Editing Patch data.pkg

==== Info ====
It seems follow same .spkg_hdr.1 file scheme: [[Spkg_hdr.tar|Spkg_hdr.tar, Signed Firmware Package headers]]

Just a simple SCE pkg file. For decrypt it we need to use spkg keyset (for 3.56+ firmwares) or pkg keyset (for 3.55 or lower firmwares)

Sample from 4.60 CEX FW
[http://pastie.org/private/ycka0sxjqq9ncjj5yhbrtq Command line for scetool]

<pre>
[*] SCE Header:
 Magic           0x53434500 [OK]
 Version         0x00000002
 Key Revision    0x0000
 Header Type     [PKG]
 Metadata Offset 0x00000000
 Header Length   0x0000000000000280
 Data Length     0x000000000000D524
[*] Metadata Info:
 Key BC DF A9 96 C4 81 E6 47 A4 B0 0B F7 9B DC 73 F0
 IV  D4 3D 82 EB 79 CA BD FB 71 60 1B C5 A2 2B 7C 1D
[*] Metadata Header:
 Signature Input Length 0x0000000000000250
 unknown_0              0x00000001
 Section Count          0x00000003
 Key Count              0x00000014
 Optional Header Size   0x00000000
 unknown_1              0x00000000
 unknown_2              0x00000000
[*] Metadata Section Headers:
 Idx Offset   Size     Type Index Hashed SHA1 Encrypted Key IV Compressed
 000 00000280 00000040 01   01    [YES]  00   [NO ]     --  -- [NO ]
 001 000002C0 00000040 02   02    [YES]  06   [NO ]     --  -- [NO ]
 002 00000300 00001A5A 03   03    [YES]  0C   [YES]     12  13 [YES]
[*] SCE File Keys:
 00: F4 B8 0E C5 7A A5 52 86 AB 25 62 F1 BF E8 23 45
 01: AB 27 25 5A 00 00 00 00 00 00 00 00 00 00 00 00
 02: 66 EB A0 01 2B ED 69 08 CE AC 7F B2 AB DC 36 38
 03: 8D C1 32 2E E7 A4 C2 C8 DD 04 A7 84 17 F6 6E DA
 04: 85 04 BD 8F D2 CB CA A0 D2 24 0F F7 4D A8 90 57
 05: 93 A4 C6 70 F0 E4 45 49 A3 11 65 68 2B 0D 04 BC
 06: C3 C0 EB 05 FF A2 96 AC C7 B7 3E 46 96 E4 87 C3
 07: B4 64 B1 68 00 00 00 00 00 00 00 00 00 00 00 00
 08: 66 EB A0 01 2B ED 69 08 CE AC 7F B2 AB DC 36 38
 09: 8D C1 32 2E E7 A4 C2 C8 DD 04 A7 84 17 F6 6E DA
 0A: 85 04 BD 8F D2 CB CA A0 D2 24 0F F7 4D A8 90 57
 0B: 93 A4 C6 70 F0 E4 45 49 A3 11 65 68 2B 0D 04 BC
 0C: 48 A2 38 B1 B9 3D 56 35 31 1A 7E 5C 47 2A A3 DF
 0D: 66 62 F8 0D 00 00 00 00 00 00 00 00 00 00 00 00
 0E: 66 EB A0 01 2B ED 69 08 CE AC 7F B2 AB DC 36 38
 0F: 8D C1 32 2E E7 A4 C2 C8 DD 04 A7 84 17 F6 6E DA
 10: 85 04 BD 8F D2 CB CA A0 D2 24 0F F7 4D A8 90 57
 11: 93 A4 C6 70 F0 E4 45 49 A3 11 65 68 2B 0D 04 BC
 12: 0D 5D 1C 85 2B CC E9 75 2B 01 DB 75 A9 0E 62 07
 13: A5 C7 5E 6D 4F DE 8C 27 CA EF 13 73 00 00 00 00

</pre>