Editing HDD Encryption
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=Introduction= | =Introduction= | ||
* The following information was reverse | * The following information was reverse enginered from LV1, Storage Manager in LPAR1 and sb_iso_spu_module.self. | ||
=HDD Encryption= | =HDD Encryption= | ||
* XTS-AES-128 is used to encrypt all data on PS3 HDD. | * XTS-AES-128 is used to encrypt all data on PS3 HDD. | ||
* VFLASH is encrypted twice. First with ENCDEC keys and then with ATA keys. | * VFLASH is encrypted twice. First with ENCDEC keys and then with ATA keys. | ||
* Tweak and data XTS keys are of size 32 bytes but only the first 16 bytes are used. | * Tweak and data XTS keys are of size 32 bytes but only the first 16 bytes are used. | ||
=Dumping ATA Keys= | =Dumping ATA Keys= | ||
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* I modified sb_iso_spu_module.self to dump ATA keys. | * I modified sb_iso_spu_module.self to dump ATA keys. | ||
* ATA keys are passed as parameters to sb_iso_spu_module.self. | * ATA keys are passed as parameters to sb_iso_spu_module.self. | ||
==Program== | ==Program== | ||
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bi $lr | bi $lr | ||
</pre> | </pre> | ||
==Result== | ==Result== | ||
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Tweak key is at offset 0x40 (32 bytes) | Tweak key is at offset 0x40 (32 bytes) | ||
... | ... | ||
</pre> | </pre> | ||
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* VFLASH is encrypted twice. First with ENCDEC keys and then with ATA keys. | * VFLASH is encrypted twice. First with ENCDEC keys and then with ATA keys. | ||
* You cannot dump ENCDEC keys with sb_iso_spu_module.self. They are set in lv1ldr only | * You cannot dump ENCDEC keys with sb_iso_spu_module.self. They are set in lv1ldr only. | ||
* I used a modified lv1ldr with my Linux spuldrfs driver and dumped ENCDEC keys. | * I used a modified lv1ldr with my Linux spuldrfs driver and dumped ENCDEC keys. | ||
* XTS-AES-128 with 128bit tweak key and 128bit data key, just like ATA keys. | * XTS-AES-128 with 128bit tweak key and 128bit data key, just like ATA keys. | ||
==Program== | ==Program== | ||
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bi $lr | bi $lr | ||
</pre> | </pre> | ||
==Result== | ==Result== | ||
* Test run with spuldrfs | * Test run with spuldrfs | ||
<pre> | <pre> | ||
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... | ... | ||
</pre> | </pre> | ||