E0110	content_size_real