Editing Talk:HDD Encryption

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= ATA keys with openssl =
<pre>
$ hexdump -C ata_data_key_seed
00000000  d9 2d 65 db 05 7d 49 e1  a6 6f 22 74 b8 ba c5 08  |.-e..}I..o"t....|
00000010  83 84 4e d7 56 ca 79 51  63 62 ea 8a da c6 03 26  |..N.V.yQcb.....&|
$ hexdump -C ata_tweak_key_seed
00000000  c3 b3 b5 aa cc 74 cd 6a  48 ef ab f4 4d cd f1 6e  |.....t.jH...M..n|
00000010  37 9f 55 f5 77 7d 09 fb  ee de 07 05 8e 94 be 08  |7.U.w}..........|
$ eid_root_key="...your eid root key as hex string..."
$ eid_root_iv="...your eid root iv as hex string..."
$ openssl aes-256-cbc -e -in ata_data_key_seed -out ata_data_key -K $eid_root_key -iv $eid_root_iv -nopad -nosalt
$ openssl aes-256-cbc -e -in ata_tweak_key_seed -out ata_tweak_key -K $eid_root_key -iv $eid_root_iv -nopad -nosalt
$ echo `xxd -p -u -c 32 -l16 ata_data_key` `xxd -p -u -c 32 -l16 ata_tweak_key` | xxd -r -p > hdd_key.bin
</pre>
= ENCDEC keys with openssl =
<pre>
$ hexdump -C encdec_data_key_seed
00000000  e2 d0 5d 40 71 94 5b 01  c3 6d 51 51 e8 8c b8 33  |..]@q.[..mQQ...3|
00000010  4a aa 29 80 81 d8 c4 4f  18 5d c6 60 ed 57 56 86  |J.)....O.].`.WV.|
$ hexdump -C encdec_tweak_key_seed
00000000  02 08 32 92 c3 05 d5 38  bc 50 e6 99 71 0c 0a 3e  |..2....8.P..q..>|
00000010  55 f5 1c ba a5 35 a3 80  30 b6 7f 79 c9 05 bd a3  |U....5..0..y....|
$ eid_root_key="...your eid root key as hex string..."
$ eid_root_iv="...your eid root iv as hex string..."
$ openssl aes-256-cbc -e -in encdec_data_key_seed -out encdec_data_key -K $eid_root_key -iv $eid_root_iv -nopad -nosalt
$ openssl aes-256-cbc -e -in encdec_tweak_key_seed -out encdec_tweak_key -K $eid_root_key -iv $eid_root_iv -nopad -nosalt
$ echo `xxd -p -u -c 32 -l16 encdec_data_key` `xxd -p -u -c 32 -l16 encdec_tweak_key` | xxd -r -p > vflash_key.bin
</pre>
= Getting keys the easier way =
= Getting keys the easier way =
First you need to get the sb_iso_spu_module.self individuals seed that can be found in the metadata header:
First you need to get the sb_iso_spu_module.self individuals seed that can be found in the metadata header:
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! Chunk !! Offset !! Length !! Example !! Description !! Notes
! Chunk !! Offset !! Length !! Example !! Description !! Notes
|-
|-
| rowspan="6" | 1 || 0x0 || 0x10 || A2A0D0EBE5B9334487C068B6B72699C7 ||  || '''partitions common key''' ?
| rowspan="6" | 1 || 0x0 || 0x10 || A2A0D0EBE5B9334487C068B6B72699C7 ||  || '''partition1 key1''' ? (same for all partitions in the list)
|-
|-
| 0x10 || 0x10 || DA7BD0E6BE941449B84EDE147F9705BA ||  || '''partition1 key''' ?
| 0x10 || 0x10 || DA7BD0E6BE941449B84EDE147F9705BA ||  || '''partition1 key2''' ?
|-
|-
| 0x20 || 0x8 || 2200000000000000 || '''partition1 start sector''' || in big endian: 22
| 0x20 || 0x8 || 2200000000000000 || '''partition1 start sector offset''' || in big endian: 22
|-
|-
| 0x28 || 0x8 || E5513C0000000000 || '''partition1 end sector''' || in big endian: 3C51E5
| 0x28 || 0x8 || E5513C0000000000 || '''partition1 end sector offset''' || in big endian: 3C51E5
|-
|-
| 0x30 || 0x8 || 0000000000000000 || ''not used'' ||  
| 0x30 || 0x8 || 0000000000000000 || ''not used'' ||  
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| 0x38 || 0x48 || p r i m a r y || '''partition type''' || ''identifyer'' ?
| 0x38 || 0x48 || p r i m a r y || '''partition type''' || ''identifyer'' ?
|-
|-
| rowspan="6" | 2 || 0x80 || 0x10 || A2A0D0EBE5B9334487C068B6B72699C7 ||  || '''partitions common key''' ?
| rowspan="6" | 2 || 0x80 || 0x10 || A2A0D0EBE5B9334487C068B6B72699C7 ||  || '''partition2 key1''' ? (same for all partitions in the list)
|-
|-
| 0x90 || 0x10 || FB2718C324FC9947907A18267C30F0FE ||  || '''partition2 key''' ?
| 0x90 || 0x10 || FB2718C324FC9947907A18267C30F0FE ||  || '''partition2 key2''' ?
|-
|-
| 0xA0 || 0x8 || 00583C0000000000 || '''partition2 start sector''' || in big endian: 3C5800
| 0xA0 || 0x8 || 00583C0000000000 || '''partition2 start sector offset''' || in big endian: 3C5800
|-
|-
| 0xA8 || 0x8 || FF37B60000000000 || '''partition2 end sector''' || in big endian: B637FF
| 0xA8 || 0x8 || FF37B60000000000 || '''partition2 end sector offset''' || in big endian: B637FF
|-
|-
| 0xB0 || 0x8 || 0000000000000000 || ''not used'' ||  
| 0xB0 || 0x8 || 0000000000000000 || ''not used'' ||  
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*Notes
*Notes
**divided in 4 chunks of 0x80 each
**divided in 4 chunks of 0x80 each
**values in the column "offsets" in the table are relative to the sector start
**offsets are relative to the sector start
**partition start and end sectors are stored in little endian
**offsets are stored in little endian
**first 0x10 and second 0x10 bytes could be related to this [http://www.psdevwiki.com/ps3/Communication_Processor#De.2FEncrypt_Communication_Processor_updates (IV/HASH Note)}]
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