Editing IdStorage
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Region of the Vita where perconsole info is stored.<br> | |||
Currently 128 leafs exist. Some are empty, others are unique, and there are others which are duplicated.<br> | |||
Obtained with <code> "SceIdStorage", 0xe1ac6d7c, 0xeb00c509 | function ksceIdStorageReadLeaf(int leafnum, int buf, int unk0) </code> <br> | |||
Buf size is 0x200 (512) and maximum leaf number is 0x80 (128). | |||
= Table of leafs = | |||
{| class="wikitable" | |||
|- | |||
! Index (Range) !! Empty ? !! Unique? !! Notes | |||
|- | |||
| 00 || No || No || 0x20 is equal to 0x00 | |||
|- | |||
| 01 || No || No || 0x21 is equal to 0x01 | |||
|- | |||
| 02 || No || No || 0x22 is equal to 0x02 | |||
|- | |||
| 03 || No || No || 0x23 is equal to 0x03 | |||
|- | |||
| 04 || No || No || 0x24 is equal to 0x04 | |||
|- | |||
| 05 || No || No || 0x25 is equal to 0x05 | |||
|- | |||
| 06 || No || No || 0x26 is equal to 0x06 | |||
|- | |||
| 07 || No || No || 0x27 is equal to 0x07 | |||
|- | |||
| 08->1F || Yes || No || | |||
|- | |||
| 28->3F || Yes || No || | |||
|- | |||
| 40 || No || Yes || | |||
|- | |||
| 41 || No || Yes || | |||
|- | |||
| 42 || No || Yes || | |||
|- | |||
| 43 || No || Yes || | |||
|- | |||
| 44 || No || Yes || | |||
|- | |||
| 45 || No || Yes || | |||
|- | |||
| 46 || No || Yes || | |||
|- | |||
| 47 || No || Yes || | |||
|- | |||
| 48 || No || Yes || | |||
|- | |||
| 49 || No || Yes || | |||
|- | |||
| 4A || No || Yes || | |||
|- | |||
| 4B->7D || Yes || No || | |||
|- | |||
| 7E || No || Yes || | |||
|- | |||
| 7F || Yes || No || | |||
|- | |||
| 80 || No || Yes || Special Leaf with header SMI | |||
|- | |||
|} | |||
= Sections = | |||
* Some of the leafs contain sections similar in PSP and PS3 consoles. Here is the description of one section, sumarized: | |||
{|class="wikitable" | |||
|- | |||
! Description !! Length !! Note | |||
|- | |||
| Data || 0x10 || contains the actual data of the file (either idps or psid) | |||
|- | |||
| plaintext public key || 0x28 || contains the section's public key (without padding) | |||
|- | |||
| R || 0x14 || part of the ecdsa signature pair (r,s) | |||
|- | |||
| S || 0x14 || part of the ecdsa signature pair (r,s) | |||
|- | |||
| public key || 0x28 || ecdsa public key (unknown what this is doing here) | |||
|- | |||
| encrypted private key || 0x20 || encrypted blob that contains the section's private key (with padding) | |||
|- | |||
| omac/cmac1 || 0x10 || hash of the previous information in CMAC1/OMAC mode | |||
|- | |||
|} | |||
* No padding in PSP and PSVita Sections ! | |||
* Some sections aditionally contain 0x30 random bytes! | |||
* Section 0x80 (SMI) contains minver at offset 0x08-0x0B (size 4 bytes, endian-swapped) |